- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°1'42"N 3°19'15"W
- Eastings/Northings: 317773, 682533
- OS Grid: NT177825
- Mapcode Local: GBR 23.S3WC
- Mapcode Global: WH6S4.YQRR
Location and coordinates are for the approximate centre of Haystack within this administrative area.
Geographic features and populated places may cross administrative borders.