For Fun Things to do in Puerto Rico Check out the Island’s best Sightseeing & Adventure Tours! You may choose from: A Catamaran Sailing and Snorkeling Excursion to uninhabited Islands, a Kayaking Tour in a Bioluminescent Lagoon or Piloting & Island Hopping in your own Mini Boat. Or try Learning to Surf, go Hiking, Climbing and Rappelling down Waterfalls in a Rainforest or experience the longest, highest, fastest Zipline in the western hemisphere; the Best Adventure Tours, Sightseeing Tours and Day Trips in Puerto Rico are all right here!