10 Best Swimming Pools in Tokyo in 2026

Make A Splash: Best Swimming Pools in Tokyo to Cool Down in 2026

Ah, the sweltering Tokyo summer! It’s a season filled with the gentle rustle of yukata, the crackling sizzle of yakitori, and the delightful tunes of a nearby matsuri. However, as the mercury rises, the city dwellers crave something more refreshing, like a dip in the best swimming pools in Tokyo.

So we’ve done the research so you don’t have to, and found a few aquatic gems that fit the bill perfectly. Don’t expect some run-of-the-mill swimming pools; these are cool, inviting oases amid the urban bustle. Ready to dive in? Let’s embark on this splash-tacular journey together.


1. Hotel New Otani Tokyo’s “Garden Pool”

Hotel New Otani Tokyo's "Garden Pool"
© New Otani Co., Ltd.

This is one of the outdoor pools of Hotel New Otani, which is a part of the summer tradition of the hotel. During the day, it serves as an open resort pool with a pleasant breeze, and at night, it transforms into a fantastic night pool where you can stop by after work.

The pool is surrounded by a vast Japanese garden, providing a magnificent space filled with an extraordinary feeling, despite being in the center of the city. They also offer poolside dining options.

Opening period:

  • Early Summer: June 1 – July 7, 2026
  • Mid-Summer: July 10 – September 6, 2026
  • Late-Summer: September 7 – September 23, 2026

Admission fee: During the Early Summer period, general admission starts from ¥5,000 for adults and ¥2,000 for children (ages 4–12) on weekdays. During the Mid-Summer period (starting July 10), general admission is ¥15,000 on weekdays and ¥20,000 on weekends/holidays (¥5,000/¥7,000 for children). See the official website for details on night rates, guest rates, and club memberships.

Opening times: 11:00–19:00 (Early/Late Summer) and 10:00–22:00 (Mid-Summer). Midnight pool is open until 0:00 AM on August 7, 8, 14, 15, 21, & 28, 2026.

2. Hilton Tokyo Bay’s “Garden Pool”

Hilton Tokyo Bay's "Garden Pool"
© Hilton Tokyo Bay

An official hotel of Tokyo Disney Resort, it opens its summer-limited outdoor pool “Garden Pool” from June to September. The pool is one of the largest outdoor pools among those in the metropolitan area hotels.

In 2026, the outdoor pool operates strictly on a reverse concept called the “Garden Pool Restaurant.” To enter, you must book a prepaid table package via TableCheck or their Official Website. The pricing includes one beverage, one snack, a reserved deck chair, and guaranteed pool access.

Opening period: June 1 – September 30, 2026 (day-visitors allowed from June 27)

Admission Fee: Weekday slots start from ¥3,000 for hotel guests, with separate premium time slots and higher pricing tier brackets for day-visitors (starting June 27). See website for details.

Opening times: Varies heavily by slot. June/September: 10:00–16:00. High summer (June 27 – Sept 7): Morning (9:00–13:00), Afternoon (13:30–17:30), and Night Pool (18:00–21:30).

3. Terrace Pool “Grand Blue” at Grand Nikko Tokyo Daiba

Pool & Spa at Grand Nikko Tokyo Daiba
© 2021–2026 GRAND NIKKO TOKYO Co., Ltd.

The Terrace Pool “Grand Blue” at Grand Nikko Tokyo Daiba is a luxurious swimming experience with stunning views of the Rainbow Bridge and Tokyo Bay. The pool is known for its stylish design and top-notch facilities, where guests can enjoy a leisurely swim, relax in the spa, or work out in the fitness center.

The pool’s prime location and upscale amenities make it a popular choice for both locals and tourists. Advance reservation is required. 

