- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°30'17"N 6°16'46"W
- Eastings/Northings: 150801, 965343
- OS Grid: NB508653
- Mapcode Local: GBR B6W7.VSW
- Mapcode Global: WGY1N.HHXH
Location and coordinates are for the approximate centre of Sìnntean within this administrative area.
Geographic features and populated places may cross administrative borders.