Marunouchi, where working people come and go,
This summer, this town will be a place where you can discover joy.
Familiar scenery is adorned with vibrant decorations.
The area is bustling with activity thanks to a variety of Events and Shops.
Enjoy it however you like with family, friends, or your significant other.
The whole town is everyone's stage.
That will become a new attraction for Marunouchi in the summer.
Now, you too.
Enjoy a special summer-only Marunouchi experience with your loved one.
We held the "MARUNOUCHI SUMMER WORKSHOP" in collaboration with more than 50 stores and companies in the Otemachi, Marunouchi, and Yurakucho Area.
🔷 MARUNOUCHI WORKERS members have a higher chance of winning!
Application Period: June 2nd Tue- June 24th Wed *Tentative
*The images for each Shops are for illustrative purposes only.
*The content of each Shops may be subject to change.
No Shops matching your criteria were found.
"MARUNOUCHI WORKERS," Service exclusively for employees working in Mitsubishi Estate buildings in the Otemachi, Marunouchi, and Yurakucho Area offers many exclusive benefits! Click here for details.
*Images of each bonus item are for illustrative purposes only.
A special guided tour by the curator will be held at the "Artists Gathering in 'Cafes' - From Impressionists to Van Gogh, Toulouse-Lautrec, and Picasso" exhibition. Events, which will guide you through the exhibition while answering your questions, is perfect for the whole family.
View details →
This practical learning program for high school and university students involves lectures by diverse instructors active in various fields, fieldwork, and interactive Shops to encourage students to think about social issues and career paths, and to develop and present ideas as a team.
View details →*Images for each Events are for illustrative purposes only.
Japanese umbrellas will be displayed at Wadakura Fountain Park, creating an attractive landscape, especially when illuminated at night, and promoting Japanese culture.
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Targeting children who will lead the next generation, a variety of hands-on Shops focusing on ecology and economy will be held in Marunouchi Area, which promotes sustainable urban development. Period the summer holidays, the workshops will provide parents and children with an opportunity to learn while having fun and to think about the environment and society.
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This exchange Events invites faculty members from various fields of expertise from the University of Tokyo to give lectures, participate in cross-talks, and engage in discussions, allowing attendees to experience cutting-edge knowledge from the University of Tokyo and share new insights.
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Plogging, a combination of jogging and litter picking, is an SDGs Sports that is gaining popularity, mainly in Europe. Events, in collaboration with Plogging Japan, addresses the litter problem in Marunouchi Area and promotes well-being for workers in the Marunouchi, Daimaru-Yu area.
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The entire Marunouchi Area is hosting a special Events to commemorate the theatrical release of "TOKYO MER: CAPITAL CRISIS" on August 21st Fri. Events includes a limited-Period exhibition of the motorcycle-type ER car (T03) and a purchase campaign, allowing participants to enjoy the city through experiences where they "complete missions."
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Following its success last year, the LEGO® Festival in Marunouchi is back this year with the theme "Play unites the town!" The festival will offer experiences for all ages, from adults to children, and will feature a variety of events including a LEGO® botanical exhibition and a stamp rally using popular IPs.
View details →LEGO and the LEGO logo are trademarks of the LEGO Group. © 2021 The LEGO Group.
We're offering a variety of content to enjoy Marunouchi Area. We'll be selling night tours around the Marunouchi Marunouchi Area, including the Imperial Palace, and special passes that allow you to hop between restaurants and bars in the area at a discount! On Mondays in July, we'll be collaborating with (marunouchi) HOUSE to set up a special DJ booth and photo booth. We'll be holding Events where you can fully enjoy the nighttime! *This project is being implemented with the support of the Tokyo Metropolitan Government and the Tokyo Tourism Foundation's "Tourism Promotion Grant for Nighttime (Evenings and Early Mornings)".
View details →*For information regarding Events such as Eco Kids Exploration Team, LEGO® Festival in Marunouchi 2026, and Marunouchi Summer College 2026, please contact the respective Events organizers.
Indoor Events and Shops will proceed as scheduled, rain or shine. Outdoor Events may be subject to change or cancellation depending on the weather on the day. For the latest information, please check this page, Official Website of each Events, or Marunouchi.com's X and Instagram.
Some Shops and hands-on programs require advance registration. Please register through the details page for each program.
We offer member benefits for "MARUNOUCHI WORKERS," a worker Service program for those working in Mitsubishi Estate buildings in the Otemachi, Marunouchi, and Yurakucho Area. Please see the EVENT section for details.
Located just a short walk from the Marunouchi Central Exit of JR Tokyo Station. Also Access from Otemachi Sta. Marunouchi Line, Chiyoda Line, and Tozai Line subway lines, and Yurakucho Station on the Yurakucho subway line.
You are welcome to take photos of your child during the Shops you are participating in. However, please follow the instructions of the Shops staff if other participants, staff, or store facilities are included in the photos.
申込完了メール・当選／落選などの抽選結果メールは、summer_workshop@omy-summer-event2026.jp より送信されます。受信フォルダに加え、迷惑メールフォルダや当ドメイン（@omy-summer-event2026.jp）の受信設定をご確認ください。メールアドレスの登録誤りや受信制限が原因の場合がございます。それでも届かない場合は、お問い合わせ窓口（summer_workshop@omy-summer-event2026.jp）までご連絡ください。
Please inform the on-site staff on the day of the event if you do not wish to be photographed. Please note that any footage taken for promotional purposes will be released only after taking care to ensure that participants are not identifiable.
Microsoft Formsよりご送信いただきました応募内容の変更をご希望の場合は、お手数ではございますが事務局までご連絡くださいますようお願い申し上げます。
ご連絡先：summer_workshop@omy-summer-event2026.jp
You can edit your registration information from your Peatix My Page. To change the number of participants, you will need to cancel your current registration and re-register. Please check the Peatix instructions for details.
Please note that if payment is not received by the payment deadline, your winning entry will be automatically canceled. If you wish to participate again, please submit a new application.
Service is not provided for this Events. Please use a nearby paid Parking Lots.
Registration for each Shops is handled through Peatix. Please cancel your registration through your Peatix My Page. Cancellation policies and deadlines may vary depending on the Shops, so please check the details on each Events page.
We do not plan to award Marunouchi Point for participation fees. Please note that if you make separate purchases at the Shops Venue 's store, the store's usual point accrual criteria will apply.
Please note that, as a general rule, we cannot refund participation fees if you cancel after payment has been completed due to your own circumstances.
Receipts can be issued from your Peatix My Page. For detailed instructions, please refer to the "How to Issue a Receipt" section on the Peatix Help page.
MARUNOUCHI SUMMER FEST Participant Office
inquiry
「MARUNOUCHI SUMMER FEST」広報事務局
（KMCgroup株式会社内）
TEL：03-6261-7413
FAX：03-6701-7543
お問い合わせ
丸の内コールセンター
TEL：03-5218-5100
（11:00〜21:00）
※但し、日曜・祝日は20:00まで（連休の場合は最終日のみ20:00まで）
