Lake Olathe is hosting the ultimate Fourth of July celebration! Admission to this private event includes a sack lunch, Aqua Park use, Boat Rentals, Open Swim, and other fun family activities and games, including a tie dye water gun fight with t-shirt souvenir. Beach fest is the perfect activity to celebrate the Fourth of July before Olathe's Fireworks Display. All Participating parties must register. Young children not eating or participating in activities do not need to register.