Mackinac Island is our FAVORITE Michigan cruising destination! Mackinac Island is a very busy tourist destination during the day. So when visiting the island, Jim and I try to focus our daytime activities on walking in less congested areas. Our favorite route starts by walking up the steps leading to the steep bluff just across the road from the marina. Most day-time visitors to the island walk or ride bikes along the path at the bottom perimeter of the island. It's fairly busy there at the bottom, that's why we choose to climb to the top of the island. The view…