- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°35'27"N 6°30'51"W
- Eastings/Northings: 130336, 864636
- OS Grid: NG303646
- Mapcode Local: GBR B89N.GYK
- Mapcode Global: WGY5Z.XG3L
Location and coordinates are for the approximate centre of Sgeir a' Chapuill within this administrative area.
Geographic features and populated places may cross administrative borders.