- Category: Water Feature
- Type: Island
- Latitude/Longitude: 59°59'26"N 1°20'40"W
- Eastings/Northings: 436671, 1123050
- OS Grid: HU366230
- Mapcode Local: GBR R21B.6LF
- Mapcode Global: XHD42.W4ST
Location and coordinates are for the approximate centre of Tromba of Griskerry within this administrative area.
Geographic features and populated places may cross administrative borders.