| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Amundsen/Bellingshausen Sea | Sea/Bay/Gulf | native | 7659 |
| Antarctic Peninsula | Sea/Bay/Gulf | native | 124196 |
| Antarctica | Sea/Bay/Gulf | native | 7659 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 1891 |
| Bouvet Island | Sea/Bay/Gulf | native | 1891 |
| Channels and Fjords of Southern Chile | Sea/Bay/Gulf | native | 89833 |
| Continental High Antarctic | sea/bay/gulf | native | 3118 |
| Pacific Ocean | Sea/Bay/Gulf | native | 124196 |
| Peter the First Island | Sea/Bay/Gulf | native | 124196 |
| Ross Sea | Sea/Bay/Gulf | native | 124196 |
| South Orkney Islands | Sea/Bay/Gulf | native | 83435 |
| South Shetland Islands | Sea/Bay/Gulf | native | 83435 |
| Southern Ocean | sea/bay/gulf | native | 1891 |
| Strait of Magellan | Sea/Bay/Gulf | native | 1891 |
| Subantarctic Islands | sea/bay/gulf | native | 1891 |
| Weddell Sea | Sea/Bay/Gulf | native | 2020 |