- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°33'1"N 2°27'7"W
- Eastings/Northings: 368068, 72395
- OS Grid: SY680723
- Mapcode Local: GBR PY.JHWG
- Mapcode Global: FRA 57RL.VZV
Location and coordinates are for the approximate centre of Tar Rocks within this administrative area.
Geographic features and populated places may cross administrative borders.