Adan Shimo, off the uninhabited Akenashiki Island in the Keramas, is just a 10-minute boat ride from Aka Island. With gentle currents and depths ranging from 7 to 20 meters, this dive site is perfect for beginners and training dives. Expect to see vibrant coral gardens and a variety of marine life, including clownfish, needlefish, and stunning nudibranchs like Adeyakami and Fujinami.