Exhibit 21

OMI
      Corporation Subsidiaries as of March 28, 2003

(All subsidiaries are 100% owned directly or
      indirectly except as indicated)

|COMPANY                                   | JURISDICTION    
|----------------------------------------- | ----------------
|                                          |                 
|Alliance Chartering LLC (50%)             | Marshall Islands
|Alma Shipping LLC                         | Marshall Islands
|Amazon Shipping LLC                       | Marshall Islands
|Amazon Transport Inc.                     | Liberia         
|Ashley Shipping LLC                       | Marshall Islands
|Bandar Ayu Shipping LLC                   | Marshall Islands
|Charente Shipping LLC                     | Marshall Islands
|Colorado Shipping LLC                     | Marshall Islands
|Columbia Shipping LLC                     | Marshall Islands
|Dakota Shipping LLC                       | Marshall Islands
|Danube Shipping LLC                       | Marshall Islands
|Delaware Shipping LLC                     | Marshall Islands
|Elbe Shipping LLC                         | Delaware, USA   
|Elbe Shipping LLC                         | Marshall Islands
|Garonne Shipping LLC                      | Marshall Islands
|Guadalupe Shipping LLC                    | Marshall Islands
|International Product Carriers LLC (50%)  | Delaware, USA   
|International Product Carriers Ltd. (50%) | Bermuda         
|Isere Shipping LLC                        | Marshall Islands
|Laurel Shipping LLC                       | Marshall Islands
|Limar Shipping LLC                        | Marshall Islands
|Loire Shipping LLC                        | Marshall Islands
|Madison Shipping LLC                      | Marshall Islands
|Marne Shipping LLC                        | Marshall Islands
|Mendala II Transport Inc.                 | Liberia         
|Moselle Shipping LLC                      | Marshall Islands
|Neches Shipping LLC                       | Marshall Islands
|Nile Shipping LLC                         | Marshall Islands
|Ohio Shipping LLC                         | Marshall Islands
|OMI Marine Services LLC                   | Delaware, USA   
|OMI Promise Transport, Inc.               | Liberia         
|Orontes Shipping LLC                      | Marshall Islands
|Orontes Shipping Ltd.                     | Malta           
|Ottawa Shipping LLC                       | Marshall Islands
|Pagoda Shipping LLC                       | Marshall Islands
|Patricia Shipping LLC                     | Marshall Islands
|Paulina Shipping LLC                      | Marshall Islands
|Pecos Shipping LLC                        | Marshall Islands
|Racer Shipping LLC                        | Marshall Islands
|Radiance Shipping LLC                     | Marshall Islands
|Rain Shipping LLC                         | Marshall Islands
|Rhone Shipping LLC                        | Marshall Islands
|Roanoke Shipping LLC                      | Marshall Islands
|Rosetta Shipping LLC                      | Marshall Islands
|Ruby Shipping LLC                         | Marshall Islands
|Sabine Shipping LLC                       | Marshall Islands
|                                          |                 
|                                          |                 
|                                          |                 

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|COMPANY                   | JURISDICTION    
|------------------------- | ----------------
|                          |                 
|Sacramento Shipping LLC   | Marshall Islands
|San Jacinto Shipping LLC  | Marshall Islands
|Seine Shipping LLC        | Marshall Islands
|Settebello Shipping LLC   | Liberia         
|Severn Shipping LLC       | Marshall Islands
|Shannon Shipping LLC      | Delaware, USA   
|Shannon Shipping LLC      | Marshall Islands
|Somjin Shipping LLC       | Marshall Islands
|Soyang Shipping LLC       | Marshall Islands
|Tamar Shipping LLC        | Marshall Islands
|Tandjung Ayu Shipping LLC | Marshall Islands
|Tiber Shipping LLC        | Marshall Islands
|Trent Shipping LLC        | Marshall Islands
|Trinity Shipping LLC      | Marshal Islands 
|UBC Chartering Ltd.       | Liberia         
|Volga Shipping LLC        | Marshall Islands

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