All about Scuba Diving in Japan presented by Marine Diving

Marine Diving Fair2026 in Tokyo！
34th annual Asia's Largest Scuba Diving Show

2026 3(Fri), 4 (Sat), 5(Sun) April Bunka Kaikan 2F (D Hall), Sunshine City,

Dive into the Blue Earth!
Be a Diver!

A Festival for People Who Love the Ocean and Travel

The Marine Diving Fair is an event for everyone who loves the sea, travel, photography, and having fun. If you love the ocean or are thinking about starting diving, you are more than welcome!
With one of the largest numbers of booths in Asia, the fair features domestic and international travel destinations, diving license consultations, cameras, marine-related products, and more. About 30,000 people attend the event. A wide variety of stage programs are also held.
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https://en.marinediving.com/mdf/

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Marine Diving WEB
https://en.marinediving.com

Great Photographers in Japan

This is a new series introducing leading photographers in the Japanese diving world. We will introduce Japanese photographers who continue to convey the wonders of the ocean both in Japan and abroad, along with their activities.

Series 2
A nature photographer who portrays the cycle of people, nature, water and life
Junji Takasago
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https://en.marinediving.com/photography/professional-takasago/

Great Photographers in Japan Series 1

This is a new series introducing leading photographers in the Japanese diving world. We will introduce Japanese photographers who continue to convey the wonders of the ocean both in Japan and abroad, along with their activities.

The current leading figure in underwater photography in Japan
Ikuo Nakamura
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https://en.marinediving.com/photography/professional-ikuo_nakamura/

An island within Tokyo blessed by the Kuroshio Current,
Three reasons why Hachijo Island is loved

Hachijo Island (Hachijojima) is an isolated island in the Pacific Ocean, 290 km south of central Tokyo, with a circumference of about 59 km. The island is strongly influenced by the Kuroshio Current, resulting in exceptionally clear waters, known as “Hachijo Blue” for most of the year.
The underwater world of Hachijo Island is home to many creatures that travel from the south on the Kuroshio Current, including rare butterflyfish, a wide variety of sea slugs, shrimp, crabs, sharks, and migratory fish. Diving around the island, which was formed by volcanic activity, also offers the chance to enjoy the dynamic topography.
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https://en.marinediving.com/topics/type7/11543.html

Table coral are spawning in Kushimoto!
Report from Nanki Seaman's Club

Kushimoto Town, located at the southernmost tip of Honshu, is known for the coral colonies that have formed there due to the influence of the Kuroshio Current, one of the world’s largest warm currents. Among them, the Acropora hyacinthus, which forms the table coral that symbolizes Kushimoto, spawned en masse on the night of July 13th 2025. This was reported by Nanki Seaman’s Club, a long-established and popular diving center in Kushimoto.
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Table coral are spawning in Kushimoto,Wakayama | News & Topics | Marine Diving web The sea of Kushimoto is known for its colonies of table coral. A guide from a popular diving center reports on the mysterious coral spawning scene!

Local guides tell you about the amazing ocean
Dive with hammerhead sharks in Mikomoto Island

shimoda, located at the southern tip of the Izu Peninsula can be visited as a day trip from Tokyo as it is a 3-4 hours drive. Mikomotojima, an uninhabited island about 11km off the coast of Shimoda, is now extremely popular with divers from both Japan and abroad, as it is a place where you can encounter schools of hammerhead sharks. So, where and when can you actually see hammerhead sharks? On Marine Diving Web you will find the latest information on Mikomoto Island obtained from guide divers from KAIYUSYA and Mikomoto Hammers, both of which are based in this area.
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https://en.marinediving.com/topics/type7/11560.html

https://en.marinediving.com/

Dive with hammerhead sharks in Mikomoto Island | News & Topics | Marine Diving web Mikomotojima, an uninhabited island just 3-4 hours by car from Tokyo, is Japan's Galapagos, home to hordes of hammerhead sharks! A local guide shares the latest information.

