- Category: Water Feature
- Type: Island
- Latitude/Longitude: 60°14'27"N 1°9'28"W
- Eastings/Northings: 446727, 1151050
- OS Grid: HU467510
- Mapcode Local: GBR R1HN.VD5
- Mapcode Global: XHF9K.BVLD
Location and coordinates are for the approximate centre of South Holm within this administrative area.
Geographic features and populated places may cross administrative borders.