DREYFUS FLORIDA MUNICIPAL MONEY MARKET FUND
N-30D, 1999-03-01
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YEAR 2000 ISSUES (UNAUDITED)

  The  fund  could  be  adversely  affected  if the computer systems used by The
Dreyfus  Corporation  and  the  fund' s  other service providers do not properly
process  and  calculate date-related information from and after January 1, 2000.
The  Dreyfus  Corporation  is working to avoid Year 2000-related problems in its
systems  and  to  obtain  assurances  from other service providers that they are
taking  similar  steps.  In  addition,  issuers  of securities in which the fund
invests may be adversely affected by Year 2000-related problems. This could have
an impact on the value of the fund's investments and its share price.

DREYFUS FLORIDA MUNICIPAL MONEY MARKET FUND
- -----------------------------------------------------------------------------

LETTER TO SHAREHOLDERS

Dear Shareholder:

   We  are pleased to report the performance for Dreyfus Florida Municipal Money
Market Fund for the six-month period ended December 31, 1998. Your Fund produced
an  annualized  yield  of  2.79% , and  after  taking into account the effect of
compounding, the annualized effective yield was 2.83%.*

ECONOMIC REVIEW

   During  the  last  six months of 1998, the main regions of the world had very
different  economic  fundamentals.  The U.S. continued to enjoy a strong economy
near  full  employment, with unemployment only slightly above 4%. World economic
weakness  generated  powerful  enough  disinflationary forces that the Fed acted
instead  to  ease  credit  beginning  in  September.  After many years of subpar
economic  growth,  continental Europe moved into a sustained economic expansion.
The overall European economy benefited as interest rates in peripheral countries
such  as  Spain  and  Italy  fell,  approaching  the lower levels established by
Germany,  on  the  eve  of  currency  unification.  Unlike  the U.S., Europe has
substantial  excess  capacity  of  productive  plant  and  labor.  In Asia, weak
economies  were  pervasive as a result of a financial crisis. The Latin American
economies  weakened  in  turn  as  the financial stresses spread throughout that
region.  On balance, there was a substantial weakening of the world economy over
the  period moderated mainly by the American consumer's role as "spender of last
resort."

   A  main  influence  on  the U.S. economy was the foreign financial crisis and
consequent  cooling of the world economy. The positive effects hit first. Actual
inflation  and  expected  inflation  dropped,  causing  a  decline  in long-term
Treasury bond yields and mortgage rates. This caused a boom in housing. The fall
in  inflation left more of the growth in consumer income with which to buy goods
and  services.  Thus,  consumers  benefited from a combination of good growth in
income  after  inflation,  a strong labor market, and increases in the prices of
assets they owned, including bonds, stocks and real estate. In a sense, 1998 was
a  year  of  disinflationary  boom  in  the U.S., as above-trend economic growth
coincided with negligible inflation.

   The  negative effect of Asian weakness was felt in the industrial sector more
than  in  the consumer sector. Corporate profits weakened, especially in sectors
affected  by  the Asian crisis such as world-traded commodities (oil, metals and
paper)    and    exports.

   Evidence  of  a weaker world economy accumulated during 1998 as the financial
stresses  continued.  A  worsened  financial crisis occurred between the Russian
default  in  mid-August  and  the  fallout from the Long Term Capital Management
hedge  fund crisis through early October. However, energetic steps were taken to
stabilize the Japanese banks, design a support package for Brazil, ease monetary
policy,   and  help  overinvested  financial  institutions  rebuild  their  cash
reserves.  Indications of a calming of financial fears were evident in the final
months  of  the  year.  In  any  case, there appears to have been a shift in the
priorities   of   key   policymakers   from   fighting  potential  inflation  to
restimulating future world economic growth.

   The  global  economy  survived a triple financial crisis from Japan, emerging
market  countries  and  overextended  financial  institutions.  Excess  capacity
persists  in  many  worldwide  industries  after  years of high capital spending
followed  by the onset of a worldwide weakening in demand. Fortunately, the U.S.
has  led  the  world  in  making  the transition away from the old manufacturing
industries  to  the  new  growth  industries,  such  as biotechnology, software,
computer   hardware   and  the  Internet.  This  contributed  to  the  favorable
combination  of low unemployment and low inflation in the U.S., and may yet lead
toward more efficient allocation of capital elsewhere in the world.

As 1998 ended, interest rates set by central banks remained in a downtrend in
most  parts  of the world including Europe and the U.S. A similar trend had even
begun in many emerging countries, as the stresses of financial crisis relaxed.

