13 buzz-worthy pools in Japan where you can really make a splash, all day long!

These larger-than-life facilities boast a number of different pools, water slides, water attractions, restaurants, and shops. If you’re looking for a full day escape or a number of pools to dip into, water parks might be the pick for you.

There are a number of theme parks where you can find pools, many of which are large enough to be called water parks. If you want the best of themepark rides AND pool fun, this is the type for you.

Don't underestimate the pools found at hotels and resorts. At some destinations you may even find spots with all the scale and thrills of a themepark, or pools you can enjoy all day without having to leave the hotel. In these spots you’ll often find bonus services at adjacent spas, making this the ideal spot if you’re really looking to unwind.

This large-scale leisure facility has both outdoor and indoor pools, as well as amusement park attractions. The Adventure Dome (indoor pool) allows you to enjoy the pool regardless of the season or weather. The wave pool and water slides are also a hit. On the amusement park side you’ll find anything from thrilling scream-inducing rides to laid-back ones, ensuring fun for both adults and children.

Yomiuri Land is a long-loved, iconic amusement park that sits in the area spanning between Kawasaki in Kanagawa and Inagi City in Tokyo. Sitting just 30 minutes or so from Shinjuku Station, it’s also pleasantly easy to get to. At the park you’ll find endless attractions all year around including fun at the pool in the summer, winter illumination events in winter and plenty more to love for children and adults alike.
For water fun there’s 5 different types of pools and 3 different water slides. You can try your hand at the huge slide with friends or check out the shallow pool with the kids. At night there’s even nighttime pool programming that’s perfect for a date.

At this full-on amusement escape you’ll find plenty of fun for families and couples alike. The grounds center around 6 different theme parks that source the hot springs waters of Iwaki Yumoto Onsen, all while bringing together the fun and game of dance stages, restaurants, hotels and more. The majority of the resort is indoors, meaning there are hot springs to enjoy and plenty of tropical vibes no matter what the season or weather.
At the center of the resort you’ll find a massive pool inside the all-weather dome, a lazy river, water slides, dances shows at the beach theatre and a Hula Museum that showcases the history and customs of Hawaii.

This spot is a whopping 1.5 times the size of Tokyo Dome!
Open from early July to late September each year, this spot is home to the largest leisure pool in Chiba Prefecture. Once here you’ll find 19 different pools await, both large and small, including a lazy river for an easy float or all the thrills at the athletic pool. Among these, you won’t want to miss the thrills at the Splash Shaker slide (400 yen per ride) where you ride an oversized rubber boat before sliding down the 20-meter drop to the ground!

Inage Seaside Park is a comprehensive park that’s home to a number of different attractions, with vast grounds that span approximately 83 hectares across a 3km beside Tokyo Bay. Once here you’ll find plenty of thrills, including a beach, pool, yacht harbor, sporting sites, BBQ grounds and a botanical garden.
At the Inage Seaside Park Pool specifically you’ll find ever-popular water thrills like the boomerang sliders and giant water slides.

Known as the oldest amusement park in Japan that is still in operation, this historical amusement park is loved by locals in the Kansai area under the nickname "Hirapah".
The park boasts 40 attractions that both adults and children can enjoy.
In the summer season you’ll even find The Boon, a seasonal-exclusive that opens with giant pools and high-speed water slides.

This is one of the largest theme parks in the Chugoku and Shikoku area. Inside you’ll find amusement grounds with 22 different attractions including roller coasters, VR experiences, an oversized Ferris Wheel, character parades, as well as themed areas like Reoma Flower World, where seasonal flowers like tulips and roses await. There’s even Oriental Trip, a park that recreates the iconic ruins of Asia and so much more that can’t be covered in a single day.
During the summer months Reoma Waterland, a seasonal exclusive resort pool comes into play. Here you’ll find plenty of water play, including the largest lazy river in the Chugoku and Shikoku region, measuring 260m, a kid's pool, bucket splash, jacuzzi, and even an aqua surf pool that gives you a real taste of resort vibes!

