- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°20'38"N 3°34'18"W
- Eastings/Northings: 288258, 50519
- OS Grid: SX882505
- Mapcode Local: GBR QS.RZYX
- Mapcode Global: FRA 38D4.49S
Location and coordinates are for the approximate centre of Halftide Rock within this administrative area.
Geographic features and populated places may cross administrative borders.