- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 56°36'55"N 6°3'33"W
- Eastings/Northings: 151035, 754432
- OS Grid: NM510544
- Mapcode Local: GBR CCF7.79K
- Mapcode Global: WGZCZ.WZQF
Location and coordinates are for the approximate centre of Cùil Dhubh within this administrative area.
Geographic features and populated places may cross administrative borders.