BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIPAL TRUST
N-30D, 1998-12-30
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- --------------------------------------------------------------------------------
            THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIPAL TRUST
                         ANNUAL REPORT TO SHAREHOLDERS
                          REPORT OF INVESTMENT ADVISER
- --------------------------------------------------------------------------------
                                                               November 30, 1998








Dear Shareholders:



     Over  the  past  twelve months, U.S. Treasury securities have experienced a
strong  rally,  as  investors sought a safe haven from global market turmoil and
the  Federal  Reserve  continued  to  cut  interest rates. Other segments of the
fixed  income  market have lagged behind Treasuries, but still produced positive
returns  since  our  last  report.  We  anticipate that the Federal Reserve will
remain  prepared  to  combat  any signs of a credit crunch through interest rate
cuts,  and  given the unstable economic situation in Brazil, the Fed likely will
retain a loosening bias.

     Despite  previous  worries  of  a  second  half  slowdown in 1998, the U.S.
economy  continues  to  expand  rapidly.  Third  quarter  GDP  registered a 3.3%
annualized  growth  rate,  supported by strong consumer spending. This momentum,
however,  may  not  continue  as  briskly  into  the  new  year, based on weaker
corporate  profits  and  a  loosening  of  the  labor  markets.  Already,  major
corporations have warned of slower profit growth and announced major layoffs.

     This  report  contains  detailed  market  and  portfolio  strategy  by your
Trust's  managers  in addition to the Trust's audited financial statements and a
detailed  portfolio  list  of  the  portfolio's  holdings. We thank you for your
continued  investment  in  the Trust and look forward to serving your investment
needs in the future.



Sincerely,


/s/ Laurence D. Fink  /s/ Ralph L. Schlosstein
- ------------------    ------------------------


Laurence D. Fink      Ralph L. Schlosstein
Chairman              President

 

                                       1


<PAGE>

                                                              November 30, 1998




Dear Shareholder:

     We  are  pleased  to  present  the  annual report for The BlackRock Florida
Investment  Quality  Municipal  Trust  ("the  Trust")  for the fiscal year ended
October  31,  1998. We would like to take this opportunity to review the Trust's
stock   price   and   net   asset  value  (NAV)  performance,  summarize  market
developments and discuss recent portfolio management activity.

     The  Trust  is  a  non-diversified,  actively  managed closed-end bond fund
whose  shares  are traded on the American Stock Exchange under the symbol "RFA".
The  Trust's  investment  objective  is  to  provide high current income that is
exempt  from  both  regular  federal  income tax and Florida intangible personal
property  tax  consistent  with  the preservation of capital. The Trust seeks to
achieve  this  objective  by investing in investment grade (rated "AAA" to "BBB"
by  a  major  rating  agency or of equivalent quality) municipal debt securities
issued by local municipalities throughout Florida.

     The  table  below summarizes the performance of the Trust's stock price and
net asset value (the market value of its bonds per share) over the past year:



                       ------------------------------------------------
<TABLE>
<CAPTION>
                           10/31/98      10/31/97      CHANGE       HIGH         LOW
<S>                      <C>          <C>           <C>         <C>         <C>
 STOCK PRICE             $ 15.125      $ 13.3125    13.62%      $ 15.94     $ 13.3125
 NET ASSET VALUE (NAV)   $ 15.69      $ 14.86        5.59%      $ 15.94     $ 14.77
</TABLE>

THE FIXED INCOME MARKETS

     The  first  half  of  the  Trust's  fiscal  year  was  characterized by the
positive  momentum  and  bull  market trend that brought Treasury yields towards
historic  lows.  The  low Treasury yields were due to budget surplus projections
as  well  as  the  Fed's decision to move from a tightening to a neutral policy.
The  positive economic momentum throughout the first half of the fiscal year was
strengthened  by  unseasonably  warm  weather  that  led  to  increased consumer
spending  and job gains, and a less than expected impact on trade from the Asian
financial crisis.

     GDP  growth  measured  at  a  very strong 5% for the first quarter of 1998;
however,  signs  of  a  slowdown became evident when economic data for April and
May began to lag.

     The   second   half   of   the  trust's  fiscal  year  witnessed  virtually
unparalleled  market  turbulence.  During the second quarter of 1998, GDP growth
faltered  to  a  1.8%  rate due to slower output and an increasing trade deficit
created  by  a  strong  U.S. dollar. Although consumers continued their spending
domestically,  demand  for  U.S. goods abroad faltered, as the strong dollar and
weakness  overseas, especially Asia, drove prices for U.S. goods higher relative
to foreign goods.

     In  the  Trust's  final  quarter, U.S. GDP growth rebounded to a 3.3% pace;
however,  the  instability  in global financial markets began to rattle investor
confidence.  The  devaluation  of  the  Russian ruble and the fear of a possible
devaluation  of  the  Brazilian  currency  caused  a  flight-to-quality  to U.S.
Treasuries.  Spread sectors widened dramatically as a result of the sell-off. In
addition,  the  global  financial  markets  witnessed a credit crunch where even
higher-grade   securities   were  affected.  This  dramatic  shift  of  investor
sentiment culminated in the near collapse of a prominent hedge fund.


                                       2


<PAGE>

     The  Treasury  market rally pushed Treasury yields to historic levels below
the  5%  barrier.  In  response  to the financial fragility in the third quarter
1998,  the  Fed eased interest rates on September 29, 1998 by 25bps and again on
October  15,  in an unusual between-meetings move. On November 17, the Fed eased
interest rates again by 25bps.

     The  municipal bond market, represented by the Lehman Municipal Bond Index,
posted  a  total return of 8.03% for the 12 month period ended October 31, 1998,
a  taxable  equivalent  return  of 11.52% for an individual in the 39.6% Federal
Tax  Income  bracket, outperforming the domestic taxable investment grade market
(measured  by  the  Lehman  Aggregate  Index),  which returned 9.33%. Currently,
municipal  securities  are  at their most attractive valuation versus Treasuries
in  over  a  decade.  The overwhelming factor that has driven municipals to this
relationship  has been enormous new issuance supply. In the first three quarters
of  1998,  new  issue  volume totaled $214 billion, a 37% increase over the same
period  last  year.  However,  the  rapid decline in Treasury interest rates has
actually  begun  to  reduce  the pace of new issue volume, as savings associated
with  refunding  deals  become increasingly negligible due to a technical factor
called  "negative  arbitrage".  This  reduction  in  supply  when  coupled  with
attractive  valuations  versus  Treasuries sets the municipal market up with the
opportunity for significant total return performance going forward.

     Florida  has  experienced  rapid  population growth, since mid-century, far
exceeding  that of the nation. This has shaped its socioeconomic profile. During
the  present  decade,  the  State's  population  has  grown  14% to a peak of 15
million  residents.  Today  59%  of the population is working age (age18-64) and
nearly  all  are  employed  as  Florida's  unemployment  rate has remained below
national  levels  since 1994 and is expected to average 4.5% for 1998, mirroring
that  of  the nation. Trade and service sector jobs account for 61% of Florida's
non-farm  workforce,  (1997)  and  this  is expected to continue. The 47 million
tourists  visiting  Florida  in  1997  helped  to support to the State's service
dependent  economy; over 50 million visitors are expected next year. Residential
construction  has  recovered from the downturn earlier in this decade and is now
projected to grow into the millenium.

     This  growing and vibrant economy fuels the State's strong fiscal position.
Florida  ended  FY1998  with  reserve  funds  of  over  $1.4  billion or 7.7% of
revenues;  the rainy day fund will be fully funded at 5% of revenues, in FY1999.
Tax  receipts  are  the largest source of income and the sales tax accounted for
70%  of  total  taxes  received.  Positive  revenue  trends combined with strong
financial management will continue to maintain Florida's fiscal viability.


