- Category: Water Feature
- Type: Island
- Latitude/Longitude: 53°13'41"N 4°9'27"W
- Eastings/Northings: 256072, 372297
- OS Grid: SH560722
- Mapcode Local: GBR 5N.0QJQ
- Mapcode Global: WH547.34G0
Location and coordinates are for the approximate centre of Ynys Tobig within this administrative area.
Geographic features and populated places may cross administrative borders.