- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°37'11"N 2°28'58"W
- Eastings/Northings: 370459, 747674
- OS Grid: NO704476
- Mapcode Local: GBR VX.ZWX4
- Mapcode Global: WH8RX.TVSX
Location and coordinates are for the approximate centre of Marshall's Craig within this administrative area.
Geographic features and populated places may cross administrative borders.