THE TRUST'S PORTFOLIO AND INVESTMENT STRATEGY

     The  Trust's portfolio is managed to diversify exposure to various sectors,
issuers,  revenue  sources  and  security types. BlackRock's investment strategy
emphasizes  a relative value approach, which allows the Trust to capitalize upon
changing market conditions by rotating municipal sectors, credits and coupons.

     Additionally,  the  Trust employs leverage at about 35% of total net assets
to  enhance  its income by borrowing at short term municipal rates and investing
the  proceeds  in longer maturity issues which have higher yields. The degree to
which  the  Trust can benefit from its use of leverage may affect its ability to
pay  high  monthly  income.  Over  the  past  twelve months, the Federal Reserve
loosened  monetary  policy  by  lowering short term rates by 25bps in September,
October  and  again  in November to 4.75%. Typically, short term municipal rates
(which  determine the Trust's borrowing costs) are approximately 65% of Treasury
rates.  Accordingly  the  Trust's  cost of leverage decreased as a result of the
Fed's Action.

     The  main  portfolio  management  theme in the Trust over the past year has
been  to  take  advantage  of  narrowing credit spreads between higher and lower
rated  bonds.  To  this  end,  the  Trust has sold lower rated credits (BBB- and
A-rated  issues)  in  favor  of  higher  rated (AA and AAA). Historically, lower
rated  bonds  yield significantly more than higher rated bonds to compensate the
investor  for  taking  on  a  higher probability of default. Over the past year,
this  yield  advantage  has  narrowed  to  levels  that  we  believe  do not pay
investors  enough  to  purchase  lower  credits.  The Trust's holdings currently
emphasize  high  credit non-callable and callable premiums in the 10- to 15-year
maturity  range.  Prevailing municipal market conditions do not reward investors
for extending beyond this maturity range.


                                       3


<PAGE>

   The  following  charts compare the Trust's current and October 31, 1997 asset
                                 composition and credit quality allocations:



                               SECTOR BREAKDOWN



 SECTOR               OCTOBER 31, 1998     OCTOBER 31, 1997
  Lease Revenue           19%                       11%
  Power                   17%                       17%
  Transportation          17%                       16%
  City, County & State    13%                        8%
  School                  12%                       12%
  Sales Tax                6%                        6%
  Water & Sewer            5%                        4%
  Hospital                 4%                        4%
  University               4%                        4%
  Housing                  3%                        4%
  Miscellaneous Revenue   --                         4%
  Building                --                         4%
  Special tax             --                         4%
  Other                   --                         2%



 STANDARD & POOR'S/MOODY'S/FITCH'S
           CREDIT RATING            OCTOBER 31, 1998   OCTOBER 31, 1997
  AAA/Aaa                                 54%                53%
  AA/Aa                                   17%                16%
  A/A                                     16%                18%
  BBB/Baa                                 13%                13%


     We  look  forward  to  continuing  to  manage the Trust to benefit from the
opportunities  available  to investors in the investment grade municipal market.
We  thank  you  for  your  investment  and  continued  interest in The BlackRock
Florida  Investment  Quality  Municipal  Trust.  Please  feel  free  to call our
marketing  center  at  (800)  227-7BFM (7236) if you have any specific questions
which were not addressed in this report.








Sincerely,


/s/ ROBERT KAPITO                      /s/ KEVIN KLINGERT
- -----------------                      ------------------


Robert Kapito                          Kevin Klingert
Vice Chairman and Portfolio Manager    Managing Director and Portfolio Manager
BlackRock Financial Management, Inc.   BlackRock Financial Management, Inc.



                                       4


<PAGE>


             THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIPAL TRUST
  Symbol on American Stock Exchange:                             RFA
  Initial Offering Date:                                      May 28, 1993
  Closing Stock Price as of 10/31/98:                         $ 15.125
  Net Asset Value as of 10/31/98:                             $ 15.69
  Yield on Closing Stock Price as of 10/31/98 ($15.125)1:         5.26%
  Current Monthly Distribution per Share2:                    $  0.0663
  Current Annualized Distribution per Share2:                 $  0.7956


1Yield  on  Closing Stock Price is calculated by dividing the current annualized
 distribution per share by the closing stock price per share.

2The distribution is not constant and is subject to change.

                                       5


<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIPAL TRUST
PORTFOLIO OF INVESTMENTS OCTOBER 31, 1998
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
               PRINCIPAL  
   RATING*       AMOUNT   
 (UNAUDITED)     (000)    
============= ===========
<S>           <C>
 
 
 AAA            $   170
 AAA                830
 A1               1,000
 AAA              1,000
 AAA              1,000
 AAA              1,000
 AAA              1,000
 AAA              1,000
 AAA              1,000
 AAA                775
 AA+              1,000
 Aa2              1,000
 AAA                500
 AA+              1,000
 AAA              1,000
 AAA              1,000
 AAA              1,000
 Aa2              1,000
 A-               1,000
 AAA              1,000
 AAA              1,000
 Baa2             1,000
 
 
 
 Baa1             1,000
 BBB+             1,000
 
 A                1,000
 A                1,000
 
 



