The Dunes Club is a 9-hole private golf course in New Buffalo, Michigan, built in 1991 and designed by Dick Nugent. It sits in the $$$$ (splurge) price range for golf in Michigan. The season runs Apr 1 to Oct 31. Tee times can be booked 7 days in advance. Play is generally limited to members and their guests.
Details like fees and seasons change, so call the course before you head out.