- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°41'8"N 2°57'45"W
- Eastings/Northings: 342701, 866599
- OS Grid: NJ427665
- Mapcode Local: GBR M81D.X44
- Mapcode Global: WH7KJ.G2FZ
Location and coordinates are for the approximate centre of Middle Muck within this administrative area.
Geographic features and populated places may cross administrative borders.