<CAPTION>
             PRINCIPA                                                                                   OPTION CALL
   RATING*     AMOUNT                                                                                   PROVISIONS+        VALUE
 (UNAUDITED)   (000)                                    DESCRIPTION                                     (UNAUDITED)      (NOTE 1)
===================== =============================================================================== =============== ==============
<S>          <C>      <C>                                                                             <C>             <C>
                      LONG-TERM INVESTMENTS-144.1%
                      FLORIDA-119.7%
              $   170 Boynton Beach Util. Sys. Rev., FGIC,
 AAA              830  6.25%, 11/01/20, ETM .........................................................  No Opt. Call    $    199,201
 AAA            1,000  6.25%, 11/01/20 ..............................................................  11/02 at 102         903,430
 A1             1,000 Brevard Cnty. Hlth. Fac., Holmes Regl. Med. Ctr., 5.75%, 10/01/13 .............  10/03 at 102       1,051,000
 AAA            1,000 Brevard Cnty. Sch. Brd., C.O.P., Ser. B, 5.50%, 7/01/21, AMBAC ................   7/06 at 102       1,043,630
 AAA            1,000 Collier Cnty. Sch. Brd., C.O.P., 5.00%, 2/15/16, FSA ..........................   2/06 at 101       1,002,040
 AAA            1,000 Dade Cnty. Aviation Rev., Miami Int'l Arpt., Ser. C, 5.75%, 10/01/25, MBIA.....  10/05 at 102       1,081,950
 AAA            1,000 Dade Cnty. Sch. Brd., C.O.P., Ser A., 6.00%, 5/01/04, MBIA ....................   5/04 at 101       1,111,000
 AAA            1,000 Dade Cnty. Spl. Oblig., Ser. B, Zero Coupon, 10/01/08, AMBAC++ ................       N/A             473,920
 AAA              775 First Florida Gov. Fin. Comn. Rev., Gainsville, Hollywood & St. Petersburg,
                1,000 5.75%, 7/01/16, AMBAC .........................................................   7/06 at 101       1,081,960
 AAA            1,000 Florida Hsg. Fin. Agcy., Sngl. Fam. Mtge., Ser. A, 6.25%, 7/01/11, GNMA .......   7/04 at 102         828,382
 AA+              500 Florida St. Brd. of Ed., Pub. Ed., Ser. B, 5.875%, 6/01/24 ....................   6/05 at 101       1,078,940
 Aa2            1,000 Florida St. Brd. of Ed., Ser. C, 5.85%, 6/01/18 ...............................   6/03 at 101       1,071,560
 AAA            1,000 Florida St. Dept. of Corrections, C.O.P., Okeechobee Correctional Fac.,
                1,000 6.25%, 3/01/15, AMBAC .........................................................   3/05 at 102         561,365
 AA+            1,000 Florida St. Dept. of Trans., 5.80%, 7/01/21 ...................................   7/05 at 101       1,077,200
 AAA            1,000 Florida St. Div. of Bond Fin. Dept., Gen. Svcs. Rev., Dept. of Environ.
                1,000 Preservation, Ser. A, 5.75%, 7/01/11, AMBAC ...................................   7/05 at 101       1,088,190
 AAA            1,000 Jacksonville Cap. Impvt. Rev., Gator Bowl Project., 5.50%, 10/01/14, AMBAC       10/04 at 101       1,045,580
 AAA            1,000 Lee Cnty. Trans. Fac. Rev., 5.75%, 10/01/22, MBIA .............................  10/05 at 102       1,082,570
 Aa2            1,000 Orlando Utils. Comn. Wtr. & Elec. Rev., Ser. D, 5.50%, 10/01/20 ...............  10/99 at 100       1,007,430
 A-                   Orlando & Orange Cnty. Expwy., 5.95%, 7/01/23 .................................   7/01 at 102       1,028,100
 AAA                  Seminole Cnty. Sch. Brd., C.O.P., Ser. A, 6.125%, 7/01/04, MBIA++ .............       N/A           1,128,010
 AAA                  Sunrise Florida Util. Sys. Rev. Ser. A, 5.75%, 10/1/06, AMBAC++ ...............       N/A           1,124,910
 Baa2           1,000 Volusia Cnty. Ed. Fac. Auth. Rev., 6.125%, 10/15/16 ...........................  10/06 at 102       1,092,860
                1,000                                                                                                  ------------
                                                                                                                         21,163,228
                1,000                                                                                                  ------------
                1,000 PUERTO RICO-24.4%
                      Puerto Rico Elec. Pwr. Auth. Rev.,
 Baa1                  Ser. U, 6.00%, 7/01/14 .......................................................   7/04 at 102       1,083,190
 BBB+                  Ser. T, 6.375%, 7/01/04++ ....................................................       N/A           1,140,590
                      Puerto Rico Pub. Bldg. Auth., Gtd. Pub. Ed. & Hlth. Fac., Ser. M,
 A                     5.50%, 7/01/21 ............................................................... 7/03 at 101.5       1,039,910
 A                     5.75%, 7/01/15 ............................................................... 7/03 at 101.5       1,053,370
                                                                                                                       ------------
                                                                                                                          4,317,060
                                                                                                                       ------------
              Total Long-Term Investments (cost $22,853,182).................................                            25,480,288
                                                                                                                       ------------
</TABLE>


                       See Notes to Financial Statements.
                                       6


<PAGE>

- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
               PRINCIPAL
   RATING*      AMOUNT                                                                                       VALUE
 (UNAUDITED)     (000)                                     DESCRIPTION                                      (NOTE 1)
============= ========== ============================================================================== ===============
<S>           <C>        <C>                                                                            <C>
                         SHORT-TERM INVESTMENTS**-1.7%
 A1+          $300       Hillsborough Cnty. Ind. Dev. Auth., Poll. Ctrl. Rev., Tampa Elec. Co., Gannon,
                         3.70%, 11/02/98, FRDD (cost $300,000).........................................  $    300,000
                                                                                                         ------------
 
 
                         TOTAL INVESTMENTS-145.8% (COST $23,153,182) ..................................    25,780,288
                         Other assets in excess of liabilities-(2.3)% .................................       403,994
                         Liquidation value of preferred stock-(48.1)% .................................    (8,500,000)
                                                                                                         ------------
                         Net Assets Applicable to Common Shareholders-100% ............................  $ 17,684,282
                                                                                                         ============
</TABLE>

- ----------
 * Rating: using the higher of Standard & Poor's, Moody's or Fitch's rating.
** For  purposes  of  amortized  cost  valuation,  the  maturity  date  of these
   instruments  is  considered  to  be the earlier of the next date on which the
   security  can  be  redeemed  at  par  or  the  next date on which the rate of
   interest is adjusted.
 + Option  call  Provisions: date (month/year) and prices of the earliest option
   call on  redemption.  There may be other call provisions at varying prices at
   later dates.
++ This bond is prerefunded. See Glossary for definitions.




<TABLE>
                                          THE FOLLOWING ABBREVIATIONS ARE USED IN PORTFOLIO DESCRIPTIONS:
 <S>        <C>                                                 <C>     <C>
 AMBAC      - American Municipal Bond Assurance Corporation     FRDD    - Floating Rate Daily Demand
  C.O.P.    - Certificate of Participation                      FSA     - Financial Security Assurance
  ETM       - Escrowed To Maturity                              GNMA    - Government National Mortgage Association
  FGIC      - Financial Guaranty Insurance Company              MBIA    - Municipal Bond Insurance Association
</TABLE>

 

                       See Notes to Financial Statements.
                                       7


<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK FLORIDA INVESTMENT QUALITY
MUNICIPAL TRUST
STATEMENT OF ASSETS AND LIABILITIES
OCTOBER 31, 1998
- --------------------------------------------------------------------------------

<TABLE>
<S>                                                      <C>
ASSETS
Investments, at value ($23,153,182) (Note 1)..........    $25,780,288
Cash .................................................         97,265
Interest receivable ..................................        368,911
                                                          -----------
                                                           26,246,464
                                                          -----------
LIABILITIES
Advisory fee payable (Note 2) ........................          8,821
Administration fee payable (Note 2) ..................          2,520
Dividends payable-preferred stock ....................          1,583
Other accrued expenses ...............................         49,258
                                                          -----------
                                                               62,182
                                                          -----------
NET INVESTMENT ASSETS ................................    $26,184,282
                                                          ===========
Net investment assets were comprised of:
  Common stock:
  Par value (Note 4) .................................    $    11,271
  Paid-in capital in excess of par ...................     15,585,445
 Preferred stock (Note 4) ............................      8,500,000
                                                          -----------
                                                           24,096,716
 Undistributed net investment income .................        158,219
 Accumulated net realized loss .......................       (697,759)
 Net unrealized appreciation .........................      2,627,106
                                                          -----------
Net investment assets, October 31, 1998 ..............    $26,184,282
                                                          ===========
Net assets applicable to common shareholders .........    $17,684,282
                                                          ===========
Net asset value per share:
  ($17,684,282 / 1,127,093 shares of
  common stock issued and outstanding) ...............    $     15.69
                                                          ===========
</TABLE>


- --------------------------------------------------------------------------------
THE BLACKROCK FLORIDA INVESTMENT QUALITY
MUNICIPAL TRUST
STATEMENT OF OPERATIONS
YEAR ENDED OCTOBER 31, 1998
- --------------------------------------------------------------------------------

<TABLE>
<S>                                          <C>
NET INVESTMENT INCOME
Income
  Interest and discount earned ...........   $1,405,985
                                             ----------
 
Expenses
  Investment advisory ....................       89,817
  Administration .........................       25,662
  Shareholder reports ....................       22,500
  Auction agent ..........................       21,000
  Directors ..............................       14,000
  Transfer agent .........................       10,000
  Audit ..................................        7,000
  Legal ..................................        5,500
  Custodian ..............................        3,000
  Miscellaneous ..........................       28,978
                                             ----------
Total expenses ...........................      227,457
                                             ----------
Net investment income ....................    1,178,528
                                             ----------
 
UNREALIZED GAIN
 ON INVESTMENTS (NOTE 3)
Net change in unrealized appreciation
 on investments ..........................      912,460
                                             ----------
 
