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.	Barrow Marine Towing Pty. Ltd	Australia		57.5	%
4.	Pacific Tidewater Pty. Ltd.	Australia		100	%
5.	Tidewater Marine Australia Pty Ltd	Australia		100	%
6.	Tidewater Marine West Indies Limited	Bahama Islands		100	%
7.	Tidewater Investment SRL	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.	Aqua Fleet Limited	Cayman Islands		100	%
14.	Arabia Shipping Limited	Cayman Islands		100	%
15.	Blue Fleet Limited	Cayman Islands		100	%
16.	Crimson Fleet Limited	Cayman Islands		100	%
17.	Gold Fleet Limited	Cayman Islands		100	%
18.	Green Fleet Limited	Cayman Islands		100	%
19.	Grey Fleet Limited	Cayman Islands		100	%
20.	Gulf Fleet Middle East Limited	Cayman Islands		100	%
21.	Indigo Fleet Limited	Cayman Islands		100	%
22.	International Maritime Services, Inc	Cayman Islands		100	%
23.	Jackson Marine Limited	Cayman Islands		100	%
24.	LNG Marine Towing Cayman Limited	Cayman Islands		57.5	%
25.	LNG Marine Towing Cayman L.P	Cayman Islands		57.5	%
26.	Maroon Fleet Limited	Cayman Islands		100	%
27.	Middle East Ships Limited	Cayman Islands		100	%
28.	Orange Fleet Limited	Cayman Islands		100	%
29.	Pan Marine International, Inc.	Cayman Islands		100	%
30.	Platinum Fleet Limited	Cayman Islands		100	%
31.	Purple Fleet Limited	Cayman Islands		100	%
32.	Silver Fleet Limited	Cayman Islands		100	%
33.	Sonatide Marine Services, Ltd.	Cayman Islands		49	%
34.	Sonatide Marine, Ltd.	Cayman Islands		49	%
35.	Tidewater Assets Limited	Cayman Islands		100	%
36.	Tidewater Boats Limited	Cayman Islands		100	%
37.	Tidewater Crewing Limited	Cayman Islands		100	%
38.	Tidewater Hulls Limited	Cayman Islands		100	%
39.	Tidewater Marine International, Inc.	Cayman Islands		100	%
40.	Tidewater Marine U.K. Limited	Cayman Islands		100	%
41.	Tidewater Maritime Limited	Cayman Islands		100	%
42.	Tidewater Properties Limited	Cayman Islands		100	%
43.	Tidewater Ships Limited	Cayman Islands		100	%
44.	Tidewater Vessels Limited	Cayman Islands		100	%
45.	Vermilion Fleet Limited	Cayman Islands		100	%
46.	Violet Fleet Limited	Cayman Islands		100	%
47.	VTG Ships Limited	Cayman Islands		100	%
48.	Yellow Fleet Limited	Cayman Islands		100	%
49.	Zapata Gulf Marine International Limited	Cayman Islands		100	%
50.	Compania Marítima de Magallanes Limitada	Chile		100	%
51.	Tidewater Marine Technical Services (Shenzhen) Co., Ltd	China		100	%
52.	LNG Marine Towing N.V	Curacao		57.5	%
53.	DTDW Holdings Limited	Cyprus		100	%

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	NAME	STATE OR JURISDICTION OF INCORPORATION	PERCENTAGE OF VOTING SECURITIES OWNED
54.	Tidewater Cyprus Limited	Cyprus		100	%
55.	Vesselogistics Limited	Cyprus		100	%
56.	Cajun Acquisitions, LLC	Delaware		100	%
57.	Tidewater Corporate Services, L.L.C	Delaware		100	%
58.	Tidewater Mexico Holding, L.L.C	Delaware		100	%
59.	Tidewater Offshore (GP-1984), Inc.	Delaware		100	%
60.	Tidewater Venture, Inc	Delaware		100	%
61.	Al Wasl Marine LLC	Dubai		49	%
62.	Tidewater Marine North Sea Limited	England		100	%
