- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°16'25"N 5°43'10"W
- Eastings/Northings: 175868, 826462
- OS Grid: NG758264
- Mapcode Local: GBR D98H.DZ8
- Mapcode Global: WH0B6.3FPR
Location and coordinates are for the approximate centre of Sgeir a' Chaisteil within this administrative area.
Geographic features and populated places may cross administrative borders.