NET INCREASE IN NET INVESTMENT
ASSETS RESULTING FROM OPERATIONS .........   $2,090,988
                                             ==========
</TABLE>


See Notes to Financial Statements.
                                       8


<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIPAL TRUST
STATEMENTS OF CHANGES IN NET INVESTMENT ASSETS
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                                        FOR THE YEAR ENDED
                                                                                            OCTOBER 31,
                                                                                 ---------------------------------
                                                                                       1998              1997
                                                                                 ---------------   ---------------
<S>                                                                              <C>               <C>
INCREASE (DECREASE) IN NET INVESTMENT ASSETS
Operations:
 Net investment income .......................................................    $  1,178,528      $  1,200,029
 Net realized gain on investments ............................................             --            39,699
 Net change in unrealized appreciation on investments ........................         912,460           677,912
                                                                                  ------------      ------------
 Net increase in net investment assets resulting from operations .............       2,090,988         1,917,640
Dividends and distributions:
 To common shareholders from net investment income ...........................        (839,826)         (806,563)
 To preferred shareholders from net investment income ........................        (311,954)         (310,486)
 To common shareholders in excess of net realized gain on investments ........              --            (4,875)
 To preferred shareholders in excess of net realized gain on investments .....              --            (1,819)
                                                                                  ------------      ------------
 Total dividends and distributions ...........................................      (1,151,780)       (1,123,743)
                                                                                  ------------      ------------
   Total increase ............................................................         939,208           793,897
NET INVESTMENT ASSETS
Beginning of year ............................................................      25,245,074        24,451,177
                                                                                  ------------      ------------
End of year ..................................................................    $ 26,184,282      $ 25,245,074
                                                                                  ============      ============
</TABLE>

 

                       See Notes to Financial Statements.
                                       9


<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIPAL TRUST
FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                   FOR THE YEAR ENDED OCTOBER 31,
                                                                   ----------------------------
                                                                        1998          1997
PER SHARE OPERATING PERFORMANCE:                                   ------------- --------------
<S>                                                                 <C>           <C>
Net asset value, beginning of year ...............................   $  14.86      $  14.15
                                                                     --------      --------
 Net investment income ...........................................       1.05          1.06
 Net realized and unrealized gain (loss) on investments ..........        .81           .65
                                                                     --------      --------
 Net increase (decrease) from investment operations ..............       1.86          1.71
                                                                     --------      --------
Dividends and distributions:
Dividends from net investment income to:
  Common shareholders ............................................       (.75)         (.72)
  Preferred shareholders .........................................       (.28)         (.28)
Distributions from capital gains to:
  Common shareholders ............................................         --            --
  Preferred shareholders .........................................         --            --
Distributions in excess of net realized gain on
 investments to:
  Common shareholders ............................................         --            **
  Preferred shareholders .........................................         --            **
                                                                     --------     ---------
  Total dividends and distributions ..............................      (1.03)        (1.00)
                                                                     --------     ---------
Net asset value, end of year* ....................................   $  15.69     $   14.86
                                                                     ========     =========
Per share market value, end of year* .............................   $ 15.125     $ 13.3125
                                                                     ========     =========
TOTAL INVESTMENT RETURN+: ........................................      19.70%        14.95%
RATIOS TO AVERAGE NET ASSETS OF COMMON
 SHAREHOLDERS++:
Expenses .........................................................       1.31%         1.26%
Net investment income before preferred stock dividends ...........       6.81%         7.43%
Preferred stock dividends ........................................       1.80%         1.92%
Net investment income available to common shareholders ...........       5.01%         5.51%
SUPPLEMENTAL DATA:
Average net assets of common shareholders (in thousands) .........   $ 17,299     $  16,150
Portfolio turnover rate ..........................................          0%            5%
Net assets of common shareholders, end of year (in thousands).....   $ 17,684     $  16,745
Asset coverage per share of preferred stock, end of year# ........   $ 77,017     $  74,253
Preferred stock outstanding (in thousands) .......................   $  8,500     $   8,500



<CAPTION>
                                                                       FOR THE YEAR ENDED OCTOBER 31,
                                                                   ---------------------------------------
                                                                       1996         1995          1994
PER SHARE OPERATING PERFORMANCE:                                   ----------- ------------- -------------
<S>                                                                 <C>          <C>            <C>
Net asset value, beginning of year ...............................  $  14.01     $   11.69      $  14.77
                                                                    --------     ---------      --------
 Net investment income ...........................................     1.03           1.05           .98
 Net realized and unrealized gain (loss) on investments ..........      .13           2.36         (3.02)
                                                                    --------     ---------      --------
 Net increase (decrease) from investment operations ..............     1.16           3.41         (2.04)
                                                                    --------     ---------      --------
Dividends and distributions:
Dividends from net investment income to:
  Common shareholders ............................................     (.73)          (.79)         (.79)
  Preferred shareholders .........................................     (.28)          (.30)         (.20)
Distributions from capital gains to:
  Common shareholders ............................................       --             --          (.04)
  Preferred shareholders .........................................       --             --          (.01)
Distributions in excess of net realized gain on
 investments to:
  Common shareholders ............................................      (.01)           --            --
  Preferred shareholders .........................................        **            --            --
                                                                    ---------    ---------     ---------
  Total dividends and distributions ..............................     (1.02)        (1.09)        (1.04)
                                                                    --------     ---------     ---------
Net asset value, end of year* ....................................  $  14.15     $   14.01     $   11.69
                                                                    ========     =========     =========
Per share market value, end of year* .............................  $  12.25     $  12.625     $  10.375
                                                                    ========     =========     =========
TOTAL INVESTMENT RETURN+: ........................................      2.92%        29.29%       (20.98%)
RATIOS TO AVERAGE NET ASSETS OF COMMON
 SHAREHOLDERS++:
Expenses .........................................................      1.46%         1.44%         1.50%
Net investment income before preferred stock dividends ...........      7.41%         7.96%         7.34%
Preferred stock dividends ........................................      1.97%         2.28%         1.48%
Net investment income available to common shareholders ...........      5.44%         5.68%         5.86%
SUPPLEMENTAL DATA:
Average net assets of common shareholders (in thousands) .........  $ 15,699     $  14,759    $   15,015
Portfolio turnover rate ..........................................        73%          112%          206%
Net assets of common shareholders, end of year (in thousands).....  $ 15,951     $  15,788    $   13,174
Asset coverage per share of preferred stock, end of year# ........  $ 71,915     $  71,437    $  127,494
Preferred stock outstanding (in thousands) .......................  $  8,500     $   8,500    $    8,500
</TABLE>

- ----------
 * Net asset value and market  value are  published  in The Wall Street  Journal
   each Monday.
** Actual amount paid to common shareholders for the year ended October 31, 1997
   was  $0.004325,  and the actual  amount paid to  preferred  shareholders  was
   $0.000185 per common share. Actual amount paid to preferred  shareholders for
   the year ended October 31, 1996 was $0.0030 per common share.
 # A stock split occurred on July 24, 1995 (Note 4).
 + Total investment return is calculated  assuming a purchase of common stock at
   the current  market  value on the first day and a sale at the current  market
   price on the last day of each year reported.  Dividends and distributions are
   assumed for purposes of this  calculation to be reinvested at prices obtained
   under the Trust's  dividend  reinvestment  plan.  This  calculation  does not
   reflect brokerage commissions.
++ Ratios are  calculated on the basis of income,  expenses and preferred  stock
   dividends  applicable to both the common and preferred shares relative to the
   average net assets of common shareholders.

The  information  above  represents the audited operating performance data for a
share  of  common  stock outstanding, total investment return, ratios to average
net   assets   and  other  supplemental  data  for  the  years  indicated.  This
information  has  been  determined  based upon financial information provided in
the financial statements and market value data for the Trust's common shares.


