Tube, Kayak or Paddleboard down the Rainbow River in Dunnellon Florida. Ride and Tube wants to help you have an awesome experience on the Rainbow River! Each rental price includes a shuttle ride to the river, and we will pick you up and bring you back to your car when your adventure is done.Tube, Kayak or Paddleboard down the Rainbow River in Dunnellon Florida. Ride and Tube wants to help you have an awesome experience on the Rainbow River! Each rental price includes a shuttle ride to the river, and we will pick you up and bring you back to your car when your adventure is done.