- Category: Water Feature
- Type: Island
- Latitude/Longitude: 59°58'3"N 1°21'31"W
- Eastings/Northings: 435903, 1120470
- OS Grid: HU359204
- Mapcode Local: GBR R20D.62F
- Mapcode Global: XHD42.QQ1K
Location and coordinates are for the approximate centre of Sweyn Holm within this administrative area.
Geographic features and populated places may cross administrative borders.