- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°30'55"N 5°48'22"W
- Eastings/Northings: 165943, 742428
- OS Grid: NM659424
- Mapcode Local: GBR DC1H.H77
- Mapcode Global: WGZDP.SH9H
Location and coordinates are for the approximate centre of Sgeir Mhòr within this administrative area.
Geographic features and populated places may cross administrative borders.