Tanabe is a boat-access reef dive located 500 metres from the shore in Japan. The site features a reef structure with depths ranging from 8 to 19 metres, averaging 12 metres. Divers should be prepared for moderate currents and visibility that fluctuates between 5 and 25 metres. Water temperatures vary seasonally from 17 to 28 degrees Celsius. The reef floor contains sharp coral and rocks, requiring careful buoyancy control to avoid injury and to prevent stirring up sediment. The site is suitable for beginners and offers a typical dive time of 50 minutes. Essential facilities, including equipment rental, air fills, and showers, are available on-site.

Shirahama offers a diverse underwater environment featuring a reef, wreck, artificial reef structures, a cave, and a drop-off. Divers can explore these varied topographies at depths ranging from 5 to 16 metres, with an average depth of 12 metres. The site is suitable for beginners, with mild currents and visibility typically between 10 and 20 metres. Entry is possible from both shore and boat, though divers should exercise caution regarding surf and shore breaks when entering from the beach. Facilities include parking, toilets, showers, changing rooms, and equipment rental. Night diving is available, and a full wetsuit is recommended to protect against jellyfish and sharp coral or rocks.

Noa Front Beach is a shore-entry reef dive in Japan suitable for beginner divers. The site features depths ranging from 8 to 15 metres with an average of 10 metres. Divers experience mild currents and visibility between 5 and 20 metres. Entry requires caution due to a surf break at the shoreline and sharp coral or rocks on the seabed. The site is equipped with full facilities, including parking, toilets, showers, changing rooms, and a rinse station. Night diving is permitted, and typical dives last approximately 50 minutes. Water temperatures fluctuate throughout the year, ranging from 17C in winter to 28C in autumn.

Shimamawari offers a varied underwater terrain featuring reef, wall, and cave formations. Divers can explore depths ranging from 6 to 30 metres, with an average depth of 15 metres. The site is accessible only by boat, and divers should exercise caution regarding surf and shore break during entry and exit. Navigation requires awareness of sharp coral and rocks throughout the reef area. Current is generally mild, though visibility can vary significantly between visits, which impacts the ability to explore the deeper wall and cave sections. This site is suited for intermediate divers.

Soshimaoki-1 features a combination of wall and reef topography, descending from 5 to 22 metres with an average depth of 15 metres. Located 5 kilometres offshore, this site requires boat access. Divers encounter moderate currents that can strengthen, necessitating intermediate skill levels. Visibility is variable, ranging from 5 to 25 metres. The site is suitable for night diving, offering a different perspective of the wall and reef structures. Due to unpredictable surf and shore break conditions at the entry point, caution is advised when boarding or disembarking. Water temperatures fluctuate between 17 and 28 degrees Celsius throughout the year, influenced by the Kuroshio Current.

Koza River Nukumi is a shallow freshwater dive site in Japan, offering a unique environment for divers of all experience levels. Accessed via a shore entry, the site features depths ranging from 2 to 7 metres with an average of 5 metres. Conditions are generally manageable with mild currents, though visibility typically fluctuates between 5 and 8 metres. Water temperatures vary significantly throughout the year, ranging from 18C to 28C, necessitating appropriate thermal protection. The site is equipped with parking, showers, a rinse station, and equipment rental. Night diving is also permitted, providing an opportunity to observe the river environment after dark.