63.	Tidewater Support Services Limited	England		100	%
64.	Tidewater (India) Private Limited	India		100	%
65.	PT Tidewater Operators Indonesia	Indonesia		95	%
66.	Tidewater Marine Kazakhstan, L.L.P.	Kazakhstan		100	%
67.	Offshore Marine Inc	Labuan		49	%
68.	Offshore Labuan Leasing Inc	Labuan		100	%
69.	VTG Supply Boat Liberia Inc.	Liberia		100	%
70.	Gulf Fleet Supply Vessels, L.L.C.	Louisiana		100	%
71.	Java Boat Corporation	Louisiana		100	%
72.	Point Marine, L.L.C.	Louisiana		100	%
73.	Quality Shipyards, L.L.C. .	Louisiana		100	%
74.	S.O.P., Inc.	Louisiana		100	%
75.	Tidewater Marine Sakhalin, L.L.C.	Louisiana		100	%
76.	Tidewater Marine, L.L.C.	Louisiana		100	%
77.	Twenty Grand (Brazil), L.L.C	Louisiana		100	%
78.	Twenty Grand Marine Service, L.L.C.	Louisiana		100	%
79.	Twenty Grand Offshore, L.L.C.	Louisiana		100	%
80.	Zapata Gulf Marine L.L.C.	Louisiana		100	%
81.	Tidewater Marine Service (M) Sdn. Bhd.	Malaysia		100	%
82.	Tidewater Offshore Sdn Bhd	Malaysia		49	%
83.	Arrendadora de Naves del Golfo, S.A. de C.V., SOFOM, ENR	Mexico		100	%
84.	Logistica Mexicana del Caribe, S. de R.L. de C.V.	Mexico		100	%
85.	Naviera Tidex, S. de R.L. de C.V	Mexico		49	%
86.	Servicios Costa Afuera de Mexico, S. de R.L. de C.V	Mexico		100	%
87.	Tidewater de Mexico, S. de R.L. de C.V.	Mexico		99	%
88.	DTDW Marine Services B.V	Netherlands		40	%
89.	Java Boat Corporation B.V.	Netherlands		100	%
90.	LNG Marine Towing International Cooperatief U.A	Netherlands		57.5	%
91.	Tidewater Dutch Holdings Cooperatief U.A	Netherlands		100	%
92.	Tidewater Investment Cooperatief U.A	Netherlands		100	%
93.	Gulf Fleet N.V.	Netherlands Antilles		100	%
94.	Hilliard Oil & Gas, Inc.	Nevada		100	%
95.	O.I.L. (Nigeria) Limited	Nigeria		82.1	%
96.	Tideflo Marine Services Limited	Nigeria		40	%
97.	Tidex Nigeria Limited	Nigeria		60	%
98.	Zapata Marine Service (Nigeria) Limited	Nigeria		100	%
99.	Global Panama Marine Service, Inc	Panama		100	%
100.	Niugini Offshore Services Joint Venture	Papua New Guinea		40	%
101.	Sakhalin Holding, L.L.C.	Russia		100	%
102.	Sakhalin Offshore Marine, L.L.C.	Russia		100	%
103.	Tidewater Al Rushaid Co. Ltd	Saudi Arabia		50	%
104.	SEA Maritime Services Pte. Ltd	Singapore		100	%
105.	Southern Ocean Services Pte. Ltd.	Singapore		100	%
106.	Tidewater Marine Charter Services Pte. Ltd	Singapore		100	%
107.	Tidewater Marine International Pte. Ltd.	Singapore		100	%
108.	Tidewater Marine Western, Inc.	Texas		100	%
109.	Divetide Limited	Thailand		49	%

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	NAME	STATE OR JURISDICTION OF INCORPORATION	PERCENTAGE OF VOTING SECURITIES OWNED
110.	Antilles Marine Service Limited	Trinidad & Tobago		50	%
111.	Provident Marine Ltd.	Turks & Caicos		50	%
112.	Tidewater Marine Indonesia Limited	Vanuatu		80	%
113.	Tidewater Marine Vanuatu Limited	Vanuatu		100	%
114.	Equipo Mara, C.A.	Venezuela		19.9	%
115.	Tidewater Caribe, C.A.	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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