| island | name | image | type | Area (m²) | Depth (m) | Height (m) | continent | waterbody | latitude (°) | Length (m) | longitude (°) | volume (m³) | Width (m) | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blanca Bay | Estuary | Atlantic Ocean | -39.0499992371 | -62.0666656494 | Map | |||||||||
| Estuario del Sado |  | Estuary | Europe | Atlantic Ocean | 38.4500007629 | 25,000 | -8.9166669846 | 10,000 | Map | |||||
| Gironde estuary |  | Estuary | 635,000,000 | Europe | Atlantic Ocean | 45.5833320618 | 65,000 | -1.0333333015 | 11,000 | Map | ||||
| Aveiro Lagoon |  | Ria | 111,000,000 | Europe | Atlantic Ocean | 40.5833320618 | 45,000 | -8.7333335876 | 11,000 | Map | ||||
| Drygalski Fjord |  | Fiord | Atlantic Ocean | -54.8166656494 | 11,000 | -36.0000000000 | 1,600 | Map |