The Okinawa Main Island Enjoy Pass lets you experience a wider range of activities with a single pass. Make the most of your visit by accessing 12 of Okinawa's main sightseeing attractions for the whole family. Explore the Okinawa Churaumi Aquarium, one of the world's largest aquariums offering a breathtaking view of whale sharks, manta rays, and a variety of fish swimming in a gigantic tank. You may also visit the Dai Sekirinzan Park, Kouri Ocean Tower, and Gyokusendo Cave, among others.