- Category: Water Feature
- Type: Island
- Latitude/Longitude: 53°13'15"N 4°10'27"W
- Eastings/Northings: 254937, 371527
- OS Grid: SH549715
- Mapcode Local: GBR 5N.10GR
- Mapcode Global: WH546.V9GM
Location and coordinates are for the approximate centre of Ynys Benlas within this administrative area.
Geographic features and populated places may cross administrative borders.