- Category: Water Feature
- Type: Island
- Latitude/Longitude: 59°4'51"N 2°58'11"W
- Eastings/Northings: 344519, 1021970
- OS Grid: HY445219
- Mapcode Local: GBR M41Q.L9K
- Mapcode Global: WH7BR.C02P
Location and coordinates are for the approximate centre of Gairsay within this administrative area.
Geographic features and populated places may cross administrative borders.