- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°57'23"N 6°20'51"W
- Eastings/Northings: 88275, 15326
- OS Grid: SV882153
- Mapcode Local: GBR BXQS.THN
- Mapcode Global: VGYBX.XCM6
Location and coordinates are for the approximate centre of Dunstan's Rock within this administrative area.
Geographic features and populated places may cross administrative borders.