- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 50°20'16"N 3°32'2"W
- Eastings/Northings: 290919, 49782
- OS Grid: SX909497
- Mapcode Local: GBR QW.59KM
- Mapcode Global: FRA 38H4.LZ2
Location and coordinates are for the approximate centre of Old Mill Bay within this administrative area.
Geographic features and populated places may cross administrative borders.