- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°55'19"N 6°9'47"W
- Eastings/Northings: 146749, 788930
- OS Grid: NM467889
- Mapcode Local: GBR CB5F.7RB
- Mapcode Global: WGZBL.98CQ
Location and coordinates are for the approximate centre of Sgeir Mhòr within this administrative area.
Geographic features and populated places may cross administrative borders.