Glass-Bottom Boat Ride and Snorkel Tour in Cabo San Lucas. If you think the beauty of Los Cabos is framed by the dramatic contrast of the ocean, mountains and the desert, wait to experience this snorkeling adventure to see the real beauty guarded in the largest aquarium of the world. You can choose from Classic or Deluxe snorkel. Your tour includes transport and equipment. Book and Save 10%! Glass-Bottom Boat Ride and Snorkel Tour in Cabo San Lucas.