Opening period: July 11 – August 31, 2026

Admission Fee: General admission is ¥8,000 for adults and ¥4,000 for children (between 3 and elementary school age) on weekdays during the day. Weekday nights are ¥6,000 for adults only. Weekends, holidays, and August 10, 12-14 is ¥12,000 for adults and ¥6,000  for children, while nights on the same dates are ¥9,000 for adults only. Reservations in advance are required. 

Opening times: Daytime 10:00-16:00 (last entry 15:00), nighttime 17:00-21:00 (last entry 20:00).

4. Grand Nikko Tokyo Bay Maihama’s “Grand Bleu” Pool

Indoor and outdoor pool at Grand Nikko Tokyo Bay Maihama
© GRAND NIKKO TOKYO BAY MAIHAMA

Transport yourself to a Southern European resort at Grand Nikko Tokyo Bay Maihama’s stunning pool facility, “Grand Bleu”. Designed to mimic a Mediterranean port town surrounded by a sparkling sea and refreshing coastal breezes, this destination features a large, heated indoor pool open year-round alongside a fantastic summer-only outdoor pool area.

The outdoor space includes an 18-meter main pool and a shallower, 5-meter kids’ splash zone (62cm deep), making it highly popular for families. During peak summer, a dedicated poolside counter opens up to serve snacks, soft drinks, and tropical mocktails. To make the most of your trip, consider booking their special pool-access stay packages which bundle morning buffets with guaranteed entry slots. Online advance reservations are highly recommended, as walk-ins are subject to capacity limits.

Opening period:

  • Summer Pool Season: July 1 – September 30, 2026
  • Night Pool Block: August 8 – August 16 (restricted to junior high school students and older)

Admission Fee: Rates vary heavily by calendar date and entry slot (fully split into morning and afternoon sessions during peak summer). Hotel overnight guests receive a massive discount (starting at just ¥3,000 for adults). General visitor pricing starts at ¥5,000 for adults and ¥3,500 for children (ages 4–12) on off-peak weekdays, scaling up to ¥8,500/¥4,500 during mid-August peak times.

Opening times: Varies by date block. Standard off-peak hours are 10:00–17:00. Peak summer operates in strict sessions: Part 1 (9:00–14:00 or 8:30–12:30) and Part 2 (15:00–20:00 or 13:30–17:30). Night pool sessions run from 18:30–21:30.

5. Tokyo Summerland

Tokyo Summerland
© Tokyo Summerland Co.,Ltd.

Tokyo Summerland is a thrilling amusement park that promises a splash of fun for everyone! Dive into the Adventure Dome, an indoor tropical paradise with water rafts and a Jacuzzi, perfect for any weather. Or, float your worries away on Japan’s longest lazy river at the Adventure Lagoon.

And if you’re up for some dry fun, head over to Thrill Mountain for an array of amusement rides. With a One-Day Pass, you can enjoy unlimited access to all these attractions. Just remember, no tattoos are allowed! Ready for a day of unforgettable fun? Tokyo Summerland awaits!

Opening period:

  • Indoor Pools: March 20 – October 12, 2026
  • Outdoor Adventure Lagoon: July 4 – September 27 (Note: Limited outdoor pool preview open weekends only in June)

Admission Fee: Options range from ¥2,600 to ¥5,200 depending on the season and date. A dated 1-Day Pass must be purchased entirely in advance online, as same-day ticket sales are not available at the physical park gate.

Opening times: Standard operational hours are 10:00–17:00 on weekdays and 9:00–18:00 on weekends & holidays. Hours extend to 9:00–19:00 during peak summer (late July through August). Check the official calendar before visiting as hours fluctuate slightly by week.

6. ANA InterContinental Tokyo Garden Pool

ANA InterContinental Tokyo Garden Pool
© 2023 The Hotelier Group Akasaka K.K.

The ANA InterContinental Tokyo’s Summer Beach Club is a lavish urban oasis in the heart of Tokyo. This 20-meter open-air swimming pool on the 4th floor offers guests a chance to relax and soak up the sunshine while enjoying the city’s skyline.

