- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°16'37"N 5°15'53"W
- Eastings/Northings: 167472, 46997
- OS Grid: SW674469
- Mapcode Local: GBR Z1.ZL2M
- Mapcode Global: VH12B.P9HH
Location and coordinates are for the approximate centre of Gullyn Rock within this administrative area.
Geographic features and populated places may cross administrative borders.