Port Sanilac, MI

ZIP code 48469 serves Port Sanilac, a community on Lake Huron in Michigan’s Thumb region. Its notable landmarks include the Port Sanilac Lighthouse, built in 1886, and the harbor and marina along the waterfront. Inland, the Sanilac County Historic Village and Museum features historic buildings and exhibits on local history. The area also includes residential neighborhoods, farmland, and public access to the lakeshore.