- Category: Water Feature
- Type: Island
- Latitude/Longitude: 60°19'42"N 1°39'43"W
- Eastings/Northings: 418758, 1160540
- OS Grid: HU187605
- Mapcode Local: GBR Q17F.R43
- Mapcode Global: XHBVG.QNYC
Location and coordinates are for the approximate centre of Helliacks within this administrative area.
Geographic features and populated places may cross administrative borders.