                       See Notes to Financial Statements.
                                       10


<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK FLORIDA INVESTMENT
QUALITY MUNICIPAL TRUST
NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

NOTE 1. ORGANIZATION & ACCOUNTING POLICIES

      The BlackRock Florida Investment Quality Municipal Trust (the "Trust") was
organized in  Massachusetts  on April 15, 1993 as a  non-diversified  closed-end
management  investment company.  The Trust's investment  objective is to provide
high  current  income  exempt  from  regular  federal  income  tax  and  Florida
intangible  personal  property tax consistent with the  preservation of capital.
The  ability  of  issuers  of debt  securities  held by the Trust to meet  their
obligations  may be affected by economic  developments  in the state, a specific
industry  or  region.  No  assurance  can be given that the  Trust's  investment
objective will be achieved.

      The  following is a summary of significant accounting policies followed by
the Trust.

SECURITIES  VALUATION:  Municipal  securities (including commitments to purchase
such securities on a "when-issued"  basis)  are  valued  on  the basis of prices
provided   by   a  pricing  service  which  uses  information  with  respect  to
transactions  in  bonds,  quotations  from  bond dealers, market transactions in
comparable   securities   and   various   relationships  between  securities  in
determining  values.  Any  securities  or  other  assets  for which such current
market  quotations  are  not  readily  available  are  valued  at  fair value as
determined  in  good faith under procedures established by and under the general
supervision and responsibility of the Trust's Board of Directors.

      Short-term  securities  which  mature  in  more than 60 days are valued at
current  market  quotations.  Short-term  securities  which mature in 60 days or
less  are  valued  at  amortized  cost,  if  their term to maturity from date of
purchase  is 60 days or less, or by amortizing their value on the 61st day prior
to  maturity,  if their original term to maturity from date of purchase exceeded
60 days.

SECURITIES  TRANSACTIONS  AND  INVESTMENT  INCOME:  Securities  transactions are
recorded  on  the  trade  date.  Realized  and  unrealized  gains and losses are
calculated  on  the  identified  cost  basis. Interest income is recorded on the
accrual  basis  and  the  Trust  accretes  original issue discounts or amortizes
premium on securities purchased using the interest method.

FEDERAL  INCOME TAXES:  For federal income tax purposes, the Trust is treated as
a  separate  taxpaying entity. It is the intent of the Trust to continue to meet
the   requirements   of  the  Internal  Revenue  Code  applicable  to  regulated
investment  companies  and  to distribute all of its net income to shareholders.
For  this  reason  and  because  substantially  all  of the Trust's gross income
consists of tax-exempt interest, no federal income tax provision is required.

DIVIDENDS   AND  DISTRIBUTIONS:  The  Trust  declares  and  pays  dividends  and
distributions  to  common  shareholders  monthly from net investment income, net
realized   short-term  capital  gains  and  other  sources,  if  necessary.  Net
long-term  capital  gains,  if  any,  in  excess  of  loss  carryforwards may be
distributed   annually.   Dividends   and  distributions  are  recorded  on  the
ex-dividend  date.  Dividends  and  distributions  to preferred shareholders are
accrued and determined as described in Note 4.

DEFERRED  ORGANIZATION  EXPENSES:  A total of $16,000 was incurred in connection
with  the  organization  of  the  Trust. These costs were deferred and have been
amortized  ratably  over  a  period  of  sixty  months  from  the date the Trust
commenced investment operations.

ESTIMATES:  The   preparation   of   financial  statements  in  conformity  with
generally  accepted  accounting principles requires management to make estimates
and  assumptions  that affect the reported amounts of assets and liabilities and
disclosure  of  contingent  assets  and liabilities at the date of the financial
statements  and  the  reported  amounts  of  revenues  and  expenses  during the
reporting period. Actual results could differ from those estimates.


NOTE 2. AGREEMENTS

      The Trust has an Investment  Advisory  Agreement with BlackRock  Financial
Management,  Inc.  (the  "Adviser"),  a  wholly-owned  corporate  subsidiary  of
BlackRock Advisors, Inc., which is an indirect majority-owned  subsidiary of PNC
Bank,  N.A., and an  Administration  Agreement with Prudential  Investments Fund
Management LLC ("PIFM"), an indirect,  wholly-owned subsidiary of The Prudential
Insurance Company of America.

      The  investment  fee  paid  to  the Adviser is computed weekly and payable
monthly  at an annual rate of 0.35% of the Trust's average weekly net investment
assets.  The administration fee paid to PIFM is also computed weekly and payable
monthly  at an annual rate of 0.10% of the Trust's average weekly net investment
assets.

      Pursuant  to  the  agreements, the Adviser provides continuous supervision
of  the  investment portfolio and pays the compensation of officers of the Trust
who  are  affiliated  persons  of  the  Adviser. PIFM pays occupancy and certain
clerical  and accounting costs of the Trust. The Trust bears all other costs and
expenses.


                                       11


<PAGE>

NOTE 3. PORTFOLIO SECURITIES

      There were no  purchases  or sales of  investment  securi  ties other than
short-term investments, for the year ended October 31, 1998.

      The  federal  income  tax  basis of the Trust's investments at October 31,
1998  was  substantially  the  same  as  for  financial  reporting purposes and,
accordingly, net and gross unrealized appreciation was $2,627,106.

      For   federal   income   tax  purposes,  the  Trust  had  a  capital  loss
carryforward  at October 31, 1998 of approximately $699,000 which will expire in
2002.  Accordingly,  no  capital  gain  distribution  is  expected to be paid to
shareholders until net gains have been realized in excess of such amount.

NOTE 4. CAPITAL

      There are 200 million shares of $.01 par value common stock authorized. Of
the 1,127,093  shares  outstanding  at October 31, 1998, the Adviser owned 7,093
shares.  As of October 31, 1998 there were 340 shares at Preferred  Stock Series
R7 outstanding.

      The  Trust  may classify or reclassify any unissued shares of common stock
into  one  or  more  series  of  preferred  stock.  On  July  29, 1993 the Trust
reclassified  170  shares  of common stock and issued a series of Auction Market
Preferred  Stock  ("Preferred  Stock")  Series  R7.  The  Preferred  Stock had a
liquidation  value  of  $50,000  per  share  plus  any  accumulated  but  unpaid
dividends.  On May 16, 1995 shareholders approved a proposal to split each share
of  the  Trust's  Auction  Rate  Municipal  Preferred  Stock into two shares and
simultaneously  reduce  each  share's  liquidation  preference  from  $50,000 to
$25,000. The stock split occurred on July 24, 1995.

      Dividends  on  Series  R7  are cumulative at a rate which is reset every 7
days  based  on  the  results of an auction. Dividend rates ranged from 3.35% to
4.20% during the year ended October 31, 1998.

      The  Trust may not declare dividends or make other distributions on shares
of  common stock or purchase any such shares if, at the time of the declaration,
distribution,  or  purchase,  asset  coverage  with  respect  to the outstanding
Preferred Stock would be less than 200%.


      The  Preferred Stock is redeemable at the option of the Trust, in whole or
in  part, on any dividend payment date at $25,000 per share plus any accumulated
or  unpaid  dividends  whether  or  not  declared.  The  Preferred Stock is also
subject  to  mandatory  redemption  at $25,000 per share plus any accumulated or
unpaid  dividends,  whether  or not declared if certain requirements relating to
the  composition  of the assets and liabilities of the Trust as set forth in the
Articles of Incorporation are not satisfied.


