- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°51'4"N 4°43'50"W
- Eastings/Northings: 216215, 331695
- OS Grid: SH162316
- Mapcode Local: GBR GPP5.3RN
- Mapcode Global: WH33F.9LGH
Location and coordinates are for the approximate centre of Maen Mellt within this administrative area.
Geographic features and populated places may cross administrative borders.