Marunouchi, a bustling area where people come and go, will become a place where people can find enjoyment this summer.
Enjoy the whole town this summer! MARUNOUCHI SUMMER FEST!
The scenery along Marunouchi-Nakadori Ave. changes with every step, making you want to take pictures, and there are a variety of Events Shops both indoors and outdoors. Check out the new attractions of the Marunouchi area in summer, where you can enjoy summer traditions like Bon Odori and summer gourmet food in your own way with family, friends, and loved ones!
01. MARUNOUCHI SUMMER FEST!
FLOWER CORRIDOR
A "flower corridor" will appear Marunouchi-Nakadori Ave., adding a refreshing touch of beauty. Based on the concept of "inviting loved ones such as family and friends to Marunouchi-Nakadori Ave., embodying a spirit of hospitality and welcoming visitors.
During the day, it presents a refreshing sight against the backdrop of summer greenery, while at night, the lighting creates a fantastical atmosphere. The view changes with every step, and you'll find yourself wanting to take pictures one after another!
- Venue
- Marunouchi-Nakadori Ave. (near Marunouchi Bldg. Building to Yusen Bldg.)
- Period
- July 24th Fri– August 23rd Sun, 2026
Experience a variety of things! Participatory Shops will be held.
We're hosting participatory Shops in collaboration with over 50 stores and businesses in the Marunouchi area! Introducing "Marunouchi Shops," a special summer-only experience that everyone from children to adults can enjoy!
STARBUCKS COFFEE Mitsubishi Bldg. is now accepting Shops for new workshops!
*Registration for Others Shops is now closed. Thank you very much for your numerous applications.
- Pre-registration Period
- Deadline: Thursday, July 30th Thu)
- Event Period
- July 24th Fri– August 23rd Sun, 2026
- Application information is available here.
- https://www.marunouchi.com/lp/marunouchisummerfest2026/
02. Marunouchi Street Park 2026 Summer
We're creating a "place to relax" on Marunouchi Nakadori where everyone can unwind all Marunouchi-Nakadori Ave. long. Focusing on countermeasures against the intense heat and revitalizing the area at night, it will transform from a cool and comfortable place to relax and experiment during the day into a neon-lit playground that can be enjoyed even after work.
- Venue
- Marunouchi-Nakadori Ave. (from the block in front of Marunouchi Bldg. to the block in front of Marunouchi Park Bldg.)
- Period
- July 24th Fri– August 23rd Sun, 2026
03. Summer Features Events
The Marunouchi Bon Odori Festival 2026, a summer tradition in Marunouchi, Gyoko-dori Ave.
Enjoy the summer in Marunouchi with Events that begin with summer traditions like Bon Odori dances, food stalls, and sprinkling water!
- Venue
- Gyoko-dori Ave.
- Period
- Fri July 24, 2026 16:00-22:30
Otemachi Festival 2026
This year marks the 10th anniversary of the Otemachi Summer Events, a quintessential summer event. The office district of Otemachi Nakadori will be transformed into a summer festival Venue!
Why not stop by after work and enjoy some festival-style food and drinks?
- Venue
- Otemachi Nakadori, OTEMACHI FINANCIAL CITY 1F Atrium, Otemachi Kawabata Greenway, Tokyo Financial Village
- Period
- Thu, July 30, 2026 -Fri July 31, 2026
17:00-21:00 *Partially canceled in case of rain
TOKYO After Dark in Marunouchi
We offer a variety of content to enjoy the nightlife in Marunouchi. Night tours, a pass that allows you to enjoy restaurants and bars at a discount, and a special DJ Events at (marunouchi)HOUSE on Mondays in July!
*This project is implemented with the support of the "Nighttime Tourism Promotion Subsidy" from the Tokyo Metropolitan Government and the Tokyo Tourism Foundation.
- Venue
- Various locations Marunouchi Area
- Period
- Wed, July 1, 2026 -Fri August 14, 2026
LEGO® Festival in Marunouchi 2026 ~Play unites the town!~
Following its success last year, the LEGO® Festival in Marunouchi is back this year with the theme "Play unites the town!" The festival will feature a variety of activities for all ages, from children to adults, including a LEGO® pop-up store, 3D model displays, a LEGO® One Piece stamp rally, and participatory Shops to build LEGO® Botanical Series sets.
