| island | name | image | type | Area (m²) | Depth (m) | Height (m) | continent | waterbody | latitude (°) | Length (m) | longitude (°) | volume (m³) | Width (m) | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deba River |  | Ria | 2 | Cantabrian sea | 43.3666648865 | 64,000 | -4.5166668892 | Map | ||||||
| Ría de Limpias |  | Ria | Europe | Cantabrian sea | 43.4444444444 | -3.4777777778 | Map | |||||||
| Ría de Oriñón |  | Ria | Europe | Cantabrian sea | 43.4000000000 | -3.3166700000 | Map | |||||||
| Ría de Ortigueira y Ladrido |  | Ria | 29,040,000 | Europe | Cantabrian sea | 43.7333335876 | 10,000 | -7.8166666031 | Map | |||||
| Ría de Ribadeo |  | Ria | Europe | Cantabrian sea | 43.5166664124 | 10,000 | -7.0166668892 | 600 | Map |