- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°12'41"N 4°3'19"W
- Eastings/Northings: 256534, 147828
- OS Grid: SS565478
- Mapcode Local: GBR KR.3SKP
- Mapcode Global: VH4M5.NTG2
Location and coordinates are for the approximate centre of Egg Rock within this administrative area.
Geographic features and populated places may cross administrative borders.