- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°53'20"N 6°22'14"W
- Eastings/Northings: 86178, 7913
- OS Grid: SV861079
- Mapcode Local: GBR BXNZ.8PL
- Mapcode Global: VGYC9.J1DX
Location and coordinates are for the approximate centre of Shag Rock within this administrative area.
Geographic features and populated places may cross administrative borders.