- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°20'19"N 6°11'48"W
- Eastings/Northings: 140722, 724180
- OS Grid: NM407241
- Mapcode Local: GBR CC2Y.Y0Z
- Mapcode Global: WGYD4.SX8Z
Location and coordinates are for the approximate centre of Sgeirean Mòr within this administrative area.
Geographic features and populated places may cross administrative borders.