After sunset, the pool reflects the shimmering lights of the city and Tokyo Tower, mirroring the vibrance and energy of Tokyo. The poolside snack bar provides light snacks, drinks, and summer cocktails. The pool facilities include a 20-meter outdoor swimming pool and a shallow, 6-meter round children’s pool.

For an elevated night pool experience, the hotel hosts a unique Silent DJ event every Saturday night throughout July and August (excluding August 1). Users with wireless headphones (rentals available for an additional fee) will be able to immerse themselves in an exclusive, high-energy live soundtrack mixed by poolside DJs while floating in the water or lounging on a deck chair under the city lights.

Please note that noticeable tattoos must be covered. Advance reservation is required.

Opening period: June 1 – September 30, 2026

Admission Fee: Entry is split into a 3-session system (All-day slots are also available). Admission includes locker, towel, and beach sandal rental. Hotel guests enter free. Note: Children 5 and under are free but restricted to the toddler pool area.

  • June/September (Off-Peak Weekdays): ¥2,500 per session / ¥6,500 all day.
  • June/September (Weekends/Holidays): ¥3,000–¥4,000 per session / ¥8,500 all day.
  • July/August (Peak Summer Weekdays): ¥4,000 per session / ¥10,000 all day.
  • July/August (Peak Weekends & Obon Block Aug 12–14): ¥6,000 per session / ¥14,000 all day.

Opening times: 10:00–21:50 daily. Session 1: 10:00–13:50; Session 2: 14:00–17:50; Session 3 (Night Pool): 18:00–21:50.

7. Hotel East 21 Tokyo Garden Pool

Hotel East 21 Tokyo Garden Pool
© Hotel East 21 Tokyo

Immerse yourself in the refreshing retreat that is the Hotel East 21 Tokyo Garden Pool. This splendid pool offers the perfect escape from the city’s hustle and bustle, where you can enjoy a refreshing swim under the sun. As evening falls, the pool transforms into a magical night-time retreat, twinkling under the stars.

The poolside Garden Cafe serves up a variety of drinks and light meals, perfect for a leisurely day by the pool. Whether you’re a hotel guest or a day visitor, this pool offers a unique and relaxing experience in the heart of Tokyo. Visible tattoos are not allowed.

Opening period: June 27 – September 30, 2026

Admission Fee: This facility now mandates a date-specified online advance reservation via their ticketing system on their website. Rates vary heavily by time block:

  • Off-Peak (June 27–July 17 & Sept 1–30): Weekday Day or Night pass is ¥7,000 for adults / ¥3,500 for kids. Weekends are ¥8,000 / ¥4,000.

  • High Summer (July 18–August 31): Weekday Day or Night pass jumps to ¥10,000 for adults / ¥5,000 for kids. Weekends and the Obon block (Aug 10–14) peak at ¥14,000 / ¥7,000.

Opening times: Strict separation between Day and Night pool sessions.

  • Day Pool: 13:00–17:00 (Off-peak blocks); 11:00–17:00 (July 18–Aug 31 peak season).

  • Night Pool: 18:00–22:00 (Closes at 23:00 during the July 18–Aug 31 peak block). Note that the Night Pool is restricted to ages 16 and up.

8. Aqua Field Shiba Koen

Aqua Field Shiba Koen
© Minato-ku Sports Center

With nice views of nearby Tokyo Tower, this city-run, summer-only pool is one of the more popular swimming spots in central Tokyo. The pool is part of the Shiba Koen Multipurpose Sports Ground, so outside of summer when the pool is not in use, it’s a futsal court instead.

The 50-meter, eight-lane pool is one of the most affordable despite its great location, although entry is limited to 2 hours, with an extension of up to 1 more hour only. There is also a children’s pool available. No advance reservation is required, tickets can be purchased from a vending machine on site. Visible tattoos are not allowed.

