<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
The schedule contains summary financial information extracted from Nantucket
Island Associates Limited Partnership and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 5,746,000
<SECURITIES> 0
<RECEIVABLES> 60,000
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 6,124,000
<PP&E> 25,052,000
<DEPRECIATION> (7,663,000)
<TOTAL-ASSETS> 25,045,000
<CURRENT-LIABILITIES> 2,201,000
<BONDS> 18,729,000
0
0
<COMMON> 0
<OTHER-SE> 4,236,000
<TOTAL-LIABILITY-AND-EQUITY> 25,045,000
<SALES> 0
<TOTAL-REVENUES> 3,568,000
<CGS> 0
<TOTAL-COSTS> 1,958,000
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 1,276,000
<INCOME-PRETAX> 670,000
<INCOME-TAX> 0
<INCOME-CONTINUING> 670,000
<DISCONTINUED> 0
<EXTRAORDINARY> (92,000)
<CHANGES> 0
<NET-INCOME> 578,000
<EPS-BASIC> 541.40
<EPS-DILUTED> 541.40<F1>
<FN>
<F1>Includes ($110.83) extraordinary loss on extinguishment of debt.
</FN>
</TABLE>