<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

                             
<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
<PREFERRED-MANDATORY>                           62,331
<PREFERRED>                                          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