
The Seagaia Ocean Dome, located in Miyazaki, Japan, was the biggest indoor waterpark in the world. An “Ocean” six times the size of an Olympic pool, filled with 13,500 tons of unsalted, chlorinated water kept heated at 28 degrees Celsius and recognized as the largest simulated pool by the Guinness Book of World Records, measures 12,000 square meters of the sandy beach made from 600 tons of stone.
When you first view photos of the largest indoor water park in the world, you could mistakenly believe that they were taken on a sunny day on an oceanside sand dune.
We are, however, in a 1993-built structure that was constructed in Japan. The enormous building includes a 300-meter-long and 100-meter-wide dome that opens when it’s sunny.

The water park’s water is a comfortable 28 C, while the air temperature is a consistent 30 C. The water park also has wave generators installed, which can create waves that are several meters high.

The largest indoor water park in the world, Seagaia Ocean Dome, is listed in the Guinness Book of Records.

But the project ended up failing for the water park’s proprietors because it only attracted a maximum of 1.25 million people per year rather than the planned 2.5 million. The Seagaia Ocean Dome was closed in 2007 as a result of significant losses. The water park’s owners don’t currently have any intentions to reopen it.
Few people are aware that Japan is home to a warm ocean with thousands of tons of water. The Guinness Book of Records lists the 38-meter-tall indoor pool and waterpark “Seagaia Ocean Dome” (“Ocean Dome”) as the largest water park in the world.
Shigaya, one of Japan’s most popular tourist destinations, is where the water park is situated on the island of Kyushu. When the park first opened in 1993, more than a million visitors per year were coming through. The entertainment area is 300 meters long and 100 meters wide, with a water temperature that remains constant at 28 degrees Celsius and an ambient temperature of around 30 degrees Celsius. The water park is regarded as not only the largest but also the most magnificent in Japan, with an enormous number of acts and an endless variety of entertainment.
The Ocean Dome basin’s shoreline is covered in a prodigious amount of marble sand. Additionally, you may see the stunning rainforest nearby, where it never rains and there are no insects to be found.
Along with the white sand beaches, the water park offers thrilling slides and other water activities, as well as spa services and swimming pools with hydromassage features. This is a true surfer’s heaven because of the artificial waves. Undoubtedly, at such a location, where there is a long street for shopping, you may seriously get carried away. Tourists take in all of this under a translucent cover that may be opened depending on the weather.

There are hotels nearby that range in star quality for the convenience of tourists, so there shouldn’t be any issues with temporary housing.
With regard to the caliber of its attractions, the Ocean Dome water park can legitimately be regarded as the most exquisite, unique, and outstanding in the entire world.
Adult admission is 2,600 yen, while child admission is 1,600 yen and under-4 admission is 800 yen. For those who are staying at the Sheraton Hotel, there is a 300 yen discount. The Sheraton hotel chain owns the Ocean Dome.

The largest indoor water park in the world, according to the Guinness Book of Records, is called “Ocean Dome” or Seagaia Ocean Dome (from the English words “sea” and “gaia,” the ancient Greek goddess of the earth). The Sheraton hotel chain is the proprietor of this establishment, which is found in Miyazaki, on the island of Kyushu. The water park’s dome is 300 meters long and 100 meters wide. The biggest number of visitors (1 250 000) came in 1995, after it first opened in 1993. The water park has an opening dome that ensures that the air temperature never drops below 30 °C and the water never gets colder than 28 °C.


An artificial ocean, limitless beaches with white marble sand, tropical woods, wave, and hydromassage pools, a variety of slides for all tastes and ages, cascades and jacuzzis, restaurants, and movie theaters made up the water park, which was truly a paradise. Here, incredible man-made waves were produced for surfers. A “volcanic eruption” could also be seen at the water park, and there were different entrancing light-effects displays in night. Even in this paradise, though, not everything was perfect. The proprietors of the biggest water park in the world discovered that it was not profitable.
The water park owed more than 2.5 billion dollars in debt by the year 2000. At this period, Japan was experiencing a protracted economic crisis, which naturally had an impact on traveler traffic at the Shigaya resort. It was thereafter sold. In 2002, he started working again. However, despite all efforts to preserve this marvel of human engineering, the water park was ultimately chosen to close in 2007. The Miyazaki prefecture government gave up on the plan to rebuild it later in 2010.
There won’t be any bothersome insects, burns, or marine reptiles, but only nearby. Such a haven of paradise can now be made attainable by contemporary technology.
Paradise, what is it? There is consistently nice weather, a beach with fine, white sand, and the sound of the waves. However, to do this you must travel to warm countries abroad. Who knows? Visit the neighborhood water park. Naturally, this is all fantastic, but I still want to go to a real beach, so people start looking for intriguing, unusual areas. The water park Ocean Dome is one of them. It is indeed so extraordinary that it is listed in the Guinness Book of Records.
On the Japanese island of Kyushu, there is a miracle. The largest resort in the world, Sigaya, is located there and is a popular destination for both tourists and locals. It has a surface area of 700 hectares! You simply cannot comprehend its size.

Why is the water park called what it is called? The problem is that a distinctive man-made sky dome blocks access to the resort’s beaches. Underneath it is a sizable ocean. There, the water is consistently between 28 and 30 degrees. The Ocean Dome is thought to be the most well-known location of the entire Sigaya resort.
What has made him famous? With the capacity to house 10,000 people simultaneously, this building is magnificent in its type.

The Ocean Dome was about to close in 2001. The resort’s owners owe $ 2.5 billion in debt. And this despite the fact that the water park’s entrance fee is very high. You will need to pay around $100 to enter in fair weather. It is a fact that Japan’s economy was struggling at the time. The resort’s popularity rapidly decreased as fewer Japanese could afford to spend a lot of money on vacations. A less extravagant water park that required money to attend was also close by.
The proprietor battled the situation for many years while attempting to uphold his idea. After seven years, he was successful. The crisis is over, and the water park is still popular.



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