- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°4'3"N 6°12'22"W
- Eastings/Northings: 138299, 694066
- OS Grid: NR382940
- Mapcode Local: GBR CD2P.00Q
- Mapcode Global: WGYFH.MRTC
Location and coordinates are for the approximate centre of Colonsay within this administrative area.
Geographic features and populated places may cross administrative borders.