- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°51'53"N 5°22'10"W
- Eastings/Northings: 168100, 223845
- OS Grid: SM681238
- Mapcode Local: GBR C1.SNRN
- Mapcode Global: VH0TJ.WD46
Location and coordinates are for the approximate centre of Llech Isaf within this administrative area.
Geographic features and populated places may cross administrative borders.