Keansburg Amusement Park will be open today, August 29th at 10am for kiddie rides and all rides and attractions by 12noon. Runaway Rapids will be open today from 10am to 6:00pm. Today is Friday Coke Family Madness! $24.95 per person for unlimited Rides All Day at Keansburg Amusement Park today! Or $16.95 per person for Friday Night Madness all you can ride wristbands at Keansburg Amusement Park after 7pm! Runaway Rapids opens at 10am. Tuesday, September 2nd Special – $16.95 per person for all day at either Keansburg Amusement Park or Runaway Rapids!