MARKET    ENVIRONMENT/PORTFOLIO    OVERVIEW

   The  manner  in which the Federal Reserve Board eased rates this past quarter
was  a gradual process. For three successive months, beginning in September, the
Fed  reduced  the  target rate for Fed Funds a total of 75 basis points. The Fed
also  lowered  the  Discount  Rate  by  25  basis  points  each, in November and
December.  The Fed's actions provided even greater strength to an already strong
short-term  municipal  money  market.  Prior  to these rate cuts, the short-term
market  had  already  felt  the effects of the diminished supply of eligible new
issuance  over the summer months. This year's summer calendar of municipal notes
(consisting mainly of California paper) was drastically reduced by a combination
of  factors.  Due  to the strength of local and state economies, several issuers
reduced  the  amount  of short-term borrowing needed. Additionally, many issuers
came  to  market  with  securities  with  maturities beyond the 13-month maximum
restriction allowable for tax-exempt money funds. Other issues were converted to
a shortened synthetic structure, thus eliminating the ability to extend out into
the  one-year  range. This reduction in supply resulted in lower yields for most
one-year paper, both national and state-specific.

   We  extended  your  Fund' s  average  maturity to the 60-day range during the
summer  months, just prior to the market strengthening. Your Fund benefited from
our  purchase of securities in the one-year range at yields significantly higher
than what is currently available in the market. As the summer progressed, yields
began  to  drop, reflecting the diminished supply of one-year notes. During this
period,  we  utilized the commercial paper market to maintain the Fund's average
maturity.

   For  reasons  endemic  to  the  Florida  market, we experienced a significant
inflow  of  assets  into  the Fund near year-end. Due to the temporary nature of
most  of  these funds, we invested primarily in variable rate demand notes. As a
result,  the  average  maturity  of  the Fund shortened near year-end. While the
one-year  note  market  continues to be aggressively priced, we will continue to
invest in the commercial paper market as a means of extending the Fund's average
maturity.    However,  to  the  extent  Florida-exempt  one-year  paper  becomes
available,  we  will  attempt  to selectively extend the Fund's average maturity
during    any    periods    of    market    weakness.

   As  always, we will structure the portfolio in an attempt to maximize current
yield while maintaining our commitment to high-quality tax-exempt investments.

               Very truly yours,


               [Richard J. Moynihan signature]

               Richard J. Moynihan

               Director, Municipal Portfolio Management

               The Dreyfus Corporation

January 15, 1999

New York, N.Y.

*Annualized  effective  yield  is  based  upon  dividends  declared  daily  and
reinvested monthly.


<TABLE>
<CAPTION>

DREYFUS FLORIDA MUNICIPAL MONEY MARKET FUND
- -----------------------------------------------------------------------------

STATEMENT OF INVESTMENTS                        DECEMBER 31, 1998 (UNAUDITED)

                                                                                                  Principal
Tax-Exempt Investments--94.7%                                                                      Amount            Value
- -------------------------------------------------------                                         _____________     _____________
<S>                                                                                            <C>                <C>
Florida--86.2%

Broward County, Ports Facilities Revenue, Refunding, VRDN (Port Everglades
Project)

  3.90% (Insured; AMBAC and Liquidity Facility; Bank of Nova Scotia) (a) . . . . . . . . .     $    3,300,000    $    3,300,000

Broward County School District, RAN 4%, Series A, 4/20/99. . . . . . . . . . . . . . . . .          3,000,000         3,002,588

Capital Projects Finance Authority, Revenue, VRDN (Capital Projects Loan
Program):

  3.75%, Series A (BPA; Credit Suisse and Insured; FSA) (a)  . . . . . . . . . . . . . . .         10,000,000        10,000,000

  4%, Series A (BPA; Credit Suisse and Insured; FSA) (a) . . . . . . . . . . . . . . . . .         16,000,000        16,000,000

Dade County, Water and Sewer Systems Revenue, VRDN

  3.40% (Insured; FGIC and Liquidity Facility; Commerzbank) (a)  . . . . . . . . . . . . .         47,600,000        47,600,000

Dade County Health Facilities Authority, HR, VRDN (Miami Children's Hospital
Project)

  4% (LOC; Bank of America) (a)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .         11,650,000        11,650,000

Dade County Industrial Development Authority, VRDN (Florida Power and Light Co.
Project):

  Exempt Facilities Revenue, Refunding 3.90% (LOC; Florida Power and Light Co. ) ( a)  . .         15,750,000        15,750,000

  PCR, Refunding 4% (LOC; Florida Power and Light Co. ) ( a) . . . . . . . . . . . . . . .          1,000,000         1,000,000

Escambia County Health Facilities Authority, HR, VRDN (Charity Obligated Group)

  3.40%, Series D (LOC; Charity Obligated Group) (a) . . . . . . . . . . . . . . . . . . .          2,100,000         2,100,000

Florida Housing Finance Agency:

  Refunding (Iona Lakes Project) 3.85%, Series D, 4/1/99 (LOC; Continental Casualty) . . .          3,000,000         3,000,000

  VRDN:

