Japan

Explore Japan

Diving in Japan offers a unique underwater adventure, combining vibrant marine life with diverse environments. The Japanese archipelago stretches over thousands of kilometers, creating a plethora of dive sites, each with its own distinct charm. From the icy waters of Hokkaido, where you might encounter sea lions and even drift ice diving, to the tropical seas surrounding Okinawa, teeming with colorful coral reefs and majestic manta rays, Japan provides a spectrum of experiences for divers. Japan's underwater landscapes are as varied as its culture. Divers can explore dramatic walls, mysterious wrecks, and rich kelp forests. The Izu Peninsula, just a short trip from Tokyo, is known for its accessible shore dives where you can find a wide array of marine species. Meanwhile, the Ogasawara Islands, recognized as a UNESCO World Heritage site, offer pristine dive conditions with an abundance of pelagic life. Seasonal changes bring unique opportunities, like the chance to see hammerhead sharks in Yonaguni or the breathtaking coral blooms in summer. Whether you're on a liveaboard expedition exploring the remote Nansei Islands or a leisurely shore dive near a bustling city, the blend of natural beauty and cultural richness makes diving in Japan a truly special experience.

Places to Explore

Honshu

140 Divesites • 65 Centers

Shikoku

15 Divesites • 3 Centers

Kyushu

177 Divesites • 31 Centers

Hokkaidō

8 Divesites

Upcoming Events

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Diver Level Programs / Courses

宮城ダイビングサービス ハイブリッジ

Open Water Diver

Contact the Center for more information.

This globally recognized certification program is the best way to begin your lifelong adventures as a certified scuba diver. Personalized training is combined with in-water practice sessions to ensure you have the skills and experience required to become truly comfortable underwater. You will earn the SSI Open Water Diver certification.

Diver Level Programs / Courses

ピンクマーリンクラブ

Open Water Diver

18 Nov 2025 + 358 more

This globally recognized certification program is the best way to begin your lifelong adventure as a certified scuba diver. Personal training is combined with in-water practice sessions to ensure you have the skills and experience you need to be truly comfortable in the water.

Diver Level Programs / Courses

SSI サービスセンター ジャパン

React Right - Course Combination (FA, CPR, AED, O2)

18 Nov 2025

React Right is SSI’s emergency first response course and provides you with the training and knowledge you need to act as a first responder in a medical emergency. In this flexible dive program, you can choose which subjects you want to learn about, including primary assessment, first aid, CPR and primary stabilization techniques. You can also learn about oxygen administration in diving emergencies and Automated External Defibrillator (AED) basics. Using a combination of academic sessions and practical training scenarios, this program will give you the tools and confidence you need for emergency response. By the time you are certified, you will be able to act as an emergency first responder, provide first aid and CPR, administer oxygen and provide AED support in a medical emergency. Earn your SSI React Right specialty certification. Get started today!

Diver Level Programs / Courses

Stingray International

Diver Stress & Rescue

19 Nov 2025

The SSI Diver Stress and Rescue specialty program teaches you the skills you need to protect yourself and other divers. You will learn how to identify stress, how to prevent accidents and be taught practical techniques to conduct rescues and provide emergency care. With a combination of pool and open water practice sessions, you will become well prepared and confident at handling emergency and rescue situations. Upon completion, you will earn the SSI Diver Stress and Rescue Specialty certification.

Diver Level Programs / Courses

赤沢ダイビングセンター

Dry Suit Diving

19 Nov 2025

Drysuit diving opens up a world of opportunities, including diving remote Arctic destinations and exploring cold-water dive sites teeming with life. Dry suit diving also keeps you warm on multi-dive days when you do not want to spend your time getting in and out of a cold wetsuit. The SSI Dry Suit Diving specialty program is the best way to become a dry suit diver and teaches you all the knowledge and techniques you need to dive safely and comfortably in a dry suit. You will learn how to use specialized equipment, like dry suits and BCs, the benefits of dry suits and how to deal with dry suit emergencies – which are unique to this type of diving. Upon completion, you will earn the SSI Dry Suit Diving specialty certification.

