- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 51°43'59"N 5°16'43"W
- Eastings/Northings: 173693, 208908
- OS Grid: SM736089
- Mapcode Local: GBR G1.0TS7
- Mapcode Global: VH0V5.GP5S
Location and coordinates are for the approximate centre of Castle Bay within this administrative area.
Geographic features and populated places may cross administrative borders.