<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM MCDERMOTT
INTERNATIONAL'S SEPTEMBER 30, 2000 FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> SEP-30-2000
<CASH> 111,142
<SECURITIES> 34,936
<RECEIVABLES> 263,695
<ALLOWANCES> 47,685
<INVENTORY> 98,018
<CURRENT-ASSETS> 580,317
<PP&E> 1,241,609
<DEPRECIATION> 877,584
<TOTAL-ASSETS> 2,028,494
<CURRENT-LIABILITIES> 643,866
<BONDS> 320,138
62,331
0
<COMMON> 0
<OTHER-SE> 734,346
<TOTAL-LIABILITY-AND-EQUITY> 2,028,494
<SALES> 1,469,960
<TOTAL-REVENUES> 1,469,960
<CGS> 1,445,790
<TOTAL-COSTS> 1,445,790
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 32,672
<INCOME-PRETAX> 13,784
<INCOME-TAX> 10,342
<INCOME-CONTINUING> 3,442
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 3,442
<EPS-BASIC> 0.06
<EPS-DILUTED> 0.06
</TABLE>