- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°20'9"N 4°44'0"W
- Eastings/Northings: 205571, 52018
- OS Grid: SX055520
- Mapcode Local: GBR N2.X7XN
- Mapcode Global: FRA 08Z4.V06
Location and coordinates are for the approximate centre of Crinnis Island within this administrative area.
Geographic features and populated places may cross administrative borders.