- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°9'19"N 4°29'9"W
- Eastings/Northings: 230043, 253715
- OS Grid: SN300537
- Mapcode Local: GBR D6.6CZG
- Mapcode Global: VH3K1.62CX
Location and coordinates are for the approximate centre of Carreg-y-Ty within this administrative area.
Geographic features and populated places may cross administrative borders.