Port Austin Light
| Location | Port Austin Reef, 2.5 miles (4.0 km) north of Port Austin, Michigan (Port aux Barques Township) | 
|---|---|
| Coordinates | 44°05′N 82°59′W / 44.083°N 82.983°W | 
| Tower | |
| Constructed | 1878 | 
| Foundation | Brick, cement, crushed stone | 
| Construction | Brick | 
| Automated | 1953 | 
| Height | 60 feet (18 m) | 
| Shape | Square | 
| Markings | Buff square tower with attached house w/red roof. | 
| Heritage | National Register of Historic Places listed place | 
| Light | |
| First lit | 1878 | 
| Focal height | 76 feet (23 m) | 
| Lens | Fourth order Fresnel lens (original), 12-inch (300 mm) Tideland Signal ML-300 acrylic (current) | 
| Range | 8 nautical miles (15 km; 9.2 mi) Other sources claim 14.3 nautical miles; 26.6 kilometres (16.5 mi) | 
| Characteristic | White, every 6 seconds. | 
Port Austin Reef Light  | |
| MPS | Light Stations of the United States MPS | 
| NRHP reference No. | 11000666 | 
| Added to NRHP | September 15, 2011 | 
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.