- Category: Water Feature
- Type: Island
- Latitude/Longitude: 60°26'38"N 1°8'31"W
- Eastings/Northings: 447307, 1173660
- OS Grid: HU473736
- Mapcode Local: GBR R1J4.998
- Mapcode Global: XHF8L.JRYB
Location and coordinates are for the approximate centre of Sinna Skerry within this administrative area.
Geographic features and populated places may cross administrative borders.