Rent a variety of watercraft at the Potawatomi Inn beach at Pokagon State Park. Pontoon boats that hold 11 people are $374.50 per day or $214 per half-day (noon to 5:30 p.m.) Fishing boats are $107 per day or $64.50 for a half-day. Know more about Pokagon State Park vacation rentals in Steuben County Indiana.