- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°17'51"N 6°48'17"W
- Eastings/Northings: 118591, 944391
- OS Grid: NB185443
- Mapcode Local: GBR 96LS.V6G
- Mapcode Global: WGX17.FPTS
Location and coordinates are for the approximate centre of Sgeir Lainganish within this administrative area.
Geographic features and populated places may cross administrative borders.