- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°39'54"N 7°26'52"W
- Eastings/Northings: 75283, 876988
- OS Grid: NF752769
- Mapcode Local: GBR 880G.FDN
- Mapcode Global: WGV1R.KLMN
Location and coordinates are for the approximate centre of Sgeir Dubh Mòr within this administrative area.
Geographic features and populated places may cross administrative borders.