Instructor Evaluation

SSI サービスセンター ジャパン

Instructor Evaluation - IE

19 Nov 2025

Start today - You need to be a Divemaster or equivalent to join SSI´s 3-Step Instructor Training Approach. The training process starts with joining the Assistant Instructor / Instructor Training Course combination accompanied with Digital Learning. After successful completion of the Instructor Training Course (ITC) you will enroll in an Instructor Evaluation (IE) to qualify as an SSI Open Water Instructor. This 10 day training program entitles you to teach various key SSI programs independently like Scuba Diver, Open Water Diver, Enriched Air Nitrox, Diver Stress & Rescue and Dive Guide.

For those who want to take more time to learn and to gain valuable teaching experience between the training programs the 3 parts can also be taken as single steps - Assistant Instructor, Instructor Training Course (ITC) and Instructor Evaluation (IE) one after the other at own pace and with a flexible schedule.

Centers Map

シーカーズ沖縄 SEAKERS OKINAWA

牧港1-57-22-2, 9012131 Urasoe, Okinawa - JPN

宮城ダイビングサービス ハイブリッジ

女川町女川2-61-1シーパルピアD16, 9862265 Oshika-gun, Miyagi - JPN

Toi Diving Service

土肥2915-1, 410-3302 Izu, Shizuoka - JPN

ザ　ダイブファクトリー三薦店

3-6-16 Iguchi,, 181-0011 Mitaka, Tokyo - JPN

獅子浜ダイビングサービス

1-17 Shishihama, Numazu City, 4100104 Numazu, Shizuoka - JPN

オハナ　ウィズ

庄栄町10-5, 4100047 Numazu, Shizuoka - JPN

ピーズクラブ

八丈町大賀郷7640-1, 1001401 HachijoJima, Tokyo - JPN

Best Dive Okinawa

恩納村仲泊94, 9040415 Kunigami-gun, Okinawa - JPN

ステイ　ドリーム

和歌山県田辺市目良29-26, 646-005 Tanabe-shi, Wakayama - JPN

Stingray International

Residence HIGA102,3-7-15 Mashiki, 9012224 Ginowan, Okinawa - JPN

ダイビングショップ NANA

葉山町堀内647, 2400112 Miura-gun, Kanagawa - JPN

ダイビングサービス熱海

静岡県熱海市和田浜南町9-24, 413-0023 Atami-shi, Shizuoka - JPN

Top Dive Sites Map

★★★★☆ Ito

Ito is a relatively new point located in Tateyama, Boso Peninsula, Chiba Prefecture. You’ll see baited sharks and stingrays, as well as large groupers. Boat diving only. There are buoys at either end of a large, narrow root, and depending on the current, the fish will enter from one buoy and rise from the other.

533
Logs
213
Divers
21.0 m
⌀ Depth
13.0 m
⌀ Visibility

★★★★☆ Budaine

There are a number of diving spots around Kamikimoto Island, an uninhabited island off the coast of Shimoda. It is a 20-minute boat ride from the harbor to the dive site. It is a popular spot for hammerhead sharks to appear from summer to autumn when the Kuroshio Current approaches the Izu Peninsula.

707
Logs
195
Divers
24.0 m
⌀ Depth
12.0 m
⌀ Visibility

★★★★☆ Manta Ray Scramble

This dive site, located on the northwest side of Ishigaki Island, has one of the highest rates of encounters with manta rays in the world. It can be reached by boat in 10 to 15 minutes. The water depth is around 10-20m and the tide is relatively calm but can become stronger at times. A small hill in the middle of the sea is a cleaning station where the manta rays come to visit. Manta rays swim around at a depth of 5 to 10 meters, so you can see them by snorkeling.

1,282
Logs
654
Divers
16.0 m
⌀ Depth
20.0 m
⌀ Visibility

★★★★☆ Dobuiso

On Chichijima’s east side, this popular dive site’s channel teems with bigeye jacks, sunfish, blacktip reef sharks, barracuda, and rock cod. Beyond the channel, pelagic fish and large schools abound. Dolphins sometimes appear during the safety stop, adding to the site’s allure.

26
Logs
16
Divers
22.0 m
⌀ Depth
24.0 m
⌀ Visibility

★★★★☆ Mikurajima Island

More than 200 wild dolphins live around Mikurajima. You can swim with them by skin diving only; no scuba diving is allowed. There are two ways to swim with the dolphins here. The first way is you can land on Mikurajima and approach the dolphins in a small boat.

180
Logs
54
Divers
7.0 m
⌀ Depth
13.0 m
⌀ Visibility