- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°56'34"N 6°19'42"W
- Eastings/Northings: 89564, 13731
- OS Grid: SV895137
- Mapcode Local: GBR BXRT.XS0
- Mapcode Global: VGYBY.8P8N
Location and coordinates are for the approximate centre of Sea Carn within this administrative area.
Geographic features and populated places may cross administrative borders.