    Housing Revenue ( Caribbean Key ) 4.10%, Series F (LOC; Key Bank Inc.) (a) . . . . . .          5,000,000         5,000,000

    MFHR (Kings Colony Project) 4.05%, Series D (LOC; Bankers Trust Co.) (a) . . . . . . .          7,740,000         7,740,000

    (Parrots Landing Project) 3.40%, Series AA (LOC; FNMA) (a) . . . . . . . . . . . . . .          3,000,000         3,000,000

  (Wood Forest II Project) 3.15%, Series BBB, 12/1/99 (LOC; Continental Casualty)  . . . .          4,370,000         4,370,000

Halifax Hospital Medical Center:

 Health Care Facilites Revenue, VRDN (Health Care Plan Inc. Project)

    4.15% (LOC; Bank of America) (a) . . . . . . . . . . . . . . . . . . . . . . . . . . .          3,000,000         3,000,000

  TAN 4%, 4/15/99 (LOC; Bank of America) . . . . . . . . . . . . . . . . . . . . . . . . .          2,650,000         2,652,544

Highlands County Health Facilities Authority, Revenue, VRDN

 (Adventist Health Systems/Sunbelt Inc.):

   3.95%, Series A (Insured; Capital Markets Assurance and Liquidity Facility;

       First National Bank of Chicago) (a) . . . . . . . . . . . . . . . . . . . . . . . .         16,500,000        16,500,000

    3.95%, Series A (LOC; Sun Trust Bank) (a)  . . . . . . . . . . . . . . . . . . . . . .         15,140,000        15,140,000

    3.95%, Series B (Insured Capital Markets Assurance and Liquidity Facility;

       Canadian Imperial Bank of Commerce) (a) . . . . . . . . . . . . . . . . . . . . . .          3,800,000         3,800,000

Hillsborough County Industrial Development Authority, PCR, Refunding, VRDN

  (Tampa Electric Co. Project) 4%, (LOC; Tampa Electric Co.) (a) . . . . . . . . . . . . .         26,500,000        26,500,000

Inland Protection Financing Corporation, Special Obligation Revenue
  4.25%, 7/1/99 (Insured; FSA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .          2,000,000         2,013,429

City of Jacksonville, VRDN:

 IDR:

   Refunding (Saint John's Medical Investments Limited Project)

       3.75% (LOC; Bank of America) (a)  . . . . . . . . . . . . . . . . . . . . . . . . .          2,040,000         2,040,000

    (University of Florida Health Science Center) 3.75% (LOC; Bank of America) (a) . . . .          1,800,000         1,800,000

  PCR, Refunding (Florida Power and Light Co. Project)

    4% (LOC; Florida Power and Light Co.) (a)  . . . . . . . . . . . . . . . . . . . . . .          4,450,000         4,450,000
</TABLE>

<TABLE>
<CAPTION>
DREYFUS FLORIDA MUNICIPAL MONEY MARKET FUND
- -----------------------------------------------------------------------------

STATEMENT OF INVESTMENTS                        DECEMBER 31, 1998 (UNAUDITED)

                                                                                                  Principal
Tax-Exempt Investments--94.7%                                                                      Amount            Value
- -------------------------------------------------------                                         _____________     _____________
<S>                                                                                            <C>               <C>
Florida (continued)

Jacksonville Electric Authority, Revenue,

  CP 3.25%, 1/6/99 (Liquidity Facility; Morgan Guaranty Trust Co.) . . . . . . . . . . . .     $    4,000,000    $    4,000,000

Jacksonville Health Facilites Authority, VRDN:

  Health Facilites Revenue ( River Garden Project) 3.55% (LOC; First Union Corp.) (a)  . .          2,500,000         2,500,000

  HR, Refunding (Genesis Rehab Hospital) 4.75% (LOC; Bank of America) (a)  . . . . . . . .          7,400,000         7,400,000

Martin County, VRDN (Florida Power and Light Co. Project):

  PCR, Refunding 4.70% (LOC; Florida Power and Light Co. ) (a) . . . . . . . . . . . . . .          1,700,000         1,700,000

  SWDR 4% (LOC; Florida Power and Light Co.) (a) . . . . . . . . . . . . . . . . . . . . .          2,300,000         2,300,000

Miami-Dade County Housing Finance Authority, Single Family Revenue

  3.45%, Series B, 10/1/99 (Insured; FGIC) . . . . . . . . . . . . . . . . . . . . . . . .          2,800,000         2,800,000

Miami-Dade County Industrial Development Authority, IDR, VRDN (Fine Art Lamps
Project)

  4.10%, (LOC; Sun Trust Bank) (a) . . . . . . . . . . . . . . . . . . . . . . . . . . . .          3,000,000         3,000,000

Miami-Dade County School Board, COP 4%, Series C, 8/1/99 (Insured; FSA). . . . . . . . . .          3,750,000         3,771,306

