- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°49'51"N 7°37'13"W
- Eastings/Northings: 57339, 785153
- OS Grid: NL573851
- Mapcode Local: GBR 7BLN.LDR
- Mapcode Global: WGV5Q.XKFM
Location and coordinates are for the approximate centre of Barnacle Rock within this administrative area.
Geographic features and populated places may cross administrative borders.