- Category: Water Feature
- Type: Island
- Latitude/Longitude: 53°18'44"N 4°2'8"W
- Eastings/Northings: 264469, 381433
- OS Grid: SH644814
- Mapcode Local: GBR 0Z84.29
- Mapcode Global: WH53W.Z0CG
Location and coordinates are for the approximate centre of Perch Rock within this administrative area.
Geographic features and populated places may cross administrative borders.