Miami-Dade County School District, TAN 4%, 6/30/99 . . . . . . . . . . . . . . . . . . . .          8,000,000         8,013,411

Orange County Health Facilities Authority, Revenue, VRDN (Adventist Health
Systems/Sunbelt)

  3.90% (LOC; Rabobank Nederland) (a)  . . . . . . . . . . . . . . . . . . . . . . . . . .          5,950,000         5,950,000

Orange County Housing Finance Authority, MFHR:

  (Oakwood Project) 3.55%, 10/1/99 (LOC; Fleet Bank) . . . . . . . . . . . . . . . . . . .          3,400,000         3,400,000

  VRDN:

    (Heather Project) 3.75%, Series B (LOC; FNMA) (a)  . . . . . . . . . . . . . . . . . .         12,400,000        12,400,000

    Refunding (Andover Place Apartments) 4%, Series F (LOC; Bank of America) (a) . . . . .          3,370,000         3,370,000

Palm Beach County, Revenue, VRDN (Jewish Community Campus Corp.)

  4.05% (BPA; Northern Trust Bank and Insured; AMBAC) (a)  . . . . . . . . . . . . . . . .          4,000,000         4,000,000

Palm Beach County Housing Finance Authority, SFMR, Refunding

  3.75%, Series B, 7/1/99 (Insured; FGIC)  . . . . . . . . . . . . . . . . . . . . . . . .          3,000,000         3,000,000

Pinellas County Health Facilites Authority, Revenue, VRDN (Pooled Hospital Loan
Program)

  4.70%, (LOC; Chase Manhattan Bank) (a) . . . . . . . . . . . . . . . . . . . . . . . . .         38,800,000        38,800,000

Pinellas County Housing Finance Authority, SFHR 3.70%, Series B, 2/1/99 (Insured; FGIC). .          2,030,000         2,030,000

Putnam County Development Authority, PCR (Seminole Electric):

  2.85%, Series D, 6/15/99 (LOC; National Rural Utilities Cooperative Finance Corp.) . . .          5,000,000         5,000,000

  3.30%, Series H-4, 3/15/99 (LOC; National Rural Utilities Cooperative Finance Corp.) . .          8,175,000         8,175,000

Saint John's County Housing Finance Authority, MFHR, Refunding, VRDN

 (Anastasia Shores Apartments Project)

  3.30% (LOC; Bank of America) (a) . . . . . . . . . . . . . . . . . . . . . . . . . . . .          3,535,000         3,535,000

Saint Lucie County, VRDN (Florida Power and Light Co. Project):

 PCR, Refunding:

    4%, (LOC; Florida Power and Light Co.) (a) . . . . . . . . . . . . . . . . . . . . . .          8,200,000         8,200,000

    4.70% (LOC; Florida Power and Light Co.) (a) . . . . . . . . . . . . . . . . . . . . .          8,900,000         8,900,000

  SWDR 4% (LOC; Florida Power and Light Co.) (a) . . . . . . . . . . . . . . . . . . . . .          3,000,000         3,000,000

Saint Petersburg, Capital Improvement Revenue, VRDN (Florida International
Museum Project)

  4% (LOC; Sun Trust Bank) (a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .          3,000,000         3,000,000
</TABLE>

<TABLE>
<CAPTION>
DREYFUS FLORIDA MUNICIPAL MONEY MARKET FUND
- -----------------------------------------------------------------------------

STATEMENT OF INVESTMENTS                        DECEMBER 31, 1998 (UNAUDITED)

                                                                                                  Principal
Tax-Exempt Investments--94.7%                                                                      Amount            Value
- -------------------------------------------------------                                         _____________     _____________
<S>                                                                                            <C>               <C>
Florida (continued)

Sarasota County Public Hospital District, HR, CP (Sarasota Memorial Hospital
Project):

  3.05%, 1/20/99 (Liquidity Facility; Sarasota Memorial Hospital)  . . . . . . . . . . . .     $    6,500,000    $    6,500,000

  3.05%, 3/11/99 (Liquidity Facility; Sarasota Memorial Hospital)  . . . . . . . . . . . .          3,000,000         3,000,000

Sunshine State Governmental Financing Commission, Revenue, CP:

  3.15%, Series B, 2/11/99 (Liquidity Facility; Bank of Nova Scotia) . . . . . . . . . . .          7,360,000         7,360,000

  3%, 3/23/99 (Insured; AMBAC and Liquidity Facility: Toronto-Dominion Bank and

    Union Bank of Switzerland) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .          4,000,000         4,000,000

  3.30%, 1/15/99 (Insured; AMBAC and Liquidity Facility; Bank of Nova Scotia)  . . . . . .          4,010,000         4,010,000

  3.55, 1/15/99 (Liquidity Facility; Canadian Imperial Bank of Commerce) . . . . . . . . .          2,500,000         2,500,000

Volusia County Health Facilities Authority, Revenue, VRDN
  (Alliance Community Retirement Living Inc.)

