- Category: Water Feature
- Type: Island
- Latitude/Longitude: 60°35'25"N 0°52'39"W
- Eastings/Northings: 461583, 1190190
- OS Grid: HU615901
- Mapcode Local: GBR S05R.BFS
- Mapcode Global: XHF84.02BH
Location and coordinates are for the approximate centre of Stack of Billaclett within this administrative area.
Geographic features and populated places may cross administrative borders.