- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°34'0"N 3°58'15"W
- Eastings/Northings: 263484, 187180
- OS Grid: SS634871
- Mapcode Local: GBR GX.Y4NG
- Mapcode Global: VH4KH.4W06
Location and coordinates are for the approximate centre of Mumbles Head within this administrative area.
Geographic features and populated places may cross administrative borders.