- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°57'55"N 5°46'43"W
- Eastings/Northings: 170399, 792378
- OS Grid: NM703923
- Mapcode Local: GBR DB39.PTZ
- Mapcode Global: WH0CQ.66H2
Location and coordinates are for the approximate centre of Sgeir na Cailleach within this administrative area.
Geographic features and populated places may cross administrative borders.