May 5, 2023 @ 9:00 am - 4:00 pm EDT Mackinac Island State Park Visitor’s Center Open for the Season Mackinac Island State Park Visitor's Center 7165 Main Street, Mackinac Island, MI, United States Get all of the information you need to plan the perfect day in Mackinac Island State Park, and find unique collectables at the Official Mackinac Island State Park Store. Open for the 2023 season on May 5. #thisismackinac