- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 54°48'37"N 5°3'29"W
- Eastings/Northings: 203578, 550451
- OS Grid: NX035504
- Mapcode Local: GBR FHWZ.XJB
- Mapcode Global: WH1RN.8CM6
Location and coordinates are for the approximate centre of Grey Hen Bay within this administrative area.
Geographic features and populated places may cross administrative borders.