2600 Atwater St
Detroit, MI 48207
(313) 393-7128
The William G. Milliken State Park and Harbor (formerly named Tri-Centennial State Park and Harbor) is a state park in Michigan, and the state's first to be located in an urban area. Located just east of downtown Detroit along a portion of the city's International Riverfront, it covers 31 acres on the Detroit River, and includes a 52-slip harbor of refuge. A 63-foot conical brick light-house tower marks the harbor entrance. The park consists of the former city-owned St. Aubin Park and Marina and an adjacent reclaimed brownfield. The park area was taken over by the Michigan Department of Natural Resources in 2004 as Tri-Centennial State Park. Phase I of the park's development, which included refurbishing the marina and construction of the light tower, opened on May 20, 2004. Construction of the 6-acre Phase II, or expansion, phase of the project began in summer 2008 and concluded in summer 2009. The Phase II project encompassed a parcel of post-industrial property adjacent to Rivard Plaza. On October 22, 2009, Tri-Centennnial State Park was renamed in honor of Governor William G. Milliken.[1] The Lowlands section of the park was officially opened to the public on December 3, 2009. The William G. Milliken State Park's official address is 1900 Atwater Street, on the near east side of Detroit and adjacent to the Jefferson Avenue corridor. The City of Detroit finished construction on what is called the "Dequindre Extension" in May 2010. This new section of Milliken State Park connects the park to the Dequindre Cut.