WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000902719
<NAME> THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIPAL TRUST
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> OCT-31-2000
<INVESTMENTS-AT-COST> 23,187,904
<INVESTMENTS-AT-VALUE> 24,660,561
<RECEIVABLES> 364,919
<ASSETS-OTHER> 97,484
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 25,122,964
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 114,158
<TOTAL-LIABILITIES> 114,158
<SENIOR-EQUITY> 8,500,000
<PAID-IN-CAPITAL-COMMON> 15,596,716
<SHARES-COMMON-STOCK> 1,127,093
<SHARES-COMMON-PRIOR> 1,127,093
<ACCUMULATED-NII-CURRENT> 137,192
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (697,759)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,472,657
<NET-ASSETS> 16,508,806
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,406,556
<OTHER-INCOME> 0
<EXPENSES-NET> 196,624
<NET-INVESTMENT-INCOME> 1,209,932
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 438,477
<NET-CHANGE-FROM-OPS> 1,648,409
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,249,664)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 398,745
<ACCUMULATED-NII-PRIOR> 166,077
<ACCUMULATED-GAINS-PRIOR> (697,759)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 87,048
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 196,624
<AVERAGE-NET-ASSETS> 16,167,000
<PER-SHARE-NAV-BEGIN> 14.29
<PER-SHARE-NII> 1.07
<PER-SHARE-GAIN-APPREC> 0.40
<PER-SHARE-DIVIDEND> (1.11)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 14.65
<EXPENSE-RATIO> 1.22
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.00
</TABLE>