  5.10% (LOC; Rabobank Nederland) (a)  . . . . . . . . . . . . . . . . . . . . . . . . . .          2,905,000         2,905,000

U.S. Related--8.5%

Commonwealth of Puerto Rico:

 Government Development Bank:

    CP 3.20%, 1/8/99 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .          7,000,000         7,000,000

    Refunding, VRDN 3.60% (Insured; MBIA and Liquidity Facility; Credit Suisse) (a)  . . .          6,000,000         6,000,000

  Highway and Transportation Authority, VRDN:

    Highway Revenue 3.60%, Series X (LOC: Landesbank Hessen and Union Bank
       of Switzerland) (a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .          4,475,000         4,475,000

    Transportation Revenue 3.50%, Series A (Insured; AMBAC and Liquidity Facility;

       Bank of Nova Scotia) (a)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .         12,100,000        12,100,000

  TRAN 3.50%, Series A, 7/30/99  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .          4,000,000         4,015,792

Puerto Rico Industrial, Tourist, Educational, Medical and Environmental Control

 Facilities Financing Authority, Higher Education Revenue, VRDN

   (Ana G. Mendez University Systems Project)

    3.75%, Series A (LOC; Banco Popular de Puerto Rico) (a)  . . . . . . . . . . . . . . .          5,000,000         5,000,000
                                                                                                                  _____________

TOTAL INVESTMENTS (cost $428,519,070). . . . . . . . . . . . . . . . . . . . . . . . . . .              94.7%      $428,519,070
                                                                                                      _______     _____________

CASH AND RECEIVABLES (NET) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .               5.3%     $  24,003,706
                                                                                                      _______     _____________

NET ASSETS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .             100.0%      $452,522,776
                                                                                                      _______     _____________
</TABLE>

<TABLE>
<CAPTION>
DREYFUS FLORIDA MUNICIPAL MONEY MARKET FUND
- -----------------------------------------------------------------------------


Summary of Abbreviations
- -----------------------------------------------------------------------------
<S>         <C>                                                     <C>         <C>
AMBAC       American Municipal Bond Assurance Corporation           MFHR        Multi-Family Housing Revenue

BPA         Bond Purchase Agreement                                 PCR         Pollution Control Revenue

COP         Certificate of Participation                            RAN         Revenue Anticipation Notes

CP          Commercial Paper                                        SFHR        Single Family Housing Revenue

FGIC        Financial Guaranty Insurance Company                    SFMR        Single Family Mortgage Revenue

FNMA        Federal National Mortgage Association                   SWDR        Solid Waste Disposal Revenue

FSA         Financial Security Assurance                            TAN         Tax Anticipation Notes

HR          Hospital Revenue                                        TRAN        Tax and Revenue Anticipation Notes

IDR         Industrial Development Revenue                          VRDN        Variable Rate Demand Notes

LOC         Letter of Credit

MBIA        Municipal Bond Investors Assurance

               Insurance Corporation
</TABLE>

<TABLE>
<CAPTION>
Summary of Combined Ratings (Unaudited)
- -----------------------------------------------------------------------------

Fitch                or            Moody's             or            Standard & Poor's              Percentage of Value
____                               ________                          __________________             ____________________
<S>                                <C>                               <C>                                  <C>
F1+/F1                             VMIG1/MIG1, P1                    SP1+/SP1, A1+/A1                     96.5%

AAA/AA (b)                         Aaa/Aa (b)                        AAA/AA (b)                            3.5
                                                                                                        _______
                                                                                                         100.0%
                                                                                                        _______
Notes to Statement of Investments:
</TABLE>
- -----------------------------------------------------------------------------

(a) Securities  payable  on demand. Variable interest rate--subject to periodic
    change.

(b) Notes  which  are not F, MIG or SP rated are represented by bond ratings of
    the issuers.

(c) At  December  31,  1998, the Fund has $123,697,544 (27.3% of net assets) in
    securities  whose  payment  of principal and interest is dependent upon
    revenues generated from health care.

                      SEE NOTES TO FINANCIAL STATEMENTS.

