- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°23'17"N 5°30'8"W
- Eastings/Northings: 189604, 838515
- OS Grid: NG896385
- Mapcode Local: GBR D9S6.4CR
- Mapcode Global: WH09Q.GK0D
Location and coordinates are for the approximate centre of Slumbay Island within this administrative area.
Geographic features and populated places may cross administrative borders.