- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°7'44"N 2°2'53"W
- Eastings/Northings: 397182, 804218
- OS Grid: NJ971042
- Mapcode Local: GBR XT.JS0B
- Mapcode Global: WH9QY.H2WR
Location and coordinates are for the approximate centre of Greg Ness within this administrative area.
Geographic features and populated places may cross administrative borders.