- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 54°49'30"N 4°13'7"W
- Eastings/Northings: 257569, 550059
- OS Grid: NX575500
- Mapcode Local: GBR HHYY.QBN
- Mapcode Global: WH4W8.5ZDD
Location and coordinates are for the approximate centre of Isle Mouth within this administrative area.
Geographic features and populated places may cross administrative borders.