- Category: Water Feature
- Type: Island
- Latitude/Longitude: 59°1'2"N 3°21'39"W
- Eastings/Northings: 321958, 1015280
- OS Grid: HY219152
- Mapcode Local: GBR L42W.TDF
- Mapcode Global: WH69M.BLVZ
Location and coordinates are for the approximate centre of Castle of Yesnaby within this administrative area.
Geographic features and populated places may cross administrative borders.