- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°33'51"N 4°55'53"W
- Eastings/Northings: 192494, 77959
- OS Grid: SW924779
- Mapcode Local: GBR ZM.XHX6
- Mapcode Global: FRA 07KK.W1X
Location and coordinates are for the approximate centre of Trebetherick Rocks within this administrative area.
Geographic features and populated places may cross administrative borders.