Oumijima Naiwan
Honshu, Japan
Aomi Bay in Nagato, Yamaguchi, is a serene diving location characterized by sandy and muddy bottoms reaching depths of 22 meters. Divers will find a vibrant underwater ecosystem, including yellowfin gobies and cuttlefish, with chigara actively mating from January onwards. It's also a sought-after spot for rare deep-sea snapper sightings.