. "Port Austin Lighthouse (or Port Austin Reef Light) is a lighthouse off the shore of Lake Huron, about 2.5 miles (4.0 km) north of Port Austin, Huron County Michigan sitting on a rocky reef (shoal), which is just north of the tip of the Thumb and a real hazard to navigation."@en . . "Port Austin Light"@en . "18.288"^^ . "23.1648"^^ . .