South Stack
| Geography | |
|---|---|
| Location | Irish Sea near Holyhead, Anglesey |
| Coordinates | 53°18′24.40″N 4°41′56.91″W / 53.3067778°N 4.6991417°W |
| Length | 0.15 mi (0.24 km) |
| Width | 0.1 mi (0.2 km) |
| Highest point | 134 ft (41 m) |
South Stack (Welsh: Ynys Lawd) is an island situated just off Holy Island on the northwest coast of Anglesey, Wales.