- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°57'30"N 5°12'38"W
- Eastings/Northings: 169802, 11412
- OS Grid: SW698114
- Mapcode Local: GBR Z5.8N9S
- Mapcode Global: VH13X.M9LQ
Location and coordinates are for the approximate centre of Shag Rock within this administrative area.
Geographic features and populated places may cross administrative borders.