Highlights: The Big Island of Hawaii has long since become one of the popular islands for vacation in Hawaii because of its extraordinary and rich natural scenery. Submarines will take you to dive into the underwater world more than 100 feet under the Pacific Ocean, where you can watch a completely different underwater world. , Green turtles, sharks, manta rays, eels, sea urchins and different marine life are presented in front of you. 96% of Kona's underwater landscape you can't see anywhere else in the world, the underwater ecosystem here is isolated from the world. Completely different world.