- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 51°23'4"N 1°17'34"E
- Eastings/Northings: 629214, 170220
- OS Grid: TR292702
- Mapcode Local: GBR VYJ.3NG
- Mapcode Global: VHLG5.CG9B
Location and coordinates are for the approximate centre of Grenham Bay within this administrative area.
Geographic features and populated places may cross administrative borders.