This dive site, Kashiwajima Island, is a designated national park situated at the southwest tip of Shikoku, Japan, connected to the mainland by a bridge. It is celebrated for its exceptional marine biodiversity and relatively shallow to moderate depths, making it navigable for various skill levels. There is no specific historical lore provided, but its natural beauty and protected status highlight its significance as a prime diving location.
Divers can expect to encounter a remarkable array of marine life, including diverse juvenile and migratory fish, mouth rearing jawfish, and spawning green squid. The site is particularly renowned for its macro life, with numerous nudibranchs. Keep an eye out for unique species such as the rare blue-eyed goby, the humpback goby, and the inazebos, which are considered endemic to Kashiwa Island.
While no specific best time to visit is mentioned, the diverse life stages observed suggests year-round diving opportunities. The site is highly suitable for macro photography enthusiasts and underwater naturalists. Both snorkelers and freedivers will find Kashiwajima Island equally rewarding due to its vibrant shallow reefs and moderate depths.
