- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 56°20'18"N 6°9'46"W
- Eastings/Northings: 142822, 724039
- OS Grid: NM428240
- Mapcode Local: GBR CC5Y.V7J
- Mapcode Global: WGZF9.9YJ4
Location and coordinates are for the approximate centre of Port na Muic within this administrative area.
Geographic features and populated places may cross administrative borders.