- Category: Water Feature
- Type: Group of Islands
- Latitude/Longitude: 54°17'53"N 2°57'26"W
- Eastings/Northings: 337800, 489602
- OS Grid: SD378896
- Mapcode Local: GBR 7LSQ.KZ
- Mapcode Global: WH82Z.K708
Location and coordinates are for the approximate centre of Costrells Rocks within this administrative area.
Geographic features and populated places may cross administrative borders.