- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°19'18"N 5°8'49"W
- Eastings/Northings: 215792, 941338
- OS Grid: NC157413
- Mapcode Local: GBR F6NQ.Z05
- Mapcode Global: WH16K.X378
Location and coordinates are for the approximate centre of Sgeir Uistein within this administrative area.
Geographic features and populated places may cross administrative borders.