- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°11'20"N 6°19'23"W
- Eastings/Northings: 146009, 930385
- OS Grid: NB460303
- Mapcode Local: GBR B7S2.LHW
- Mapcode Global: WGY35.VF4N
Location and coordinates are for the approximate centre of Stac a' Chàis within this administrative area.
Geographic features and populated places may cross administrative borders.