Spent four nights here while we explored the surrounding area. Took two trips out to Mackinac Island - the ferry sompanies have free pick up at the KOA. The tour of Soo Locks is only an hour north, and was another great experience.
The campground had a nice pool and mini golf was well maintained. It rained most of one night which caused some muddy spots but not terrible.
Our party was in sites 28, 14, and 15. This gave us an almost private campfire area at site 15, shielded from all other campers. The bug open field behind 15 was a great place to exercise the dogs.