- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°57'41"N 5°21'44"W
- Eastings/Northings: 201185, 901845
- OS Grid: NC011018
- Mapcode Local: GBR F74P.8JX
- Mapcode Global: WH186.L5Q1
Location and coordinates are for the approximate centre of Càrn nan Sgeir within this administrative area.
Geographic features and populated places may cross administrative borders.