Marunouchi Summer Fest is a month-long summer event around Tokyo Station, with street decorations, food and drink pop-ups, workshops, light displays, and small seasonal events across Marunouchi, Otemachi, and Yurakucho.
What happens?
The main visual feature is the Flower Corridor on Marunouchi Nakadori Avenue, where the street is decorated with 14 flower arches using roses, lilies, and other flowers. Some nighttime lighting uses electricity generated from from plants and microorganisms in the soil.
There are also multiple events across the district, including Marunouchi Street Park, a Bon Odori dance event on Gyoko-dori Avenue, Japanese umbrella illuminations at Wadakura Fountain Park, LEGO displays and stamp rallies, museum events, beer terrace events, food trucks, and summer workshops hosted by local shops and companies.
Schedule 2026
The Bon Odori dance takes place on July 24 from 6 to 9 p.m.

- 81 m from Tokyo Station Marunouchi Line (M17)Yamanote Line (JY1)Chūō Line (Rapid) (JC1)Tokaido Line (JT1)Yokosuka Line (JO1)Keiyō Line (JE1)Keihin-Tōhoku Line (JK26)Jōban Line (JJ3)
- 476 m from Nijūbashimae Station Chiyoda Line (C10)
- 482 m from Ōtemachi Station Chiyoda Line (C11)Hanzomon Line (Z8)Marunouchi Line (M18)Tozai Line (T9)Mita Line (I9)