When your cruise ship docks at the george town port get ready for an exciting jet ski adventure in grand cayman ride to stingray city sandbar known for its free swimming stingrays then follow your guide to the barrier reef where youll snorkel over coral teeming with tropical fish spend half of your 25 hour shore excursion in the water and half of it aboard your single or double jet ski numbers are limited to 15 people ensuring an intimate experience with a small group