**Exhibit 21.1**

 
| **Exact Name of********Subsidiary***                      | ** ** | **State or Other Jurisdiction******** of Incorporation or********Organization** |
|---------------------------------------------------------------------|------------|---------------------------------------------------------------------------------------------------------------|
| General Maritime   Subsidiary Corporation                           |       | Marshall Islands                                                                                              |
| General Maritime   Management LLC                                   |       | Marshall Islands                                                                                              |
| General Maritime   Management (Portugal) LLC                        |       | Marshall Islands                                                                                              |
| General Maritime   Management (Portugal) Limitada                   |       | Portugal                                                                                                      |
| General Maritime   Crewing Pte. Ltd. (Singapore Corporation)        |       | Singapore                                                                                                     |
| Limited “General   Maritime Crewing” (Russia Corporation) |       | Russia                                                                                                        |
| GMR Agamemnon   LLC                                                 |       | Liberia                                                                                                       |
| GMR Ajax LLC                                                        |       | Liberia                                                                                                       |
| GMR Alexandra   LLC                                                 |       | Marshall Islands                                                                                              |
| GMR Argus LLC                                                       |       | Marshall Islands                                                                                              |
| GMR Chartering   LLC                                                |       | United States   (New York)                                                                                    |
| GMR Constantine   LLC                                               |       | Liberia                                                                                                       |
| GMR Daphne LLC                                                      |       | Marshall Islands                                                                                              |
| GMR Defiance LLC                                                    |       | Liberia                                                                                                       |
| GMR Elektra LLC                                                     |       | Marshall Islands                                                                                              |
| GMR George T LLC                                                    |       | Marshall Islands                                                                                              |
| GMR Gulf LLC                                                        |       | Marshall Islands                                                                                              |
| GMR Harriet G.   LLC                                                |       | Liberia                                                                                                       |
| GMR Hope LLC                                                        |       | Marshall Islands                                                                                              |
| GMR Horn LLC                                                        |       | Marshall Islands                                                                                              |
| GMR Kara G LLC                                                      |       | Liberia                                                                                                       |
| GMR Minotaur LLC                                                    |       | Liberia                                                                                                       |
| GMR Orion LLC                                                       |       | Marshall Islands                                                                                              |
| GMR Phoenix LLC                                                     |       | Marshall Islands                                                                                              |
| GMR Princess LLC                                                    |       | Liberia                                                                                                       |
| GMR Progress LLC                                                    |       | Liberia                                                                                                       |
| GMR Revenge LLC                                                     |       | Liberia                                                                                                       |
| GMR St. Nikolas   LLC                                               |       | Marshall Islands                                                                                              |
| GMR Spyridon LLC                                                    |       | Marshall Islands                                                                                              |
| GMR Strength LLC                                                    |       | Liberia                                                                                                       |
| Arlington   Tankers Ltd.                                            |       | Bermuda                                                                                                       |
| Vision Ltd.                                                         |       | Bermuda                                                                                                       |
| Victory Ltd.                                                        |       | Bermuda                                                                                                       |
| Companion Ltd.                                                      |       | Bermuda                                                                                                       |
| Compatriot Ltd.                                                     |       | Bermuda                                                                                                       |
| Concord Ltd.                                                        |       | Bermuda                                                                                                       |
| Consul Ltd.                                                         |       | Bermuda                                                                                                       |
| Concept Ltd.                                                        |       | Bermuda                                                                                                       |
| Contest Ltd.                                                        |       | Bermuda                                                                                                       |
| General Maritime   Subsidiary II Corporation                        |       | Marshall Islands                                                                                              |
| GMR Zeus LLC                                                        |       | Marshall Islands                                                                                              |
| GMR Maniate LLC                                                     |       | Marshall Islands                                                                                              |
| GMR Spartiate   LLC                                                 |       | Marshall Islands                                                                                              |
| GMR Ulysses LLC                                                     |       | Marshall Islands                                                                                              |
| GMR Atlas LLC                                                       |       | Marshall Islands                                                                                              |
| GMR Hercules LLC                                                    |       | Marshall Islands                                                                                              |
| GMR Poseidon LLC                                                    |       | Marshall Islands                                                                                              |

 

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*****The address of the principal executive office of each subsidiary is c/o General Maritime Corporation, 299 Park Avenue, New York, NY 10171.

 

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