<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THE FINANCIAL DATA SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE UNAUDITED INTERIM FINANCIAL STATEMENTS OF HORIZON OFFSHORE, INC. AND
SUBSIDIARIES AS OF SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> SEP-30-2000
<CASH> 6,903
<SECURITIES> 0
<RECEIVABLES> 36,907
<ALLOWANCES> 0
<INVENTORY> 2,478
<CURRENT-ASSETS> 60,689
<PP&E> 193,034
<DEPRECIATION> (15,669)
<TOTAL-ASSETS> 241,901
<CURRENT-LIABILITIES> 51,170
<BONDS> 0
0
0
<COMMON> 9,139
<OTHER-SE> 93,280
<TOTAL-LIABILITY-AND-EQUITY> 241,901
<SALES> 108,780
<TOTAL-REVENUES> 108,780
<CGS> 90,848
<TOTAL-COSTS> 97,656
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 5,449
<INCOME-PRETAX> 5,675
<INCOME-TAX> 2,087
<INCOME-CONTINUING> 3,588
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 1,381
<NET-INCOME> 4,969
<EPS-BASIC> 0.26
<EPS-DILUTED> 0.26
</TABLE>