Keansburg Amusement Park & Runaway Rapids Waterpark is a state-of-the-art park with over 19 waterslides, lazy river, interactive water play, as well as spa pools and lounge chairs (w/optional umbrellas). This tropical themed park is great for toddlers to adult. Keansburg Amusement Park & Runaway Rapids Waterpark is safe, clean affordable fun for young and old. Filled w/dozens of kiddie rides, thrill rides and family attractions it is the best place in Monmouth county to bring the family. 19 Keansburg coupons, including Keansburg coupon codes & 18 deals for December 2017. Make use of Keansburg promo codes & sales in 2017 to get extra savings on top of the great offers already on keansburgamusementpark.com.