Greater Mackinaw City Chamber of Commerce Events Dec 12 Colonial Christmas at Colonial Michilimackinac Hosted by Greater Mackinaw City Chamber of Commerce More from Greater Mackinaw City Chamber of Commerce Dec 11 Christmas in the City Parade of Lights & Tree Lighting Fri, Dec 11 · 6:00 PM Dec 12 McGulpin Point Lighthouse Holiday Open House Sat, Dec 12 · 11:00 AM – 3:00 PM McGulpin Point Lighthouse Jan 16 Mackinaw City Chili Cook-Off & Poker Walk Sat, Jan 16 · 11:30 AM – 1:30 PM Mama Mia’s Pizza