<TABLE>
<CAPTION>
DREYFUS FLORIDA MUNICIPAL MONEY MARKET FUND
- -----------------------------------------------------------------------------

STATEMENT OF ASSETS AND LIABILITIES             DECEMBER 31, 1998 (UNAUDITED)

                                                                                                    Cost              Value
                                                                                                _____________     _____________
<S>                                                                                              <C>               <C>
ASSETS:                          Investments in securities--See Statement of Investments . .     $428,519,070      $428,519,070

                                 Cash  . . . . . . . . . . . . . . . . . . . . . . . . . .                           22,182,877

                                 Interest receivable . . . . . . . . . . . . . . . . . . .                            1,922,672

                                 Prepaid expenses  . . . . . . . . . . . . . . . . . . . .                              108,967

                                                                                                                  _____________

                                                                                                                    452,733,586

                                                                                                                  _____________

LIABILITIES:                     Due to The Dreyfus Corporation and affiliates . . . . . .                               99,100

                                 Accrued expenses and other liabilities  . . . . . . . . .                              111,710

                                                                                                                  _____________

                                                                                                                        210,810

                                                                                                                  _____________

NET ASSETS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .                         $452,522,776

                                                                                                                  _____________


REPRESENTED BY:                  Paid-in capital . . . . . . . . . . . . . . . . . . . . .                         $452,557,210

                                 Accumulated net realized gain (loss) on investments . . .                             (34,434)

                                                                                                                  _____________

NET ASSETS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .                         $452,522,776
                                                                                                                  _____________

SHARES OUTSTANDING

(UNLIMITED NUMBER OF $.001 PAR VALUE SHARES OF BENEFICIAL INTEREST AUTHORIZED) . . . . . .                          452,557,210

NET ASSET VALUE, offering and redemption price per share . . . . . . . . . . . . . . . . .                                $1.00

                                                                                                                         _____


                      SEE NOTES TO FINANCIAL STATEMENTS.
</TABLE>

<TABLE>
<CAPTION>
DREYFUS FLORIDA MUNICIPAL MONEY MARKET FUND
- -----------------------------------------------------------------------------

STATEMENT OF OPERATIONS        SIX MONTHS ENDED DECEMBER 31, 1998 (UNAUDITED)

INVESTMENT INCOME
<S>                                                                                               <C>                <C>
INCOME                           Interest Income . . . . . . . . . . . . . . . . . . . . .                           $3,333,058

EXPENSES:                        Management fee--Note 2(a) . . . . . . . . . . . . . . . .        $   479,955

                                 Shareholder servicing costs--Note 2(b)  . . . . . . . . .             88,520

                                 Registration fees . . . . . . . . . . . . . . . . . . . .             85,392

                                 Professional fees . . . . . . . . . . . . . . . . . . . .             16,354

                                 Trustees' fees and expenses--Note 2(c)  . . . . . . . . .             15,409

                                 Custodian fees  . . . . . . . . . . . . . . . . . . . . .              9,760

                                 Prospectus and shareholders' reports  . . . . . . . . . .              6,764

                                 Miscellaneous . . . . . . . . . . . . . . . . . . . . . .              6,318

                                                                                                   ___________

                                        Total Expenses . . . . . . . . . . . . . . . . . .            708,472

                                 Less--reduction in management fee due to
                                    undertaking--Note 2(a) . . . . . . . . . . . . . . . .            (54,136)

                                                                                                   ___________

                                        Net Expenses . . . . . . . . . . . . . . . . . . .                              654,336

                                                                                                                    ___________

INVESTMENT INCOME--NET, representing net increase in net assets
                                    resulting from operations  . . . . . . . . . . . . . .                           $2,678,722

                                                                                                                    ___________


                      SEE NOTES TO FINANCIAL STATEMENTS.
</TABLE>

<TABLE>
<CAPTION>
DREYFUS FLORIDA MUNICIPAL MONEY MARKET FUND
- -----------------------------------------------------------------------------

STATEMENT OF CHANGES IN NET ASSETS

                                                                                            Six Months Ended
                                                                                           December 31, 1998      Year Ended
                                                                                              (Unaudited)        June 30, 1998
                                                                                           _________________     ______________
<S>                                                                                         <C>                 <C>
OPERATIONS:

  Investment income--net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    $     2,678,722     $     5,335,260

  Net realized gain (loss) from investments  . . . . . . . . . . . . . . . . . . . . . .           --                     (576)

                                                                                              _____________        _____________

    Net Increase (Decrease) in Net Assets Resulting from Operations  . . . . . . . . . .          2,678,722           5,334,684
                                                                                              _____________        _____________

DIVIDENDS TO SHAREHOLDERS FROM:

  Investment income--net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .         (2,678,722)         (5,335,260)
                                                                                              _____________        _____________

BENEFICIAL INTEREST TRANSACTIONS ($1.00 per share):

  Net proceeds from shares sold  . . . . . . . . . . . . . . . . . . . . . . . . . . . .        494,569,235         607,947,067

  Dividends reinvested . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .          2,474,141           4,891,794

  Cost of shares redeemed  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .       (209,443,581)       (592,795,560)
                                                                                              _____________        _____________

    Increase (Decrease) in Net Assets from Beneficial Interest Transactions  . . . . . .        287,599,795          20,043,301
                                                                                              _____________        _____________

       Total Increase (Decrease) in Net Assets . . . . . . . . . . . . . . . . . . . . .        287,599,795          20,042,725

NET ASSETS

  Beginning of Period  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .        164,922,981         144,880,256
                                                                                              _____________        _____________

