- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°33'51"N 7°36'47"W
- Eastings/Northings: 64509, 866586
- OS Grid: NF645665
- Mapcode Local: GBR 78LQ.PPR
- Mapcode Global: WGV28.04YG
Location and coordinates are for the approximate centre of Deasgeir within this administrative area.
Geographic features and populated places may cross administrative borders.