- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°4'42"N 5°32'16"W
- Eastings/Northings: 146982, 25833
- OS Grid: SW469258
- Mapcode Local: GBR DXQG.S5F
- Mapcode Global: VH05P.Y9P2
Location and coordinates are for the approximate centre of Merlyn Rock within this administrative area.
Geographic features and populated places may cross administrative borders.