Roundbush Rocks, Vale of Glamorgan

• Built-Up Area: Penarth
• Parish/Community: Sully and Lavernock
• Unitary Authority: Vale of Glamorgan
• Region: Wales

• Category: Water Feature
• Type: Island

• Latitude/Longitude: 51°24'49"N 3°10'11"W
• Eastings/Northings: 318741, 168949
• OS Grid: ST187689
• Mapcode Local: GBR HY.Q3CZ
• Mapcode Global: VH6FM.0QLM

Location and coordinates are for the approximate centre of Roundbush Rocks within this administrative area. Geographic features and populated places may cross administrative borders.