  End of Period  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .      $ 452,522,776       $ 164,922,981
                                                                                              _____________        _____________


                      SEE NOTES TO FINANCIAL STATEMENTS.
</TABLE>

DREYFUS FLORIDA MUNICIPAL MONEY MARKET FUND
- -----------------------------------------------------------------------------

FINANCIAL HIGHLIGHTS

   Contained  below  is  per  share  operating  performance  data for a share of
Beneficial  Interest outstanding, total investment return, ratios to average net
assets  and  other supplemental data for each period indicated. This information
has been derived from the Fund's financial statements.
<TABLE>
<CAPTION>



                                                      Six Months Ended
                                                      December 31, 1998                    Year Ended June 30,
                                                                                 _____________________________________________

                                                          (Unaudited)        1998      1997       1996       1995      1994(1)
                                                          __________        ______     ______     ______     ______    ______
<S>                                                      <C>              <C>        <C>       <C>        <C>        <C>
PER SHARE DATA:

   Net asset value, beginning of period  . . . . . .     $  1.00          $  1.00    $  1.00   $  1.00    $  1.00    $  1.00
                                                          ______           ______     ______    ______     ______     ______

   Investment Operations:

   Investment income--net  . . . . . . . . . . . . .        .014             .031       .030      .032       .035       .017
                                                          ______           ______     ______    ______     ______     ______

   Distributions:

   Dividends from investment income--net . . . . . .       (.014)           (.031)     (.030)    (.032)     (.035)     (.017)
                                                          ______           ______     ______    ______     ______     ______

   Net asset value, end of period  . . . . . . . . .     $  1.00          $  1.00    $  1.00   $  1.00    $  1.00    $  1.00
                                                          ______           ______     ______    ______     ______     ______

TOTAL INVESTMENT RETURN. . . . . . . . . . . . . . .        2.82%(2)         3.12%      3.05%     3.23%      3.50%      2.50%(2)

RATIOS/SUPPLEMENTAL DATA:

   Ratio of expenses to average net assets . . . . .         .68%(2)          .59%       .57%      .49%       .21%        --

   Ratio of net investment income
       to average net assets . . . . . . . . . . . .        2.79%(2)         3.08%      3.02%     3.19%      3.50%      2.55%(2)

   Decrease reflected in above expense ratios
       due to undertakings by the Manager  . . . . .         .06%(2)          .10%       .20%      .32%       .46%       .79%(2)

   Net Assets, end of period (000's Omitted) . . . .     $452,523         $164,923  $144,880   $141,141   $165,570   $104,182
- -----------------------------

(1)  From October 20, 1993 (commencement of operations) to June 30, 1994.

(2)  Annualized.

                      SEE NOTES TO FINANCIAL STATEMENTS.
</TABLE>

DREYFUS FLORIDA MUNICIPAL MONEY MARKET FUND
- -----------------------------------------------------------------------------

NOTES TO FINANCIAL STATEMENTS (UNAUDITED)

NOTE 1--SIGNIFICANT ACCOUNTING POLICIES:

   Dreyfus  Florida Municipal Money Market Fund (the "Fund") is registered under
the  Investment Company Act of 1940, as amended (the "Act") as a non-diversified
open-end  management  investment  company. The Fund's investment objective is to
provide  investors  with  as  high a level of current income exempt from Federal
income tax as is consistent with the preservation of capital and the maintenance
of  liquidity.  The  Dreyfus  Corporation  (the  "Manager") serves as the Fund's
investment  adviser.  The  Manager  is  a direct subsidiary of Mellon Bank, N.A.
Premier  Mutual  Fund  Services,  Inc.  is the distributor of the Fund's shares,
which are sold to the public without a sales charge.

It is the Fund's policy to maintain a continuous net asset value per share of
$1.00; the Fund has adopted certain investment, portfolio valuation and dividend
and distribution policies to enable it to do so. There is no assurance, however,
that  the  Fund  will  be able to maintain a stable net asset value per share of
$1.00.

   The  Fund' s  financial  statements are prepared in accordance with generally
accepted accounting principles which may require the use of management estimates
and assumptions. Actual results could differ from those estimates.

   (A)  PORTFOLIO  VALUATION:  Investments in securities are valued at amortized
cost, which has been determined by the Fund's Board of Trustees to represent the
fair value of the Fund's investments.

   (B)  SECURITIES  TRANSACTIONS  AND INVESTMENT INCOME: Securities transactions
are  recorded  on a trade date basis. Interest income, adjusted for amortization
of  premiums  and  original  issue  discounts  on  investments,  is  earned from
settlement date and recognized on the accrual basis. Realized gain and loss from
securities  transactions  are  recorded  on  the  identified cost basis. Cost of
investments represents amortized cost. Under the terms of the custody agreement,
the  Fund  received  net  earnings  credits  of  $3,046  during the period ended
December  31,  1998  based  on  available  cash balances left on deposit. Income
earned under this arrangement is included in interest income.

