EXHIBIT 21.1
 SUBSIDIARIES
 Direct Ownership and
    
    Jurisdiction ofCompany
    
    Percentage Ownership
    
    OrganizationTrico Marine Assets, Inc.
    
    100% owned by Parent
    
    DelawareTrico Marine International, Inc.
    
    100% owned by Trico
Marine Assets, Inc.
    
    LouisianaTrico Marine Assets, LLC
    
    100% owned by Trico
Marine Assets, Inc.
    
    DelawareTrico 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 Holdings International 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 Parent
    
    Mexico




---



##### 



Direct Ownership and
    
    Jurisdiction ofCompany
    
    Percentage Ownership
    
    OrganizationTrico 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
    
    NorwayDeepOcean 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
    
    NorwayDeepOcean Volstad AS
    
    51% owned by Trico
Shipping AS
    
    NorwayDeepOcean Volstad KS
    
    45.9% owned by Trico
Shipping AS and 10% owned
by DeepOcean Volstad AS
(5.1% indirect ownership)
    
    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 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
    
    Mexico




---



##### 



Direct Ownership and
    
    Jurisdiction ofCompany
    
    Percentage Ownership
    
    OrganizationServicios 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
    
    UKDeepOcean UK Ltd.
    
    100% owned by DeepOcean
Subsea Services Ltd.
    
    UKDeepOcean BV
    
    100% owned by DeepOcean
Maritime AS
    
    NetherlandsDeepOcean Brasil Servicos Ltda.
    
    100% owned by DeepOcean AS
    
    BrazilCTC Marine Projects Ltd.
    
    100% owned by DeepOcean AS
    
    UKCTC 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