<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF GREATE BAY CASINO CORPORATION AND
SUBSIDIARIES AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<CIK> 0000030117
<NAME> GREATE BAY CASINO CORPORATION
<MULTIPLIER> 1,000

<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000             DEC-31-2000
<PERIOD-START>                             APR-01-2000             JAN-01-2000
<PERIOD-END>                               JUN-30-2000             JUN-30-2000
<CASH>                                           4,370                   4,370
<SECURITIES>                                         0                       0
<RECEIVABLES>                                    1,595                   1,595
<ALLOWANCES>                                        28                      28
<INVENTORY>                                        648                     648
<CURRENT-ASSETS>                                 9,294                   9,294
<PP&E>                                             826                     826
<DEPRECIATION>                                     530                     530
<TOTAL-ASSETS>                                  10,319                  10,319
<CURRENT-LIABILITIES>                           13,439                  13,439
<BONDS>                                         43,455                  43,455
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           519                     519
<OTHER-SE>                                    (47,094)                (47,094)
<TOTAL-LIABILITY-AND-EQUITY>                    10,319                  10,319
<SALES>                                          4,148                   4,865
<TOTAL-REVENUES>                                 4,148                   4,865
<CGS>                                            1,820                   2,090
<TOTAL-COSTS>                                    3,138                   4,182
<OTHER-EXPENSES>                                   866                   1,544
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               1,639                   3,226
<INCOME-PRETAX>                                (1,495)                 (4,087)
<INCOME-TAX>                                        50                    (17)
<INCOME-CONTINUING>                            (1,545)                 (4,070)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   (1,545)                 (4,070)
<EPS-BASIC>                                      (.30)                   (.79)
<EPS-DILUTED>                                    (.30)                   (.79)


</TABLE>