Has anyone ever walked across Lake Michigan?

No, it is not possible to walk across Lake Michigan. Lake Michigan is one of the Great Lakes of North America, and it is too deep and too wide to walk across. The deepest point in Lake Michigan is 923 feet (281 m), and the average depth is 279 feet (85 m). The width of Lake Michigan varies from 58 miles (93 km) at its widest point to 20 miles (32 km) at its narrowest point.