Michigan Governor’s Summer Residence Tours Posted April 18, 2023 Explore the Governor’s Summer Residence on Mackinac Island on select Wednesdays June through August. Built in 1902 as a private summer cottage by Lawrence A. Young, it has served as the Governor’s summer Residence since 1945. The residence was listed in the Michigan Register of Historic Places in October 1975. In November 1997, the house was named to the National Register of Historic Places, the official list of America’s most historic buildings and sites. Throughout the tour, which lasts approximately 15 minutes, experienced docents will guide small groups through the first floor of the home.