- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 51°34'5"N 4°1'53"W
- Eastings/Northings: 259291, 187437
- OS Grid: SS592874
- Mapcode Local: GBR GW.Z0P3
- Mapcode Global: VH4KG.2VH6
Location and coordinates are for the approximate centre of Caswell Bay within this administrative area.
Geographic features and populated places may cross administrative borders.