- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°24'41"N 6°10'31"W
- Eastings/Northings: 149351, 843379
- OS Grid: NG493433
- Mapcode Local: GBR C944.86V
- Mapcode Global: WGZ82.3ZN4
Location and coordinates are for the approximate centre of Sgeir Mhòr within this administrative area.
Geographic features and populated places may cross administrative borders.