EXHIBIT 21

LIST OF SUBSIDIARIES

NAME	STATE OR JURISDICTION OF INCORPORATION	PERCENTAGE OF VOTING SECURITIES OWNED
1. Gulf Fleet Abu Dhabi	Abu Dhabi	49	%
2. Tidewater Marine Alaska, Inc.	Alaska	100	%
3. Pacific Tidewater Pty. Ltd.	Australia	100	%
4. Tidewater Australia Pte. Ltd.	Australia	100	%
5. Tidewater Marine Australia Pty Ltd	Australia	100	%
6. Tidewater Marine West Indies Limited	Bahama Islands	100	%
7. Tidewater Foreign Sales Corporation	Barbados	100	%
8. Pental Insurance Co. Ltd.	Bermuda	100	%
9. Mare Alta do Brasil Navegacao Ltda.	Brazil	100	%
10. OSA do Brasil Representações Ltda.	Brazil	100	%
11. Pan Marine do Brasil Ltda.	Brazil	100	%
12. Mashhor Marine Sdn. Bhd.	Brunei	70	%
13. Gulf Fleet Middle East Limited	Cayman Islands	100	%
14. International Maritime Services, Inc.	Cayman Islands	100	%
15. Jackson Marine Limited	Cayman Islands	100	%
16. Pan Marine International, Inc.	Cayman Islands	100	%
17. Sonatide Marine Services, Ltd.	Cayman Islands	49	%
18. Sonatide Marine, Ltd.	Cayman Islands	49	%
19. Tidewater Assets Limited	Cayman Islands	100	%
20. Tidewater Crewing Limited	Cayman Islands	100	%
21. Tidewater Hulls Limited	Cayman Islands	100	%
22. Tidewater Maritime Limited	Cayman Islands	100	%
23. Tidewater Properties Limited	Cayman Islands	100	%
24. Tidewater Ships Limited	Cayman Islands	100	%
25. Tidewater Vessels Limited	Cayman Islands	100	%
26. Tidewater Boats Limited	Cayman Islands	100	%
27. VTG Ships Limited	Cayman Islands	100	%
28. Compania Marítima de Magallanes Limitada	Chile	100	%
29. Cajun Acquisitions, LLC.	Delaware	100	%
30. Tidewater Offshore (GP-1984), Inc.	Delaware	100	%
31. Al Wasl Marine LLC	Dubai	49	%
32. Fairway Personnel Services Limited	England	100	%
33. Tidewater Marine North Sea Limited	England	100	%
34. Tidewater (India) Private Limited	India	100	%
35. PT Tidewater Operators Indonesia	Indonesia	95	%
36. Hornbeck Shipping Limited	Isle of Man	100	%
37. Hornbeck Support Ships Limited	Isle of Man	100	%
38. Tidewater Marine Kazakhstan, L.L.P.	Kazakhstan	100	%
39. VTG Supply Boat Liberia Inc.	Liberia	100	%
40. Candies Tidewater Joint Venture, L.L.C.	Louisiana	50	%
41. Gulf Fleet Supply Vessels, L.L.C.	Louisiana	100	%
42. Jackson Marine, L.L.C.	Louisiana	100	%
43. Java Boat Corporation	Louisiana	100	%
44. Point Marine, L.L.C.	Louisiana	100	%
45. Quality Shipyards, L.L.C.	Louisiana	100	%
46. S.O.P., Inc.	Louisiana	100	%
47. Seafarer Boat, L.L.C.	Louisiana	100	%
48. T. Benetee L.L.C.	Louisiana	100	%
49. Tidewater Marine Sakhalin, L.L.C.	Louisiana	100	%
50. Tidewater Marine Service, L.L.C.	Louisiana	100	%
51. Tidewater Marine, L.L.C.	Louisiana	100	%
52. TT Boat Corporation	Louisiana	100	%
53. Twenty Grand (Brazil), L.L.C.	Louisiana	100	%
54. Twenty Grand Marine Service, L.L.C.	Louisiana	100	%
55. Twenty Grand Offshore, L.L.C.	Louisiana	100	%

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NAME	STATE OR JURISDICTION OF INCORPORATION	PERCENTAGE OF VOTING SECURITIES OWNED
56. Zapata Gulf Marine L.L.C.	Louisiana	100	%
57. Zapata Gulf Marine Operators, L.L.C.	Louisiana	100	%
58. Zapata Gulf Pacific, L.L.C.	Louisiana	100	%
59. Solo Fleet Sdn. Bhd.	Malaysia	100	%
60. Solo Fleet Two Sdn. Bhd.	Malaysia	100	%
61. Solo Support Sdn. Bhd.	Malaysia	100	%
62. Tidewater Marine Service (M) Sdn. Bhd.	Malaysia	100	%
63. Tidewater Offshore Sdn Bhd	Malaysia	49	%
64. Vista Merge Sdn Bhd.	Malaysia	100	%
65. Logistica Mexicana del Caribe, S. de R.L. de C.V.	Mexico	100	%
66. Servicios Costa Afuera de Mexico, S. de R.L. de C.V	Mexico	100	%
67. Tidewater de Mexico, S.A. de C.V.	Mexico	49	%
68. Java Boat Corporation B.V.	Netherlands	100	%
69. Phoenix Tide Offshore Nigeria B.V	Netherlands	100	%
70. Gulf Fleet N.V.	Netherlands Antilles	100	%
71. Hilliard Oil & Gas, Inc.	Nevada	100	%
72. Niugini Offshore Services Joint Venture (unincorporated)	New Guinea	50	%
73. O.I.L. (Nigeria) Limited	Nigeria	82.1	%
74. Tidex Nigeria Limited	Nigeria	60	%
75. Zapata Marine Service (Nigeria) Limited	Nigeria	100	%
76. Global Panama Marine Service, Inc.	Panama	100	%
77. Tidewater Marine International, Inc.	Panama	100	%
78. Sakhalin Holding, L.L.C.	Russia	100	%
79. Sakhalin Offshore Marine, L.L.C.	Russia	100	%
80. Southern Ocean Services Pte. Ltd.	Singapore	100	%
81. Tidewater Marine International Pte. Ltd.	Singapore	100	%
82. Tidewater Marine Western, Inc.	Texas	100	%
83. Divetide Limited	Thailand	49	%
84. Antilles Marine Service Limited	Trinidad & Tobago	50	%
85. Provident Marine Ltd.	Turks & Caicos	50	%
86. Offshore Pacific Pty. Ltd.	Vanuatu	100	%
87. Tidewater Marine Indonesia Limited	Vanuatu	80	%
88. Tidewater Marine Vanuatu Limited	Vanuatu	100	%
89. Zapata Gulf Marine International Limited	Vanuatu	100	%
90. Equipo Mara, C.A.	Venezuela	19.9	%
91. Equipo Zulia, C.A.	Venezuela	100	%
92. Remolcadores y Gabarras Remigasa, S.A.	Venezuela	19.9	%
93. Tidewater Caribe, C.A.	Venezuela	100	%
94. Tidewater Marine Service, C.A. (SEMARCA)	Venezuela	100	%

NOTE: The Company has elected to exclude certain subsidiaries that do not constitute a “Significant Subsidiary” as set forth in Section 601(b)(21) of Regulation S-K.

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