Parking is available at the Boat House, just follow the Gears & Beers signs and the prompts given by parking attendants.
The Recreation Passport ($11 for Michigan vehicles, $5 for Michigan motorcycles, nonresidents pay $31 for an annual pass or $9 for a day pass. ) is required for vehicle entry to all 102 Michigan state parks, including Belle Isle.
Michigan residents can purchase the Recreation Passport by checking “YES” when renewing license plates at a Secretary of State branch office, self service station or online.
If you didn’t check “YES,” or are visiting in a nonresident vehicle, a window sticker can be purchased at the toll booth upon entry. If the toll booth is not staffed, follow signs and proceed to the designated parking area.