- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°13'14"N 3°58'35"W
- Eastings/Northings: 262068, 148698
- OS Grid: SS620486
- Mapcode Local: GBR KV.38G2
- Mapcode Global: VH4M7.1K4Z
Location and coordinates are for the approximate centre of The Mare and Colt within this administrative area.
Geographic features and populated places may cross administrative borders.