- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 56°29'54"N 5°34'0"W
- Eastings/Northings: 180571, 739732
- OS Grid: NM805397
- Mapcode Local: GBR DCMJ.YRX
- Mapcode Global: WH0FY.GXDM
Location and coordinates are for the approximate centre of Achadun Bay within this administrative area.
Geographic features and populated places may cross administrative borders.