- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°8'55"N 7°17'33"W
- Eastings/Northings: 80037, 818859
- OS Grid: NF800188
- Mapcode Local: GBR 89DT.LFZ
- Mapcode Global: WGW5G.YLF2
Location and coordinates are for the approximate centre of Gasaigh within this administrative area.
Geographic features and populated places may cross administrative borders.