- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 57°33'40"N 5°45'58"W
- Eastings/Northings: 174827, 858595
- OS Grid: NG748585
- Mapcode Local: GBR D84Q.X53
- Mapcode Global: WH08T.D6DV
Location and coordinates are for the approximate centre of Òb Dubh within this administrative area.
Geographic features and populated places may cross administrative borders.