Atlantis Submarines
 Atlantis Submarines is a passenger submarine company. The company currently has 12 submarines and operates undersea tours in Grand Cayman Barbados Aruba Guam St. Thomas Cozumel and in Hawaii at Kona Maui and Oahu.In order for passengers to reach the submarine they board a shuttle ferry then they enter the submarine via steep stairs. When the submarine goes down they see corals sunken ships treasures and fish through large viewports.