Wuzhizhou Island in Sanya, China, offers a diverse underwater environment featuring natural reefs, artificial reefs, and shipwrecks. Located 2700 metres from the shore, the site requires boat access and reaches depths of up to 30 metres. Visibility varies significantly, ranging from 6 to 30 metres depending on conditions. The habitat supports a variety of reef fish and invertebrates typical of the region. Divers should be aware of boat traffic and sharp coral in the area. Comprehensive facilities are available on-site, including equipment rental, air fills, showers, and changing rooms, making it suitable for supported boat dives.