River Diving in Kozagawa, Wakayama Prefecture
Successful Filming the Giant Salamander, the World’s Largest Amphibian

Do you know what special day September 9 is? It is “Giant Salamander Day” in Japan. In honor of that, today I’d like to share something about the rare giant salamander, the world’s largest amphibian.
The information came from Naofumi Ueda of DIVE KOOZA, located in the Nanki region of Wakayama Prefecture. In the clear streams of Kozagawa River, giant salamanders live, and they can be observed through river diving. Basically, you search until you find one. Sometimes you spot one right after entering the river. Other times, after hours of searching, you might see just a portion of its body sticking out from under a rock and then it’s all you catch.
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🔹https://en.marinediving.com/topics/type7/11581.html

🔹Welcome to Marine Diving WEB
All about scuba diving in JAPAN!
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https://en.marinediving.com/

Asia's largest diving event
The image poster for the Marine Diving Fair 2026 has been released!
Held: April 3rd (Friday) to April 5th (Sunday) 2026, Ikebukuro Sunshine City

The Marine Diving Fair, which started in 1993, will be held for the 34th time. In addition to a collection of booths from domestic and international diving areas, there is also an exhibition of the latest diving equipment, an underwater photography and video corner, and a school corner where you can learn about courses to become a diver. There is also a stage program, so you can enjoy the fair all day long! See you at the “Marine Diving Fair 2026” venue from April 3rd to 5th!
About Marine Diving Fair, click here for details
Click here to apply for a booth
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https://marinediving.com/mdf/about/index_e.shtml

https://marinediving.com/mdf/brochure/index_e.shtml

Hit the jackpot with cold water mass!
Ocean sunfish appears on Hachijojima!

Hachijojima is a popular diving area in the Izu Islands. A rare visitor showed up during the three-day weekend! Here’s a video of it.
Mr. Kotaro Tanaka from the diving center “Concolor”, who filmed this video, says: When the Kuroshio Current moved away from Hachijojima, the island is sometimes surrounded by cold, murky water, cold water mass. This year, for the first time in eight years, we were hit by a cold water mass, and the joy of such times is that the probability of seeing ocean sunfish increases dramatically. This video was taken off the coast of Taredo.
Hachijojima is located about 290 km south of central Tokyo. You can get there by boat from Takeshiba Pier in Hamamatsucho, Tokyo at night and arrive at Hachijojima the next morning, in about 10 hours. Alternatively, you can take a direct ANA flight from Haneda Airport, which takes about 40 minutes, making it easy to visit according to your schedule and preferences.
Why not come and enjoy the dynamic ocean of Hachijojima this summer? You might even be able to see some ocean sunfish!

☆Information and video provided by Concolor

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Ocean sunfish appears on Hachijojima! | News & Topics | Marine Diving web Hachijojima is a popular diving area in the Izu Islands, south Tokyo. Here's a video of a sunfish that emerged thanks to a mass of cold water.

Asia's largest diving event
The image poster for the Marine Diving Fair 2026 has been released!
Held: April 3rd (Friday) to April 5th (Sunday) 2026, Ikebukuro Sunshine City

The image poster for the Marine Diving Fair 2026, 34th Asia’s largest scuba diving event, has been released! The photographer of this impressive poster is Masayuki Agawa, who has taken many images of sharks, this one in Mikomoto, Izu peninsula.
The Marine Diving Fair, which started in 1993, will be held for the 34th time. In addition to a collection of booths from domestic and international diving areas, there is also an exhibition of the latest diving equipment, an underwater photography and video corner, and a school corner where you can learn about courses to become a diver. There is also a stage program, so you can enjoy the fair all day long! See you at the “Marine Diving Fair 2026” venue from April 3rd to 5th!

About Marine Diving Fair, click here for details

Click here to apply for a booth
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🔹https://marinediving.com/mdf/about/index_e.shtml

The Amami Islands will participate in the 33rd Marine Diving Fair 2025, held from April 4 (Fri) to April 6 (Sun)!
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Amami Islands to Exhibit at Marine Diving Fair 2025 | Marine Diving web The Amami Islands will be featured at the Marine Diving Fair 2025 from April 4-6. These subtropical islands, located between Kagoshima and Okinawa, offer diverse marine environments and unique cultural experiences. Visit the booth to hear from local guides and plan your perfect diving adventure!