- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°46'55"N 7°36'30"W
- Eastings/Northings: 57615, 779666
- OS Grid: NL576796
- Mapcode Local: GBR 7BLS.RTV
- Mapcode Global: WGV5Y.3S5K
Location and coordinates are for the approximate centre of Sgeir Mhòr within this administrative area.
Geographic features and populated places may cross administrative borders.