- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°6'19"N 6°0'29"W
- Eastings/Northings: 157378, 808743
- OS Grid: NG573087
- Mapcode Local: GBR C9KY.6SH
- Mapcode Global: WGZ9P.PN6Q
Location and coordinates are for the approximate centre of Sgeir Chomhnard within this administrative area.
Geographic features and populated places may cross administrative borders.