- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°42'33"N 7°0'14"W
- Eastings/Northings: 102076, 879830
- OS Grid: NG020798
- Mapcode Local: GBR 983B.ST6
- Mapcode Global: WGW2X.CHZD
Location and coordinates are for the approximate centre of Gilsaigh within this administrative area.
Geographic features and populated places may cross administrative borders.