June 22 @ 6:00 pm - 9:00 pm EDT G. Mennen Williams Mackinac Celebration Mackinac Island State Park Mackinac Island Mackinac Associates' annual G. Mennen Williams Celebration brings together lovers of Mackinac to recognize the outstanding support and efforts of Mackinac State Historic Parks' friends group. Location on Mackinac Island TBD. This is a Members Only event. Head to the Mackinac Associates website for information on how to join.