      The  holders of Preferred Stock have voting rights equal to the holders of
common  stock (one vote per share) and will vote together with holders of shares
of  common stock as a single class. However, holders of Preferred Stock are also
entitled  to  elect  two  of  the Trust's directors. In addition, the Investment
Company  Act  of  1940  requires  that  along with approval by stockholders that
might  otherwise  be  required, the approval of the holders of a majority of any
outstanding  preferred shares, voting separately as a class would be required to
(a)  adopt  any plan of reorganization that would adversely affect the preferred
shares  and (b) take any action requiring a vote of security holders, including,
among other things, changes in the Trust's subclassification as a closed-end
investment company or changes in its fundamental investment restriction.


NOTE 5. DIVIDENDS

      Subsequent  to  October  31,  1998,  the Board of  Directors  of the Trust
declared  dividends  from  undistributed  earnings of 0.06630  per common  share
payable November 30, 1998 to shareholders of record on November 16, 1998.


      For  the  period  November  1,  1998  through  November 30, 1998 dividends
declared  on  Preferred  Stock totalled $22,166 in aggregate for the outstanding
Preferred Stock.


                                       12


<PAGE>

- --------------------------------------------------------------------------------
           THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIPAL TRUST
                        REPORT OF INDEPENDENT AUDITORS
- --------------------------------------------------------------------------------
To The Shareholders and Board of Directors of
The BlackRock Florida Investment Quality Municipal Trust Inc.:

     We  have  audited  the  accompanying  statement  of assets and liabilities,
including  the  portfolio  of  investments,  of The BlackRock Florida Investment
Quality  Municipal  Trust Inc. as of October 31, 1998 and the related statements
of  operations  for  the year then ended and of changes in net investment assets
for  each of the two years in the period then ended and the financial highlights
for  each of the five years in the period then ended. These financial statements
and  financial  highlights are the responsibility of the Trust's management. Our
responsibility  is  to  express  an  opinion  on  these financial statements and
financial highlights based on our audits.

     We  conducted  our  audits  in  accordance with generally accepted auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable  assurance  about  whether  the  financial  statements  and financial
highlights  are free of material misstatement. An audit includes examining, on a
test  basis,  evidence  supporting  the amounts and disclosures in the financial
statements.  Our procedures included confirmation of securities owned at October
31,  1998,  by  correspondence  with  the  custodian  and brokers. An audit also
includes  assessing  the  accounting  principles  used and significant estimates
made  by  management,  as  well  as  evaluating  the overall financial statement
presentation.  We  believe  that  our  audits provide a reasonable basis for our
opinion.

     In  our opinion, such financial statements and financial highlights present
fairly,  in  all  material  respects,  the  financial  position of The BlackRock
Florida  Investment  Quality  Municipal  Trust Inc. at October 31, 1998, and the
results  of  its  operations,  the  changes in its net investment assets and its
financial  highlights  for  the  respective  stated  periods  in conformity with
generally accepted accounting principles.




/s/ DELOITTE & TOUCHE LLP
- -------------------------


Deloitte & Touche LLP

New York, New York
December 11, 1998

                                       13


<PAGE>

- --------------------------------------------------------------------------------
           THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIPAL TRUST
                                TAX INFORMATION
- --------------------------------------------------------------------------------
     We  are  required by the Internal Revenue Code to advise you within 60 days
of  the  Trust's fiscal year end (October 31, 1998) as to the federal tax status
of  dividends you received during such fiscal year. Accordingly, during the year
the  Trust  paid  Federal  tax-exempt  dividends  of  $0.75  per share to common
shareholders and $917.51 per share to preferred shareholders.

- --------------------------------------------------------------------------------
                          DIVIDEND REINVESTMENT PLAN
- --------------------------------------------------------------------------------
     Pursuant   to   the   Trust's  Dividend  Reinvestment  Plan  (the  "Plan"),
shareholders  will automatically have all distributions of dividends and capital
gains  reinvested  by  State Street Bank and Trust Company (the "Plan Agent") in
Trust  shares  pursuant  to  the Plan unless an election is made to receive such
amounts  in  cash. The Plan Agent will affect purchases of shares under the Plan
in  the  open market. Shareholders who elect not to participate in the Plan will
receive  all distributions in cash paid by check in United States dollars mailed
directly  to  the shareholders of record (or if the shares are held in street or
other  nominee  name,  then  to  the nominee) by the transfer agent, as dividend
disbursing agent.

     The  Plan  Agent  serves as agent for the shareholders in administering the
Plan.  After  the Trust declares a dividend or determines to make a capital gain
distribution,  the  Plan  Agent will, as agent for the participants, receive the
cash  payment and use it to buy Trust shares in the open market, on the American
Stock  Exchange or elsewhere, for the participants' accounts. The Trust will not
issue any new shares in connection with the Plan.

     Participants  in the Plan may withdraw from the Plan upon written notice to
the  Plan  Agent and will receive certificates for whole Trust shares and a cash
payment for any fraction of a Trust share.

     The  Plan  Agent's  fees  for the handling of the reinvestment of dividends
and  distributions will be paid by the Trust. However, each participant will pay
a  pro  rata  share  of  brokerage commissions incurred with respect to the Plan
Agent's  open  market purchases in connection with the reinvestment of dividends
and  distributions.  The  automatic  reinvestment of dividends and distributions
will  not  relieve participants of any federal, state or local income taxes that
may be payable on such dividends or distributions.

     Experience  under  the  Plan  may  indicate  that  changes  are  desirable.
Accordingly,  the  Trust  reserves  the  right to amend or terminate the Plan as
applied  to  any  dividend  or distribution paid subsequent to written notice of
the  change  sent  to  all shareholders of the Trust at least 90 days before the
record  date  for  the dividend or distribution. The Plan also may be amended by
the  Plan Agent upon at least 90 days' written notice to all shareholders of the
Trust.  The  Plan may be terminated by the Plan Agent or the Trust upon at least
30  days  written  notice  to  all shareholders of the Trust. All correspondence
concerning  the Plan should be directed to the Plan Agent at (800) 699-1BFM. The
addresses are on the front of this report.


                                       14


<PAGE>

- --------------------------------------------------------------------------------
            THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIPAL TRUST
                            ADDITIONAL INFORMATION
- --------------------------------------------------------------------------------
     There  have  been  no material changes in the Trust's investment objectives
or  policies  that  have not been approved by the shareholders or to its charter
or  by-laws  or  in the principal risk factors associated with investment in the
Trust.  There  have been no changes in the persons who are primarily responsible
for the day-to-day management of the Trust's portfolio

     YEAR  2000  READINESS  DISCLOSURE. The Trust is currently in the process of
evaluating  its  information technology infrastructure for Year 2000 compliance.
Substantially  all  of  the  Trust's  information  systems  are  supplied by the
Adviser.  The  Adviser  has  advised  the  Trust that it is currently evaluating
whether  such  systems  are  year  2000  compliant and that it expects to incure
costs  of  up  to  approximately  five hundred thousand dollars to complete such
evaluation  and  to make any modifications to its systems as may be necessary to
achieve  Year 2000 compliance. The Adviser has advised the Trust that it expects
to  have fully tested its systems for Year 2000 compliance by December 31, 1998.
The  Trust  may  be  required  to  bear  a  portion of such cost incurred by the
Adviser  in  this  regard.  The  Adviser  has advised the Trust that it does not
anticipate  any  material  disruption in the operations of the Trust as a result
of  any  failure by the Adviser to achieve Year 2000 compliance. There can be no
assurance  that  the  costs will not exceed the amount referred to above or that
the Trust will not experience a disruption in operations.

