- Category: Water Feature
- Type: Island
- Latitude/Longitude: 53°16'45"N 4°19'22"W
- Eastings/Northings: 245222, 378346
- OS Grid: SH452783
- Mapcode Local: GBR HNP1.4L4
- Mapcode Global: WH42M.KTPT
Location and coordinates are for the approximate centre of Ynys-Môn within this administrative area.
Geographic features and populated places may cross administrative borders.