   The  Fund  follows  an  investment policy of investing primarily in municipal
obligations  of  one  state. Economic changes affecting the state and certain of
its  public  bodies  and municipalities may affect the ability of issuers within
the  state to pay interest on, or repay principal of, municipal obligations held
by the Fund.

   (C)  DIVIDENDS  TO  SHAREHOLDERS:  It  is  the  policy of the Fund to declare
dividends  daily  from  investment  income-net. Such dividends are paid monthly.
Dividends from net realized capital gain, if any, are normally declared and paid
annually, but the Fund may make distributions on a more frequent basis to comply
with  the  distribution  requirements  of  the Internal Revenue Code of 1986, as
amended (the "Code"). To the extent that net realized capital gain can be offset
by  capital loss carryovers, it is the policy of the Fund not to distribute such
gain.

(D) FEDERAL INCOME TAXES: It is the policy of the Fund to continue to qualify
as a regulated investment company, which can distribute tax exempt dividends, by
complying  with  the  applicable  provisions  available of the Code, and to make
distributions  of  income and net realized capital gain sufficient to relieve it
from substantially all Federal income and excise taxes.

   The  Fund  has  an  unused  capital  loss  carryover of approximately $35,000
available  for  Federal  income  tax  purposes  to be applied against future net
securities  profits,  if  any,  realized  subsequent  to  June  30, 1998. If not
applied,  $3,000  of  the  carryover  expires in fiscal 2003, $23,000 expires in
fiscal 2004, $3,000 expires in fiscal 2005 and $6,000 expires in fiscal 2006.

At June 30, 1998, the cost of investments for Federal income tax purposes was
substantially  the  same  as  the cost for financial reporting purposes (see the
Statement of Investments).

DREYFUS FLORIDA MUNICIPAL MONEY MARKET FUND
- -----------------------------------------------------------------------------

NOTES TO FINANCIAL STATEMENTS (UNAUDITED) (CONTINUED)

NOTE 2--MANAGEMENT FEE AND OTHER TRANSACTIONS WITH AFFILIATES:

   (A)  Pursuant  to a management agreement with the Manager, the management fee
is computed at an annual rate of
 . 50  of  1%  of the value of the Fund's average daily net assets and is payable
monthly.  The  Manager  had  undertaken through December 31, 1998, to reduce the
management  fee  paid by the Fund to the extent that the Fund's aggregate annual
expenses,   exclusive   of   taxes,   brokerage,   interest  on  borrowings  and
extraordinary  expenses,  exceed an annual rate of .60 of 1% of the value of the
Fund' s  average  daily net assets. The reduction in management fee, pursuant to
the undertaking, amounted to $54,136 during the period ended December 31, 1998.

   (B)  Under the Shareholder Services Plan, the Fund reimburses Dreyfus Service
Corporation,  a  wholly-owned subsidiary of the Manager, an amount not to exceed
an  annual rate of .25 of 1% of the value of the Fund's average daily net assets
for certain allocated expenses of providing personal services and/or maintaining
shareholder  accounts.  The  services  provided  may  include  personal services
relating  to  shareholder  accounts,  such  as  answering  shareholder inquiries
regarding  the  Fund  and  providing reports and other information, and services
related  to  the  maintenance  of  shareholder accounts. During the period ended
December  31,  1998,  the  Fund  was charged $63,271 pursuant to the Shareholder
Services Plan.

   The  Fund compensates Dreyfus Transfer Inc., a wholly-owned subsidiary of the
Manager,   under  a  transfer  agency  agreement  for  providing  personnel  and
facilities  to  perform transfer agency services for the Fund. During the period
ended  December  31, 1998, the Fund was charged $16,525 pursuant to the transfer
agency agreement.

   (C)  Each  trustee  who  is  not an "affiliated person" as defined in the Act
receives from the Fund an annual fee of $1,000 and an attendance fee of $250 per
meeting.  The  Chairman  of  the  Board  receives  an  additional  25%  of  such
compensation and the Trustee Emeritus receives 50% of such compensation.

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                                   [reg.tm logo]

                                   (reg.tm)

DREYFUS FLORIDA MUNICIPAL

MONEY MARKET FUND

200 Park Avenue

New York, NY 10166

MANAGER

The Dreyfus Corporation

200 Park Avenue

New York, NY 10166

CUSTODIAN

The Bank of New York

90 Washington Street

New York, NY 10286

TRANSFER AGENT &

DIVIDEND DISBURSING AGENT

Dreyfus Transfer, Inc.

P.O. Box 9671

Providence, RI 02940









Printed in U.S.A.                                             741SA9812

Florida    Municipal

Money Market

Fund

Semi-Annual

Report

December 31, 1998



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