Dorchester Street Jet Ski and Boat Rentals is your family-owned and operated jet ski rental service in Ocean City, MD. For an amazing view of Assateague Island, our jet ski rentals are the way to go. Our guided tour rentals come with a new jet ski and a D.N.R. certified tour guide. Our guides know the area well and will show you everything thing offered along the Assawoman Bay, including the famous ponies. We are located next to the Marina Deck, so after the tour, you can unwind at the rooftop bar.