- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°57'7"N 3°6'8"W
- Eastings/Northings: 336679, 1007730
- OS Grid: HY366077
- Mapcode Local: GBR L5P2.CJW
- Mapcode Global: WH6B4.98X2
Location and coordinates are for the approximate centre of Holm of Westquoy within this administrative area.
Geographic features and populated places may cross administrative borders.