- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°57'8"N 2°42'34"W
- Eastings/Northings: 359276, 1007450
- OS Grid: HY592074
- Mapcode Local: GBR M5N2.CFH
- Mapcode Global: WH7CG.B7YX
Location and coordinates are for the approximate centre of Stack of Mustack within this administrative area.
Geographic features and populated places may cross administrative borders.