- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°45'2"N 3°3'0"W
- Eastings/Northings: 339337, 985245
- OS Grid: ND393852
- Mapcode Local: GBR L5TL.RJ8
- Mapcode Global: WH7D8.3BV1
Location and coordinates are for the approximate centre of Grimsalie within this administrative area.
Geographic features and populated places may cross administrative borders.