1. Shinjuku Sumitomo Building Sankaku Hiroba
    Photo: Shinjuku Sumitomo Building Sankaku Hiroba
  2. Shinjuku Sumitomo Building
    Photo: Shinjuku Sumitomo Building

Shinjuku Sumitomo Building Sankaku Hiroba

  • Things to do
  • Shinjuku
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Time Out says

Located on the first floor of the Shinjuku Sumitomo Building, the Sankaku Hiroba event space can fit up to 2,000 people. It's covered by a glass roof, so that events can still go on even when it rains.

Details

Address
2-6-1 Nishi-Shinjuku, Shinjuku-ku
Tokyo
Transport:
Tochomae Station (Oedo line), Nishi-Shinjuku Station (Marunouchi line), Shinjuku Station

What’s on

Ice Cream Expo

There’s nothing better than ice cream – even in the wintertime, and this eight-day festival is all about our favourite sweet treat. The Ice Cream Expo is serving up a large variety of the frozen dessert from all over Japan, curated by the Japan Ice Cream Mania Association and its representative Iceman Fukutome. While details for the 2026 winter line-up are yet to be announced, expect ice creams from over 10 brands. You’ll also discover Japan’s latest ice cream trends and have the chance to sample new and unique flavours made exclusively for this occasion. Entry starts from ¥500 on weekdays if tickets are purchased online in advance, and ¥800 on weekends (on-site ¥900). With a ticket, you can enter as many times as you want and receive exclusive event merch. The event takes place daily from 11am to 7.30pm, until 6pm on November 17.
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