- Venue
- Marucube and other locations in the area
- Period
- July 31st Fri- August 23rd Sun, 2026
Theatrical film "TOKYO MER" CAPITAL CRISIS ~Marunouchi Mission~
The entire Marunouchi Area, which was also a filming location for the movie "TOKYO MER: CAPITAL CRISIS," will be hosting a special Events to commemorate the film's release on August 21st Fri.
Events includes features designed to help participants enjoy the city, such as a limited-Period exhibition of the motorcycle-type ER car (T03) and purchase promotions.
- Venue
- Marunouchi Oazo 1F ○○ Plaza (Oo Plaza)
- Period
- Fri, July 31, 2026 -Sun September 20, 2026
04. There's still so much fun to be had! Check out the information on the Daimaru-Yu area!
Delicious summer treats in Marunouchi
●Roger Goulart POP-UP STAND
- place
- Marunouchi Happ. Stand & Gallery (Marunouchi 2-chome Bldg. 1st Floor)
- Period
- July 10th Fri– July 12th Sun, 2026
● 'Marunouchi Special Selection Presents' Recommended summer Presents
For summer gifts, choose carefully selected presents.
- Period
- July 13, 2026 Mon- September 30, 2026 Wed
Let's all have fun and get excited about Sports in Marunouchi!
●This summer! Let's cheer on the Japanese national rugby team together at Marucube! Featuring special guest appearances!
*This Events has ended. Thank you for participating.
[Mitsubishi Estate Presents Rugby Japan National Team Public Viewing at Marunouchi Marunouchi Bldg.]
Nations Championship 2026: Japan vs. Ireland
- schedule
- Sat July 11, 2026
*Tickets will also be available on the day of the event (numbered tickets will be issued).
Mitsubishi Estate supports the Japanese national rugby team.
●ACT5 Plogging around Marunouchi/Nakadori 2026
"PlockaUpp (Pick Up) + Jogging = Plogging" is an SDGs Sports that combines jogging and litter picking, and is currently trending mainly in Europe. Even if you're a beginner, a plogging guide will be there to support you, so please feel free to join us.
- event date
- Wed July 29, 2026, 17:00-19:00 (Registration starts at 16:45)
- application
- Until July 21st Tue 23:59 (*)
- place
- Marunouchi/Nakadori area
*If there are many applicants, a lottery will be held.
*Participation is limited to a maximum of 10 people per group (organization).
Mitsubishi Ichigokan Museum, Tokyo in Summer
Costume Events "For both seasoned cosplayers and beginners. Let's meet in Marunouchi - dressed in 19th-century Parisian attire."
The theme is "19th Century Paris." Enjoy immersing yourself in the world of the exhibition while dressed in your own Fashion. On the day of the event, we also plan to hold a "talk-free" session where you can enjoy conversations without worrying about the volume of your voice.
- Period
- Sat July 25, 2026 15:00-20:00 (*Last entry 19:30)
- Entry fee
- Free admission (however, a ticket to the "Artists Gathering in Cafes" exhibition is required.)
- detail
- https://mimt.jp/event/19753/
*Separate changing rooms for men and women are available. Please check the URL for details.
Learn in Marunouchi this summer!
●Marunouchi Summer College (Reservation required)
- event date
- orientation
Thu, August 6, 2026 16:00-17:30
Main program (reservations required)
Wed, August 12, 2026 -Fri August 14, 2026
10:00 AM to 5:30 PM each day (except Fri the 14th, when it will be 10:00 AM to 6:00 PM) - place
- 3x3Lab Future
●University of Tokyo Week @ Marunouchi (Reservation required)
- Period
- July 28, 2026 Tue- July 29, 2026 Wed
- place
- 3x3Lab Future, DMO Tokyo Marunouchi, Inspired.Lab
- Organize
- MEC-U Tokyo Lab
● Eco Kids Exploration Team 2026 (Reservations required)
- Period
- July 27, 2026 Mon- August 19, 2026 Wed
- place
- Otemachi, Marunouchi, Yurakucho Area
- Organize
- Otemachi, Marunouchi, and Yurakucho Eco Kids Exploration Team Executive Committee
- detail
- https://ecokids.tokyo/
