- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°29'0"N 6°48'56"W
- Eastings/Northings: 103637, 742790
- OS Grid: NM036427
- Mapcode Local: GBR 9CKL.2VY
- Mapcode Global: WGXB4.89MF
Location and coordinates are for the approximate centre of Sgeir Chruinn within this administrative area.
Geographic features and populated places may cross administrative borders.