- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°20'31"N 5°10'34"W
- Eastings/Northings: 214182, 943668
- OS Grid: NC141436
- Mapcode Local: GBR F6LP.3QT
- Mapcode Global: WH16C.GL99
Location and coordinates are for the approximate centre of Sgeir a' Chàis within this administrative area.
Geographic features and populated places may cross administrative borders.