Opening period: July 1 – September 15, 2026

Admission Fee: ¥600 for 2 hours for adults and ¥100 for children (between elementary and high school students). A maximum of 1-hour extension is available for an additional ¥300 for adults and ¥50 for children.

YY 9:00-20:00 (July/August), 9:00-17:00 (September)

9. Yomiuriland Pool WAI

Yomiuriland Pool WAI
© YOMIURI LAND

Yomiuri Land Pool WAI is a water amusement island that brings a taste of the South Pacific to Tokyo. With beautiful palm trees and a beach-like shoreline, this pool will make you feel like you’re at the water’s edge. The park offers more fun than you can handle, with thrilling water slides and a variety of pools, from the lazy river to full-size diving pools.

For 2026, they have introduced the Bubble Oasis, a brand-new, 100㎡ heated outdoor spa pool filled with soothing micro-bubbles, perfect for relaxing when the evening air cools down.

As the sun sets, the pools gain a new sense of refinement and style with relaxing music and mood lighting, creating a space for adults to completely relax. The park also offers a variety of entry fees and passes, including a One-Day Pass that includes pool access. Visible tattoos are not allowed.

Opening period: June 27 – September 23, 2026.

Admission Fee: Prices dynamically fluctuate by day. Standard online tickets range between ¥3,400 and ¥4,000 for adults, ¥2,700–¥3,200 for teens, and ¥2,300–¥2,700 for children. Night pool-only entry starts from ¥2,200 online (¥2,400 at the gate).

Opening times:

  • Standard Daytime Hours: Weekdays during early summer and September typically run 10:00–17:00. On weekends, holidays, and throughout the peak mid-summer stretch (late July through August), daytime hours expand to 9:00–17:00.
  • Night Pool Hours: On the 50 designated night pool dates (July 11–12, 18–20; daily from July 25 – September 2; September 4–6, 12–13), swim time extends directly until 20:30 (night ticket entry begins at 17:00, with night swimming starting at 17:15).

10. Aqua Blue Tama

Aqua Blue Tama
©︎Aqua Blue Tama

Last but not least, and unlike other pools in this list, this facility is available year-round! The closest you will get to a  tropical paradise is Aqua Blue Tama, located in Tama City, western Tokyo. This heated indoor pool facility is a fitness enthusiast’s dream at an incredible price. Swim to your heart’s content in the pool, build your strength in the gym, or engage in a variety of activities like aerobics and yoga in the mini sports hall.

Aqua Blue Tama even offers classes to enhance your swimming skills or introduce you to various sports. Affordable and accessible, Aqua Blue Tama is your passport to a day filled with fun and fitness. Dive in and make a splash today!

Opening period: Open year-round. Typically closed on Tuesdays. However, to accommodate the heavy summer rush, they adapt their schedule: they are completely open with zero closing days in August, and in July they remain open on the 1st, 3rd, 4th, and 5th Tuesdays of the month.

Admission Fee: General admission is ¥620 for 2 hours for adults and ¥310 for children (Middle school students and under). An extension is available at a rate of ¥300/hour for adults and ¥150/hour for children.

Opening times:

  • Standard Hours: Weekdays and Saturdays from 9:00–21:30, Sundays and public holidays from 9:00–19:30.
  • Summer High-Season (July & August): Operating hours are extended across the board, remaining open until 21:30 daily (including Sundays and holidays).

Check out the best night pools and pool parties in Tokyo this summer!

Tokyo’s pools offer a unique way to experience the city. Amidst the urban hustle, they provide a refreshing escape, a place to unwind or have fun. It’s a different side of Tokyo, one that’s worth diving into.

For more information about summer ideas in Japan, check these articles below, too!

Written by

Photographer, journalist, and avid urban cyclist, making sense of Japan since 2017. I was born in Caracas and lived for 14 years in Barcelona before moving to Tokyo. Currently working towards my goal of visiting every prefecture in Japan, I hope to share with readers the everlasting joy of discovery and the neverending urge to keep exploring.