- Category: Water Feature
- Type: Inland Water
- Latitude/Longitude: 56°10'44"N 5°25'33"W
- Eastings/Northings: 187453, 703755
- OS Grid: NM874037
- Mapcode Local: GBR DDZD.3C3
- Mapcode Global: WH0HK.MYCK
Location and coordinates are for the approximate centre of St Mary's Loch within this administrative area.
Geographic features and populated places may cross administrative borders.