Allow Atlantis Submarines to show you the other 96% of Kona you can't see any other way. Treat yourself to Kona's most beautiful and captivating scenery, habitats, and isolated treasures. You'll descend 100 feet into another version of paradise -- one hidden even from the people of Hawaii for centuries. Atlantis Submarines Kona offers a journey aboard a 48-passenger submarine. Guests will discover an 18,000-year-old, 25-acre fringing coral reef, which boasts a vibrant ecosystem. Passengers view coral formations and tropical fish.