     The  Adviser  has advised the Trust that it is in the process of evaluating
the  Year 2000 compliance of various suppliers of the Adviser and the Trust. The
Adviser  has  advised  the  Trust  that  it  intends  to  communicate  with such
suppliers  to  determine  their  Year  2000  compliance status and the extent to
which  the  Adviser  or  the Trust could be affected by any supplier's Year 2000
compliance  issues.  To  date,  however,  the Adviser has not received responses
from  all  such  suppliers with respect to their Year 2000 compliance, and there
can  be  no  assurance  that  the  systems of such suppliers, who are beyond the
Trust's  control,  will  be  Year  2000  compliant. In the event that any of the
Trust's  significant  suppliers do not successfully and timely achieve Year 2000
compliance,  the Trust's business or operations could be adversely affected. The
Adviser  has  advised  the  Trust  that  it  is  in  the  process of preparing a
contingency  plan  for  Year  2000  compliance by its suppliers. There can be no
assurance  that  such  contingency  plan  will  be  successful  in  preventing a
disruption of the Trust's operations.

     The  Trust  is  designating  this  disclosure  as  its  Year 2000 readiness
disclosure  for  all  purposes  under  the  Year  2000 Information and Readiness
Disclosure  Act  and  the  foregoing  information  shall  constitute a Year 2000
statement for purposes of that Act.


                                       15


<PAGE>

- --------------------------------------------------------------------------------
           THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIPAL TRUST
                              INVESTMENT SUMMARY
- --------------------------------------------------------------------------------
THE TRUST'S INVESTMENT OBJECTIVE

The  BlackRock Florida Investment Quality Municipal Trust's investment objective
is  to provide high current income exempt from regular federal income tax and to
provide  an exemption from Florida intangible personal property taxes consistent
with the preservation of capital.

WHO MANAGES THE TRUST?

BlackRock   Financial   Management,  Inc.  ("BlackRock")  is  an  SEC-registered
investment  adviser.  BlackRock  and  its  affiliates currently manage over $122
billion  on  behalf  of  taxable  and  tax-exempt  clients worldwide. Strategies
include  fixed  income,  equity  and  cash and may incorporate both domestic and
international   securities.   Domestic   fixed  income  strategies  utilize  the
government,  mortgage,  corporate  and municipal bond sectors. BlackRock manages
twenty-one  closed-end  funds that are traded on either the New York or American
stock  exchanges,  and  a  $23 billion family of open-end equity and bond funds.
Current  institutional  clients  number  410, domiciled in the United States and
overseas.

WHAT CAN THE TRUST INVEST IN?

Under  normal  conditions, the Trust expects to continue to manage its assets so
that  at least 80% of its investments are rated at least investment grade ("BBB"
by  Standard  &  Poor's and "Baa" by Moody's Investor Services) and up to 20% of
its  assets  may  instead  be  deemed  to be of equivalent credit quality by the
Adviser.  The  Trust  intends  to  invest  substantially  all of the assets in a
portfolio  of investment grade Florida Municipal Obligations, which include debt
obligations  issued  by  the  State  of  Florida,  its  political  subdivisions,
agencies  and  instrumentalities  and  by  other  qualifying  issuers  that  pay
interest  which,  in  the  opinion  of the bond counsel of the issuer, is exempt
from  federal  income  tax.  Florida  Municipal Obligations are issued to obtain
funds  for  various  public  functions,  including  the  construction  of public
facilities,  the  refinancing of outstanding obligations, the obtaining of funds
for  general  operating  expenses and for loans to other public institutions and
facilities.

WHAT IS THE ADVISER'S INVESTMENT STRATEGY?

The  Adviser  will manage the assets of the Trust in accordance with the Trust's
investment  objective and policies to seek to achieve its objective by investing
in  investment grade Florida Municipal Obligations. The Adviser actively manages
the  assets  in  relation  to  market  conditions  and  interest  rate  changes.
Depending  on  yield  and  portfolio  allocation considerations, the Adviser may
choose  to  invest  a  portion  of  the  Trust's  assets in securities which pay
interest  that is subject to AMT (alternative minimum tax). The Trust intends to
emphasize   investments   in   Florida   Municipal  Obligations  with  long-term
maturities  and  expects  to  maintain  an  average  portfolio maturity of 15-20
years,  but  the  average  maturity  may be shortened or lengthened from time to
time depending on market conditions.

Under  current market conditions the use of leverage increases the income earned
by  the  Trust.  The  Trust  employs  leverage primarily through the issuance of
preferred   stock.  Preferred  stockholders  will  receive  dividends  based  on
short-term  rates  in  exchange  for  allowing  the  Trust  to borrow additional
assets.  These  assets  will  be  invested in longer-term assets which typically
offer  higher  interest  rates  and  the  difference  between  the  cost  of the
dividends  paid  to  preferred  stockholders  and  the  interest  earned  on the
longer-term   securities   will   provide   higher   income  levels  for  common
stockholders  in  most  interest  rate  environments. The Trust issued preferred
stock  to  leverage  the  portfolio  at  approximately  35% of total assets. See
"Leverage Considerations in the Trust" below.

HOW  ARE  THE  TRUST'S  SHARES  PURCHASED AND SOLD? DOES THE TRUST PAY DIVIDENDS
REGULARLY?

The  Trust's  shares  are  traded  on the American Stock Exchange which provides
investors  with  liquidity on a daily basis. Orders to buy or sell shares of the
Trust  must  be  placed  through  a  registered broker or financial advisor. The
Trust  pays  monthly dividends which are typically paid on the last business day
of  the  month.  For  shares  held  in  the shareholder's name, dividends may be
reinvested  in additional shares of the fund through the Trust's transfer agent,
State  Street  Bank  and  Trust  Company. Investors who wish to hold shares in a
brokerage  account  should  check  with  their  financial  advisor  to determine
whether their brokerage firm offers dividend reinvestment services.


                                       16


<PAGE>

LEVERAGE CONSIDERATIONS IN THE TRUST

Leverage  increases  the  duration  (or price sensitivity of the net assets with
respect  to  changes  in  interest  rates)  of  the Trust, which can improve the
performance  of  the  Trust  in  a declining rate environment, but can cause net
assets  to  decline  faster  in  a rapidly rising interest rate environment. The
Trust  may  reduce,  or unwind, the amount of leverage employed should BlackRock
consider  that  reduction  to be in the best interests of the Trust. BlackRock's
portfolio  managers continuously monitor and regularly review the Trust's use of
leverage  and  maintain  the  ability  to  unwind the leverage if that course is
chosen.

SPECIAL CONSIDERATIONS AND RISK FACTORS RELEVANT TO THE TRUST

THE  TRUST  IS  INTENDED  TO  BE  A LONG-TERM INVESTMENT AND IS NOT A SHORT-TERM
TRADING VEHICLE.

INVESTMENT  OBJECTIVE.  Although  the  objective of the Trust is to provide high
current  income  exempt  from  regular  federal  income  tax  and  to provide an
exemption  from  Florida  intangible personal property taxes consistent with the
preservation  of  capital, there can be no assurance that this objective will be
achieved.

DIVIDEND  CONSIDERATIONS.  The income and dividends paid by the Trust are likely
to  vary  over  time  as fixed income market conditions change. Future dividends
may be higher or lower than the dividend the Trust is currently paying.

LEVERAGE.  The  Trust  utilizes leverage through preferred stock, which involves
special  risks.  The  Trust's  net  asset  value  and  market  value may be more
volatile due to its use of leverage.

MARKET  PRICE  OF  SHARES. The shares of closed-end investment companies such as
the  Trust  trade  on the American Stock Exchange (AMEX symbol: RFA) and as such
are  subject to supply and demand influences. As a result, shares may trade at a
discount or a premium to their net asset value.

INVESTMENT  GRADE  MUNICIPAL OBLIGATIONS. The value of municipal debt securities
generally  varies  inversely  with  changes in prevailing market interest rates.
Depending  on  the  amount  of  call protection that the securities in the Trust
have,  the Trust may be subject to certain reinvestment risks in environments of
declining interest rates.