This is one of the largest amusement parks in Japan, equipped with some of the most action-packed attractions in the country. Of all the rides the most popular is Hakugei (White Whale), the world’s largest hybrid coaster. It rushes from a maximum height of 55m at an angle of 80 degrees and a top speed of 107 km/h, offering a truly thrilling experience like a ferocious white whale crossing rough waves!
You also won’t want to miss the larger-than-life pool that gets plenty of buzz each summer. With popular rides like 'JAPAAAAN', one of the world's largest complex water rides, the intricately intertwined 'Tornado Slider', the thrilling 'Super Raging Pool' that overcomes big waves, and the 'Surfing Pool' where waves surge just like the sea, there’s way more to see than you can cover in a day.

Located within a park in Fukaya City, Saitama Prefecture, 'Aqua Paradise Patio' boasts a vast site area of about 54,000m².
It's an indoor leisure pool modeled after resorts along the Mediterranean coast, not only offering a wave pool and water slides but also a sauna and jacuzzi, allowing for a resort-like experience beyond just playing.
Since there are BBQ spots and camping grounds, you can even enjoy some BBQ after a dip in the pool, or stay overnight in a tent. With so much to enjoy you’ll love the chance to enjoy all the summer vacation vibes in one place.

At the theme park 'Shibamasa World' in Sakai City, Fukui Prefecture, there’s plenty to enjoy like pirate rides, sports attractions and thrilling puzzle games.
There’s even a resort pool, one of the largest in Japan with 50 thrilling slides that thrill-lovers won’ be able to resist.
With wave pools and lazy rivers, even those who aren't fond of water slides will find something to love.
At night you’ll find the pool all a-glow with evening illuminations, giving you the mystic atmosphere of swimming under the starry night sky.

Oiso Long Beach is the famed resort that adults love in Kanagawa Prefecture.
Inside you’ll find the resort escape of your dreams, with rooms, restaurants, spas, saunas, and even golf courses, all in luxe spaces with stunning views out over Sagami Bay.
The biggest highlight of Oiso Long Beach, directly connected to Oiso Price Hotel, is the massive lazy river that stretches for an entire kilometer.
Riding on a float and drifting along while taking in views of the Pacific Ocean is a moment of pure bliss.
There are also water slides and a variety of pools suitable for children, making it a pool that can be enjoyed by everyone.

Chateraise Gateaux Kingdom Sapporo in Sapporo, Hokkaido, is a perfect resort facility for families to spend a leisurely time away. It offers family-friendly rooms, buffets that satisfy both adults and children, and onsen facilities.
The resort-style pool is complemented by toddler-friendly pools perfect for their first-time pool experience, kid-friendly pools, and water slides.
This facility can fulfill the selfish wish of "wanting to relax with family while also enjoying the pool".

'Lala Matsumoto ' in Matsumoto City, Nagano Prefecture, maintains a water temperature of around 30°C throughout the year. Working as an indoor pool, visitors here are promised plenty of water fun in summer and all year around.
With its indoor onsen pool spanning approximately 3,880㎡, it provides a spacious environment where you can relax even if there’s a crowd.
Despite being indoors, there's a water slide, making it a perfect pool for those who want to enjoy a pool experience outside of the summer season.
With dining facilities, onsen, sauna, and rest areas available, it's also great that you can rest comfortably after tiring yourself out from playing.

In Japan, many locals still associate tattoos with uncooperative society members, meaning there are a number of pools that will not permit entry to tattoo-baring patrons. There are some destinations that accommodate guests with tattoos but they are few in number.

To prevent accidents at the pool, many pools prohibit not only bringing in alcohol but also entering the pool after drinking. If you want to drink alcohol at the pool, look for hotel-attached pools or night pools where drinking is often allowed.

This may not be explicitly stated at each destination, but there is an expected common courtesy that guests shower before entering the pool to rinse off sweat, dirt, and suntan oil. To prevent any trouble later, take a shower in the facility before entering the pool at any location you visit.