- Category: Water Feature
- Type: Island
- Latitude/Longitude: 60°43'25"N 1°2'29"W
- Eastings/Northings: 452395, 1204910
- OS Grid: HP523049
- Mapcode Local: GBR R0SD.FD5
- Mapcode Global: XHF78.VQRB
Location and coordinates are for the approximate centre of Signa Stack within this administrative area.
Geographic features and populated places may cross administrative borders.