ILLIQUID  SECURITIES.  The  Trust  may  invest  in securities that are illiquid,
although  under  current  market conditions the Trust expects to do so to only a
limited extent. These securities involve special risks.

ANTITAKEOVER  PROVISIONS.  Certain antitakeover provisions will make a change in
the  Trust's  business  or management more difficult without the approval of the
Trust's  Board of Directors and may have the effect of depriving shareholders of
an  opportunity  to  sell  their shares at a premium above the prevailing market
price.


                                       17


<PAGE>

- --------------------------------------------------------------------------------
           THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIPAL TRUST
                                   GLOSSARY
- --------------------------------------------------------------------------------

CLOSED-END FUND:           Investment  vehicle  which  initially  offers a fixed
                           number of shares and trades on a stock exchange.  The
                           fund  invests  in  a  portfolio  of   securities   in
                           accordance with its stated investment  objectives and
                           policies.

DISCOUNT:                  When a fund's  net asset  value is  greater  than its
                           stock  price  the  fund is said  to be  trading  at a
                           discount.

DIVIDEND:                  Income  generated by  securities  in a portfolio  and
                           distributed  to  shareholders  after the deduction of
                           expenses.  This Trust  declares and pays dividends to
                           common shareholders on a monthly basis.

DIVIDEND REINVESTMENT:     Shareholders may have all dividends and distributions
                           of  capital  gains   automatically   reinvested  into
                           additional shares of the Trust.

MARKET PRICE:              Price  per  share  of  a  security   trading  in  the
                           secondary market.  For a closed-end fund, this is the
                           price at which  one  share of the fund  trades on the
                           stock  exchange.  If you were to buy or sell  shares,
                           you would pay or receive the market price.

NET ASSET VALUE (NAV):     Net  asset  value is the  total  market  value of all
                           securities  and other assets held by the Trust,  plus
                           income   accrued  on  its   investments,   minus  any
                           liabilities  including accrued  expenses,  divided by
                           the total  number of  outstanding  shares.  It is the
                           underlying  value of a single  share on a given  day.
                           Net asset  value for the Trust is  calculated  weekly
                           and  published  in BARRON'S  on Saturday  and THE NEW
                           YORK TIMES or THE WALL STREET Journal each Monday.

PREMIUM:                   When a fund's  stock  price is  greater  than its net
                           asset  value,  the  fund is said to be  trading  at a
                           premium.

PREREFUNDED BONDS:         These   securities   are   collateralized   by   U.S.
                           Government  securities  which are held in escrow  and
                           are used to pay  principal  and  interest  on the tax
                           exempt  issue and retire the bond in full at the date
                           indicated, typically at a premium to par.


                                       18


<PAGE>

- --------------------------------------------------------------------------------
                      BLACKROCK FINANCIAL MANAGEMENT, INC.
                          SUMMARY OF CLOSED-END FUNDS
- --------------------------------------------------------------------------------
TAXABLE TRUSTS
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                               STOCK      MATURITY
                                                              SYMBOL        DATE
PERPETUAL TRUSTS                                            ----------   ---------
<S>                                                         <C>          <C>
The BlackRock Income Trust Inc.                             BKT             N/A
The BlackRock North American Government Income Trust Inc.   BNA             N/A

TERM TRUSTS
The BlackRock 1998 Term Trust Inc.                          BBT            12/98
The BlackRock 1999 Term Trust Inc.                          BNN            12/99
The BlackRock Target Term Trust Inc.                        BTT            12/00
The BlackRock 2001 Term Trust Inc.                          BLK            06/01
The BlackRock Strategic Term Trust Inc.                     BGT            12/02
The BlackRock Investment Quality Term Trust Inc.            BQT            12/04
The BlackRock Advantage Term Trust Inc.                     BAT            12/05
The BlackRock Broad Investment Grade 2009 Term Trust Inc.   BCT            12/09
</TABLE>

TAX-EXEMPT TRUSTS
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                     STOCK      MATURITY
                                                                     SYMBOL       DATE
PERPETUAL TRUSTS                                                   ---------   ---------
<S>                                                                <C>         <C>
Tax-Exempt Trusts
The BlackRock Investment Quality Municipal Trust Inc.              BKN            N/A
The BlackRock California Investment Quality Municipal Trust Inc.   RAA            N/A
The BlackRock Florida Investment Quality Municipal Trust           RFA            N/A
The BlackRock New Jersey Investment Quality Municipal Trust Inc.   RNJ            N/A
The BlackRock New York Investment Quality Municipal Trust Inc.     RNY            N/A

TERM TRUSTS
The BlackRock Municipal Target Term Trust Inc.                     BMN           12/06
The BlackRock Insured Municipal 2008 Term Trust Inc.               BRM           12/08
The BlackRock California Insured Municipal 2008 Term Trust Inc.    BFC           12/08
The BlackRock Florida Insured Municipal 2008 Term Trust            BRF           12/08
The BlackRock New York Insured Municipal 2008 Term Trust Inc.      BLN           12/08
The BlackRock Insured Municipal Term Trust Inc.                    BMT           12/10

 IF YOU WOULD LIKE FURTHER INFORMATION PLEASE CALL BLACKROCK AT (800) 227-7BFM (7236)
                     OR CONSULT WITH YOUR FINANCIAL ADVISOR.

</TABLE>


                                       19


<PAGE>

                                   BLACKROCK

DIRECTORS
Laurence D. Fink, CHAIRMAN
Andrew F. Brimmer
Richard E. Cavanagh
Kent Dixon
Frank J. Fabozzi
James Grosfeld
James Clayburn La Force, Jr.
Walter F. Mondale
Ralph L. Schlosstein


OFFICERS
Ralph L. Schlosstein, PRESIDENT
Keith T. Anderson, VICE PRESIDENT
Michael C. Huebsch, VICE PRESIDENT
Robert S. Kapito, VICE PRESIDENT
Kevin Klingert, Vice President
Richard M. Shea, VICE PRESIDENT/TAX
Henry Gabbay, TREASURER
James Kong, ASSISTANT TREASURER
Karen H. Sabath, SECRETARY


INVESTMENT ADVISER
BlackRock Financial Management, Inc.
345 Park Avenue
New York, NY 10154
(800) 227-7BFM


ADMINISTRATOR
Prudential Investments Fund Management LLC
Gateway Center Three
100 Mulberry Street
Newark, NJ 07102-4077


CUSTODIAN AND TRANSFER AGENT
State Street Bank and Trust Company
One Heritage Drive
North Quincy, MA 02171
(800) 699-1BFM


AUCTION AGENT
Bankers Trust Company
4 Albany Street
New York, NY 10006


INDEPENDENT AUDITORS
Deloitte & Touche LLP
Two World Financial Center
New York, NY 10281-1434


LEGAL COUNSEL
Skadden, Arps, Slate, Meagher & Flom, LLP
919 Third Avenue
New York, NY 10022
     This  report  is  for  shareholder  information.  This  is not a prospectus
intended for use in the purchase or sale of any securities.


                        THE BLACKROCK FLORIDA INVESTMENT
                            QUALITY MUNICIPAL TRUST
                c/o Prudential Investments Fund Management LLC
                              Gateway Center Three
                              100 Mulberry Street
                             Newark, NJ 07102-4077
                                 (800) 227-7BFM


[logo] Printed on recycled paper                                     09247C-10-7
                                                                     09247C-20-6

- --------------------------------------------------------------------------------
THE BLACKROCK
FLORIDA
INVESTMENT QUALITY
MUNICIPAL TRUST
- --------------------------------------------------------------------------------

ANNUAL REPORT
OCTOBER 31, 1998




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