- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°39'19"N 3°44'52"W
- Eastings/Northings: 292944, 752876
- OS Grid: NN929528
- Mapcode Local: GBR KC34.3XW
- Mapcode Global: WH5MQ.DZJ8
Location and coordinates are for the approximate centre of West Mains Island within this administrative area.
Geographic features and populated places may cross administrative borders.