- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°42'5"N 5°40'27"W
- Eastings/Northings: 181175, 873918
- OS Grid: NG811739
- Mapcode Local: GBR D8CC.HPL
- Mapcode Global: WH082.TP57
Location and coordinates are for the approximate centre of Sgeir Thormaid within this administrative area.
Geographic features and populated places may cross administrative borders.