Shitogo is a reef site in Japan accessible only by boat. The topography features depths ranging from 8 to 19 metres, with an average depth of 12 metres. Divers and snorkellers should be prepared for moderate currents, which can occasionally become strong. Visibility at the site is variable, spanning 15 to 40 metres. Typical dives last approximately 45 minutes. Due to the current conditions, this site is best suited for intermediate divers. Water temperatures fluctuate throughout the year, ranging from 20C in February to 29C in August.

Issou Omiya Mae is a reef dive site located in Japan. Divers access the site from the shore, with the reef situated approximately 50 metres from the entry point. The site features a consistent depth of 13 metres, making it suitable for beginner divers. Conditions at the site vary, with visibility ranging from 5 to 20 metres and mild currents present. Water temperatures fluctuate throughout the year, reaching a high of 29C in August and a low of 20C in February. Typical dives last around 40 minutes. Divers should exercise caution regarding sharp coral present at the site.

Issou Tank No.1 is a marine dive site in Japan accessible only by boat. The site features a consistent depth of approximately 10 metres, making it suitable for beginner divers. Conditions vary throughout the year, with water temperatures ranging from 20C in February to 29C in August. While specific observations at this exact location are limited, species recorded around this area include wrasses, snowflake moray, white-spotted puffer, porcupinefish, and various nudibranch species such as the geometric rainbow dorid and halgerda willeyi. Divers may also encounter sea stars and elongate clams in the surrounding habitat.

Tanegashima Island features a reef system ranging from 6 to 15 metres in depth. This site is suited for intermediate divers capable of managing strong currents, which can run hard with little warning. Divers often utilise these currents for drift dives rather than attempting to swim against them. Both shore and boat entries are viable options for accessing the reef. On-site facilities include a dive shop, showers, and toilets to support your visit. Water temperatures fluctuate between 20 and 29 degrees Celsius throughout the year. Always monitor local conditions closely and plan your dive entry to account for the significant water movement present at this location.