- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°15'35"N 6°52'0"W
- Eastings/Northings: 114653, 940450
- OS Grid: NB146404
- Mapcode Local: GBR 96FW.X1V
- Mapcode Global: WGX1D.HN8B
Location and coordinates are for the approximate centre of Sgeir a' Chaolais within this administrative area.
Geographic features and populated places may cross administrative borders.