- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°56'17"N 6°19'20"W
- Eastings/Northings: 89965, 13168
- OS Grid: SV899131
- Mapcode Local: GBR BXSV.6TW
- Mapcode Global: VGYBY.CTFB
Location and coordinates are for the approximate centre of Mare Ledges within this administrative area.
Geographic features and populated places may cross administrative borders.