- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 54°43'2"N 4°21'19"W
- Eastings/Northings: 248374, 538372
- OS Grid: NX483383
- Mapcode Local: GBR HJM7.FNJ
- Mapcode Global: WH3VN.2P7F
Location and coordinates are for the approximate centre of Cairnhead Bay within this administrative area.
Geographic features and populated places may cross administrative borders.