- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°7'17"N 5°36'41"W
- Eastings/Northings: 175619, 697974
- OS Grid: NR756979
- Mapcode Local: GBR DDJJ.NFW
- Mapcode Global: WH0HV.SD2G
Location and coordinates are for the approximate centre of Garbh Rèisa within this administrative area.
Geographic features and populated places may cross administrative borders.