Question 1

What is the best time to dive in Japan?

Accepted Answer

The most popular months to dive in Japan are June, July, August, September, when conditions across the country's 6 dive sites are at their best. Water temperatures and visibility vary by site and region — check individual site pages for monthly forecasts.

Question 2

Do you need a dive certification to dive in Japan?

Accepted Answer

Yes, a dive certification is required. Many sites in Japan are accessible to Open Water certified divers, while others — particularly deeper or higher-current sites — require Advanced Open Water or specialty certifications. Always dive within the limits of your training.

Question 3

How much does diving cost in Japan?

Accepted Answer

Diving costs in Japan range from roughly $80 to $140 USD for a 2-tank dive, depending on the site, operator, and whether you're on a liveaboard or day-boat. Japan spans the mid range price range.

Question 4

What marine life can you see when diving in Japan?

Accepted Answer

Divers in Japan can encounter green turtle, manta ray, humpback whale, nudibranch, mandarin fish, anemonefish, sea snake, pygmy seahorse, among many other species. The country's 6 scored dive sites cover reef, wall, drift, macro, cave, pelagic, shore, wreck diving environments.

Question 5

How does OkToDive rank dive sites in Japan?

Accepted Answer

OkToDive scores every dive site in Japan across 12 weighted categories: marine life, coral health, visibility, site variety, water temperature, depth access, operator quality, topside appeal, getting there, value, crowding, and social proof. Japan's 6 sites average 69.4/100 — the top-rated site is Kerama Islands at 73.8/100.

Best Scuba Diving in Japan