- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°51'32"N 5°11'49"W
- Eastings/Northings: 179950, 222642
- OS Grid: SM799226
- Mapcode Local: GBR C8.T3KY
- Mapcode Global: VH0TM.VJWT
Location and coordinates are for the approximate centre of The Mare within this administrative area.
Geographic features and populated places may cross administrative borders.