Clarion Resort And Waterpark, Kissimmee, FL. $49. Get a gander of the water park with heated lazy river, large swimming pool, 30-foot tower, several thrilling slides, and an interactive water play area. While the kids wear themselves out, adults can sip a cool cocktail from the poolside bar next to a waterfall, or soak in the spa tub. The resort also has a restaurant, lounge, ice cream shop, fitness center, gift shop, 24-hour business center, laundry facilities, and self-parking.