- Category: Geographic Feature
- Type: Other Coastal Landform
- Latitude/Longitude: 52°45'54"N 4°47'56"W
- Eastings/Northings: 211251, 322276
- OS Grid: SH112222
- Mapcode Local: GBR GPJD.2J9
- Mapcode Global: WH33S.8R0N
Location and coordinates are for the approximate centre of Maen Iau within this administrative area.
Geographic features and populated places may cross administrative borders.