- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 50°40'4"N 1°34'38"W
- Eastings/Northings: 429960, 85435
- OS Grid: SZ299854
- Mapcode Local: GBR 67W.408
- Mapcode Global: FRA 77L9.M9V
Location and coordinates are for the approximate centre of Alum Bay within this administrative area.
Geographic features and populated places may cross administrative borders.