Yes. I believe there is a launch at the day use side and on the campground side , there is a small on where they have paddleboards, canoes and kayaks for rent.
Yes! You just need the recreational passport to use it. You can check your car tags to see if you already have it. If you do, you'll see two "P"s on the tag. If not, you can get the pass when you enter. It's $16 for a Michigan license plate. If it's an out-of-state plate, it's $9 for a day pass, or $32 for a 2018 pass. Each pass is good for any Michigan State Park.
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