| Island | |
| Name | Bristol Channel |
| Image |  |
| Type | Estuary |
| Area (m²) | |
| Depth (m) | 50 |
| Height (m) | |
| Continent | Europe |
| Waterbody | Celtic Sea |
| Latitude (°) | 51.2999992371 |
| Length (m) | 135,000 |
| Longitude (°) | -3.6166665554 |
| Volume (m³) | |
| Width (m) | 50,000 |
| countries - estuary1 Relations |