- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°41'10"N 3°8'0"W
- Eastings/Northings: 320032, 88006
- OS Grid: SY200880
- Mapcode Local: GBR PC.7KHF
- Mapcode Global: FRA 47B8.741
Location and coordinates are for the approximate centre of Half Tide Rock within this administrative area.
Geographic features and populated places may cross administrative borders.