- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°0'19"N 5°4'55"W
- Eastings/Northings: 188556, 238604
- OS Grid: SM885386
- Mapcode Local: GBR CF.HVF4
- Mapcode Global: VH1QC.VVPG
Location and coordinates are for the approximate centre of Ynys Melyn within this administrative area.
Geographic features and populated places may cross administrative borders.