- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°4'10"N 5°27'29"W
- Eastings/Northings: 196135, 914165
- OS Grid: NB961141
- Mapcode Local: GBR D7XD.DN0
- Mapcode Global: WH06G.4F4P
Location and coordinates are for the approximate centre of Clach na h-Iolla within this administrative area.
Geographic features and populated places may cross administrative borders.