- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°54'49"N 6°35'1"W
- Eastings/Northings: 128630, 900813
- OS Grid: NB286008
- Mapcode Local: GBR B74T.16F
- Mapcode Global: WGX38.VC21
Location and coordinates are for the approximate centre of Sgeir Niogaig within this administrative area.
Geographic features and populated places may cross administrative borders.