PDX Water Rentals A Place for all your Water Adventures At PDX WATER RENTALS LLC, site seeing is beyond endless. Whether you request a Columbia or Willamette pickup, the views will be amazing! Enjoy the action with Jet Ski Rentals or kick back & relax with a Pontoon Charter. ? We offer party discounts & discount vouchers if your family’s in town or you’re looking to host an event. Our goal is to always have you leave the marina with a smile.