EXHIBIT 21.1
 SUBSIDIARIES
 Direct Ownership and Percentage
    
    Jurisdiction ofCompany
    
    Ownership
    
    OrganizationTrico Marine Assets, Inc.
    
    100% owned by Parent
    
    DelawareTrico Marine International, Inc.
    
    100% owned by Trico Marine
Assets, Inc.
    
    LouisianaTrico Marine Services (Hong Kong) Limited
    
    100% owned by Trico Marine
Assets, Inc.
    
    Hong KongEastern Marine Services Limited
    
    49% owned by Trico Marine
Services (Hong Kong) Limited
and 51% owned by COSL-Hong
Kong Limited
    
    Hong KongTrico Marine International, Ltd.
    
    100% owned by Parent
    
    Cayman IslandsTrico Marine International Holdings B.V.
    
    100% owned by Parent
    
    NetherlandsTrico International Holdings B.V.
    
    100% owned by Parent
    
    NetherlandsTrico Marine Operators, Inc.
    
    100% owned by Parent
    
    LouisianaTrico Servicos Maritimos Ltda.
    
    85.16% owned by Parent and
14.84% owned by Trico Marine
Operators, Inc.
    
    BrazilCoastal Inland Marine Services Ltd.
    
    99.99% owned by Parent and
0.01% owned by Trico Marine
Operators, Inc.
    
    NigeriaServicios de Apoyo Maritimo de Mexico, S. de
R.L. de CV.
    
    99.97% owned by Parent and
0.03% owned by Trico Marine
Operators, Inc.
    
    MexicoNaviera Mexicana de Servicios, S. de R.L de CV.
    
    51% owned by Compania Maritima
Mexicana de Servicios de Apoya
a la Investigacion Cientifica,
S.A. de C.V. and 49% owned by
Trico Marine Operators, Inc.
    
    MexicoTrico Holdco LLC
    
    100% owned by Parent
    
    DelawareTrico Marine Cayman, LP
    
    Trico  Holdco, LLC (GP-1%) and
Parent (LP-99)%
    
    Cayman IslandsTrico Supply AS
    
    100% owned by Trico Marine
Cayman, LP
    
    NorwayTrico Shipping AS
    
    100% owned by Trico Supply AS
    
    NorwayTrico Subsea Holding AS
    
    100% owned by Trico Shipping AS
    
    NorwayTrico Subsea AS
    
    100% owned by Trico Subsea
Holdings AS
    
    NorwayTrico Subsea Cayman, Ltd.
    
    100% owned by Trico Supply AS
    
    Cayman Islands




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Direct Ownership and Percentage
    
    Jurisdiction ofCompany
    
    Ownership
    
    OrganizationDeepOcean Shipping AS
    
    100% owned by Trico Shipping AS
    
    NorwayDeepOcean Shipping II AS
    
    100% owned by Trico Shipping AS
    
    NorwayDeepOcean Shipping III AS
    
    100% owned by Trico Shipping AS
    
    NorwayTrico Supply (UK) Limited
    
    100% owned by Trico Supply AS
    
    England and WalesAlbyn Marine Limited
    
    100% owned by Trico Supply
(UK) Limited
    
    ScotlandDeepOcean AS
    
    100% owned by Trico Supply
    
    NorwayDeepOcean Management AS
    
    100% owned by DeepOcean AS
    
    NorwayDeepOcean de Mexico, S. de R.L. de CV.
    
    99% owned by DeepOcean AS and
1% owned by DeepOcean
Management AS
    
    MexicoServicios Profesionales de Apoya
Especializado, S. de R.L. de CV.
    
    99% owned by DeepOcean de
Mexico, S. de R.L. de CV. and
1% owned by DeepOcean
Management AS
    
    MexicoServicios de Soporte Profesional
Administrativo, S. de R.L. de CV.
    
    99% owned by DeepOcean de
Mexico, S. de R.L. de CV. and
1% owned by DeepOcean
Management AS
    
    MexicoDeepOcean Maritime AS
    
    100% owned by DeepOcean AS
    
    NorwayDeepOcean Subsea Services Ltd.
    
    100% owned by DeepOcean
Maritime AS
    
    England and WalesDeepOcean UK Ltd.
    
    100% owned by DeepOcean Subsea
Services Ltd.
    
    UKDeepOcean BV
    
    100% owned by DeepOcean
Maritime AS
    
    NetherlandsDeepOcean Brasil Servicos Ltda.
    
    99% owned by DeepOcean AS and
1% owned by DeepOcean Maritime
AS
    
    BrazilCTC Marine Projects Ltd.
    
    100% owned by DeepOcean AS
    
    England and WalesCTC Marine Projects (Guernsey) Ltd.
    
    100% owned by CTC Marine
Projects Ltd.
    
    GuernseyCTC Marine Norway AS
    
    100% owned by CTC Marine
Projects Ltd.
    
    NorwaySubseasenteret Haugesund AS
    
    50% owned by DeepOcean AS
    
    Norway