Дайв-сайты: Shizuoka Prefecture

The Atami wreck is a deliberately sunk vessel resting at around 22 metres depth, now entirely colonised by spectacular soft corals in yellow, purple, pink, and orange. The colours are vivid even without artificial light, creating one of the most photogenic wreck dives in Japan. The wreck structure is intact enough to provide swim-throughs and overhangs, and it attracts a rich community of resident fish including squirrelfish, scorpionfish, and moray eels.

Counter-intuitively, winter is Atami's prime diving season. The water cools to 13 to 16 degrees Celsius, which brings dramatically improved visibility of 20 to 25 metres as plankton decreases. The cooler water also brings unique seasonal visitors: deep-sea juvenile fish rise to shallower depths, and encounters with ocean sunfish become possible. Additionally, winter means fewer crowds and more relaxed dive conditions. A thick wetsuit or dry suit is essential.

Atami is the most accessible quality dive site from Tokyo. The JR Tokaido Shinkansen (bullet train) reaches Atami station in approximately 45 minutes from Tokyo Station. Local dive shops typically provide pickup from the station. This proximity makes Atami a realistic day-trip diving destination from the capital, though staying overnight allows for more relaxed two-day diving with the added bonus of Atami's famous onsen hot springs.

Cape Ose is considered one of Japan's premier macro diving destinations thanks to its position at the confluence of warm Kuroshio and cold Oyashio currents. This mixing creates an unusually rich ecosystem where tropical, temperate, and even deep-water species coexist. Divers regularly find frogfish, seahorses, pipefish, nudibranchs, and garden eels on a single dive. The site's rocky reef structure provides endless nooks and crevices where rare critters hide.

Ocean sunfish (mola mola) are most commonly spotted at Cape Ose from May through June, when they migrate into the area to feed on jellyfish. Sightings are not guaranteed but are frequent enough during this window that many divers plan trips specifically around this season. Winter months from December to March offer the clearest visibility at 20 to 25 metres, along with unique deep-sea juvenile fish that rise from the depths.