- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°52'54"N 6°46'11"W
- Eastings/Northings: 117357, 898002
- OS Grid: NG173980
- Mapcode Local: GBR 97NW.ZTW
- Mapcode Global: WGX3C.Z5C4
Location and coordinates are for the approximate centre of Cuidsgeir within this administrative area.
Geographic features and populated places may cross administrative borders.