- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°32'56"N 6°46'13"W
- Eastings/Northings: 106929, 749845
- OS Grid: NM069498
- Mapcode Local: GBR 9CND.RMQ
- Mapcode Global: WGX9R.ZN3D
Location and coordinates are for the approximate centre of Sgeir Ailein within this administrative area.
Geographic features and populated places may cross administrative borders.