- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°31'17"N 6°43'40"W
- Eastings/Northings: 109338, 746615
- OS Grid: NM093466
- Mapcode Local: GBR 9CSH.14H
- Mapcode Global: WGX9Z.MBGZ
Location and coordinates are for the approximate centre of Sgeir Uilleim within this administrative area.
Geographic features and populated places may cross administrative borders.