[Image1]Day trip diving at a sunken ship from Tokyo.Another Japan sleeping in the sea of Atami.About 45 minu
[Image2]Day trip diving at a sunken ship from Tokyo.Another Japan sleeping in the sea of Atami.About 45 minu
[Image3]Day trip diving at a sunken ship from Tokyo.Another Japan sleeping in the sea of Atami.About 45 minu
[Image4]Day trip diving at a sunken ship from Tokyo.Another Japan sleeping in the sea of Atami.About 45 minu

Day trip diving at a sunken ship from Tokyo.
Another Japan sleeping in the sea of Atami.

About 45 minutes by Shinkansen from Tokyo.
Atami, known as a hot spring resort, has a special place under the sea.
A large sunken ship lies at a depth of about 30 meters.

On this day, we headed to the sea of Atami with guests from overseas and divers who were diving at a sunken ship for the first time.
It takes just about three minutes by boat from the port to the diving point.
Right near the city, there is a sea where you can enjoy authentic sunken ship diving.

Entering the water, we slowly descend along the rope.
Gradually, the shape of a large ship emerges in the blue sea.
Surrounding the ship are numerous fish.
A large school of damselfish swims around the sunken ship.

The ship's hull is visible beyond the school of fish.
The view is completely different from what you see on land in Atami.
It has been about 40 years since this ship sank into the sea.
Having spent a long time underwater, it has now become a habitat for various living creatures.

As the hull gradually changes its appearance, there are different discoveries every time you visit.
If you shine a light and peek into the hull, you might find remnants of the ladders that were used back then.
You may also encounter a large grouper.

The first dive is on the bow side.
The second dive is on the stern side.

Even with the same sunken ship, changing the diving spot alters the scenery.
You can swim while admiring the massive ship, navigate through schools of fish, and observe what remains of the ship.

A ship from about 40 years ago and the marine life of today.
The charm of diving at the sunken ship in Atami is being able to see both at once.

After finishing the dive and coming out of the sea, you find yourself in Atami, one of Japan's leading hot spring resorts.
While being a day trip distance from Tokyo, you can enjoy a day that is a little different from the usual Japanese sightseeing.


🌈Experience a special day by the sea in Japan.

Hokulea Shonan is a small diving shop located in Hiratsuka City, Kanagawa Prefecture.

About an hour by train from Tokyo.

We guide you to the Japanese sea that can be enjoyed as a day trip from Tokyo, focusing on Shonan and Izu.

The tours are small group-based and can accommodate English guidance.

Why not take a look at another Japan sleeping in the sea during your trip to Japan?

We will suggest the best sea for you according to your diving experience and travel schedule.

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Aug. 10, 2026
Half a year in the sea of Izu. A special day to retrieve wine aged on the seabed. Shobuzawa in Higashi-Izu, a short trip from Tokyo. The summer blue sky and calm sea. This day's diving had a slightly different purpose than usual. We are going to retrieve the wine sleeping on the seabed. 🚢 Six months ago, to the seabed of Izu. This January. We placed wine and sake in special cases and sank them to the seabed of Shobuzawa. The location is a sea popular among divers for its sunken ship. About six months later. In July, the day of retrieval finally arrived. How has the bottle spent half a year underwater changed? 🍾 To the sunken ship. Searching for wine sleeping on the seabed. The sea on this day is calm. We head out to sea by boat and start diving. The first goal is to retrieve the liquor that has been on the seabed for half a year. We check the case underwater and proceed with caution. Then, the case slowly rises to the surface. The case that emerged from the sea was covered with shells and marine life. What was once a new case has transformed into something that looks like a "part of the sea" over six months. Once safely retrieved onto the boat, it’s a reunion after half a year. 🌊 The next 21 bottles go back into the sea. Retrieving is not the end. On the second dive, we will transport the liquor to be aged next to the seabed. This time, we sank a total of 21 bottles, including wine and sake. From land to boat. And from the boat to the sea. We carefully transport the case containing the bottles to the seabed and set it up. The next time we meet will be in about six months. We plan to retrieve it around January 2027. 🍷 Wine, sake, and the sea of Izu. When thinking of a trip to Japan, many might picture the streets of Tokyo, temples in Kyoto, hot springs, and Japanese food. However, Japan is a country surrounded by the sea on all sides. If you look a little towards the sea, there is a completely different sense of time in Japan than that of city tourism. Diving in the sea of Izu to retrieve wine sleeping on the seabed. And sinking the next wine for six months later in that sea. Such a day is a unique experience in the sea of Japan. What kind of taste will the liquor retrieved from the seabed have? I will share more about it next time. 🇯🇵 A special day by the sea in Japan. 🌈 Hokule'a Shonan is a small diving shop located in Hiratsuka City, Kanagawa Prefecture. About an hour by train from Tokyo. We guide you to enjoy the sea of Japan, focusing on Shonan and Izu, for day trips from Tokyo. The theme is, "Let’s embark on a journey to an unseen world!" Through diving, we hope you can enjoy the beauty of Japan's sea, its rich nature, and the time spent by the seaside. The tours are limited to small groups. Beginners and those who haven't dived in a while are also welcome to join. We also offer guidance in English. How about adding a day by the sea to your memories of your trip to Japan? We will suggest the best seas for that time based on your diving experience and travel schedule. Please feel free to contact us.
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Jul. 29, 2026
About one hour from Tokyo. A day spent enjoying summer in Japan by the sea. As the rainy season ends, summer truly begins in Japan. In this hot season, why not take a little break from the city and head to the beach? Just a 30-minute drive from Hokulea Shonan, the destination is Enoura, a small seaside town in Kanagawa Prefecture. Although it is a place you can visit on a day trip from Tokyo, time flows differently there compared to the city. The blue sky. The calm sea. Just listening to the sound of the waves naturally relaxes your mind. And then, into the water. The moment you enter the sea, the cool water envelops your entire body. This comfort makes you forget the summer heat. "I want to dive a little longer." It felt like I could hear such voices throughout the day. In this season, there are summer-only scenes beneath the sea. Clownfish have begun to spawn. The sight of parent fish carefully protecting their eggs is a special scene you can only encounter at this time. Diving is not just about enjoying the underwater scenery. Visiting a seaside town, feeling the seasons, and experiencing Japan's natural beauty. Such moments are also an important part of this experience. For those with a license, of course, we also offer introductory diving for beginners. How about adding a day at the sea to your Tokyo trip? Japan's hidden charms are surely waiting for you, not found in guidebooks. Experience a special day by the sea in Japan. 🌈 Hokulea Shonan is a small diving shop located in Hiratsuka City, Kanagawa Prefecture. About one hour by train from Tokyo. We guide you to Japan's seas, including Shonan and Izu, which can be enjoyed on a day trip from Tokyo. The theme is, "Let's embark on a journey to the unseen world!" Through diving, we hope you can feel the beauty of Japan's seas, its rich nature, and the leisurely flow of time by the seaside. Our tours are small group-based. Beginners and those who are not confident swimmers can participate with peace of mind. We also offer guidance in English. Why not add a day by the sea to your memories of your trip to Japan? We will suggest the perfect sea experience for you, tailored to your diving experience and travel schedule. Feel free to contact us!