When you are in Hawaii, you are probably thinking of doing some sightseeing, swimming, and maybe scuba diving with the fishes. But have you imagined being able to go down almost 100 feet below sea level to see sunken ships, airplanes, and schools of fishes. That’s right, Atlantis have came up with a revolutionary way of exploiting submarines. Submarines as some of you may know were originally designed for marine warfare but instead used today for your marine viewing pleasure.
source: http://www.goodfoodandtravel.com/hawaii-submarine-riding