- Category: Water Feature
- Type: Island
- Latitude/Longitude: 55°39'38"N 5°47'19"W
- Eastings/Northings: 161799, 647320
- OS Grid: NR617473
- Mapcode Local: GBR DF2R.K8S
- Mapcode Global: WH0KX.1ZR7
Location and coordinates are for the approximate centre of Càth Sgeir within this administrative area.
Geographic features and populated places may cross administrative borders.