- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°4'4"N 6°22'45"W
- Eastings/Northings: 141838, 917137
- OS Grid: NB418171
- Mapcode Local: GBR B7MD.JT4
- Mapcode Global: WGY3Q.ZGDX
Location and coordinates are for the approximate centre of Sgeir Mhòr within this administrative area.
Geographic features and populated places may cross administrative borders.