Kuwashima Point is a reef dive site in Japan accessed by boat. The topography features a slope that descends from 10 to 30 metres. Divers can expect moderate currents throughout the site, requiring awareness of water movement. Visibility at this location typically ranges between 10 and 30 metres. Water temperatures fluctuate seasonally, ranging from 17C in the cooler months to 26C during the summer. The site is suitable for beginners, who are advised to remain in the shallower sections of the reef to manage current conditions more easily. Always consult local operators for current boat and facility information before planning a dive.

Ooshima Point is a reef and drop-off site located in Japan, accessible only by boat. The topography features a reef wall that descends from 10 metres to a depth of 30 metres, with an average depth of 15 metres. Divers should expect moderate currents that can strengthen, requiring solid buoyancy control to avoid contact with sharp coral and rocks. Visibility ranges from 10 to 30 metres depending on conditions. The site is suitable for intermediate divers and supports night diving. Water temperatures fluctuate between 17 and 26 degrees Celsius throughout the year. Facilities including showers and a dive shop are available for visitors.

Tatsunokuchi is a shore entry reef site located near Nagasaki City. The topography consists of a reef environment reaching depths of up to 30 metres. Divers should be aware of boat traffic in the area while navigating the site. Conditions are generally suitable for intermediate divers, with mild currents and visibility ranging between 6 and 15 metres. Water temperatures fluctuate throughout the year, ranging from 16C in the winter months to 26C in September. Facilities are available at a nearby dive shop to support local diving activities.