M-209 was a state trunkline highway in the Lower Peninsula of the US state of Michigan. It was located in Leelanau County in the Sleeping Bear Dunes National Lakeshore. Until it was decommissioned, it was Michigan's shortest state highway. M-209 started at M-109 and went just over mile (about ) to Glen Haven. In 1995, M-209's designation was "abandoned", and the road was turned over to the jurisdiction of the Leelanau County Road Commission. Route description M-209 was the short connector route from M-109 to the Glen Haven unit of the Sleeping Bear Dunes National Lakeshore west of Glen Arbor. The southern terminus of the highway was at the intersection with M-109 south of Glen Haven, a restored logging village on the shore of Lake Michigan on the Leelanau Peninsula. The roadway ran north from this intersection where M-109 made a 90–degree corner through the south and east legs of a four-way intersection with M-209 and Dune Valley Road. M-209 ran past such attractions as the restored General Store and Blacksmith Shop. Also located in Glen Haven is the former Glen Haven Canning Co. building. This building was first used as a warehouse and later as a cannery for cherries in the 1920s. It has since been restored as the Cannery Boathouse housing historic wooden boats used in the Manitou Passage between Glen Haven, Glen Arbor and the North and South Manitou islands. The northern terminus of M-209 was located in front of the former US Coast Guard Life Saving Station, now restored as a maritime museum. The museum is located at the intersection of Glen Haven Road and Sleeping Bear Dunes Road. At the time of decommissioning, M-209 was a two-lane, paved road. Sleeping Bear Dunes National Lakeshore is a United States National Lakeshore located on the "little finger" of the Lower Peninsula of Michigan in Leelanau and Benzie counties. The park covers a stretch of Lake Michigan's eastern coastline, as well as North and South Manitou islands. The park was authorized on October 21, 1970. History From its inception in the 1920s, M-209 was Michigan's shortest highway. It connected the small community of Glen Haven to M-109 just south of the community. Glen Haven was founded as a settlement called Sleeping Bearville with a sawmill and an inn, the Sleeping Bear House, in 1857. By 1881, there were 11 buildings in the community. The lifesaving station was built