Explore Waikiki’s marine mysteries while diving more than 100 feet underwater in an air-conditioned, eco-friendly, battery-powered submarine! A special added bonus of this tour experience is seeing Waikiki’s beautiful coastline and scenic Diamond Head as guests ride our shuttle boat to the dive site. Atlantis Submarines Waikiki provides a breathtaking experience as guests see up close colorful marine life, vibrant artificial reefs created from sunken ships, airplane parts and other structures. It’s like scuba diving without getting wet! Our submarines are quiet and emit no pollutants while exploring the ocean depths, ensuring marine life is left undisturbed. Our 48-passenger submarine is Atlantis’s flagship submarine, offering comfort, plenty of headroom and large viewing portals to watch nature in action. Our 64-passenger premium submarine is 100 feet long, which is the world’s largest passenger submarine! Join us for the undersea adventure of a lifetime!