- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°0'59"N 2°9'29"W
- Eastings/Northings: 390487, 791732
- OS Grid: NO904917
- Mapcode Local: GBR XM.HBMW
- Mapcode Global: WH9R8.TWFW
Location and coordinates are for the approximate centre of Grim Brigs within this administrative area.
Geographic features and populated places may cross administrative borders.