Ariake Garden

A large-scale mixed-use complex developed by Sumitomo Realty in Ariake, Koto City, which opened in April 2020. The commercial wing spans approx. 87,600 m² with 203 stores, anchored by a hotel, natural hot-spring spa, and an adjacent high-rise residential tower.

Use

Office tower

Area

Koto City

Completed

2020

Floors

5 above ground, 1 below

Total floor area

approx. 87,655 m²

Developer

Sumitomo Realty & Development

A New Anchor on the Tokyo Bay Shore

Ariake Garden opened in April 2020 in Ariake, Koto City — a large-scale complex developed by Sumitomo Realty & Development on a roughly 10.7-hectare site along Tokyo’s bay-front. The commercial building covers approximately 87,600 m² of floor space over six levels (one basement plus five above ground) and accommodates 203 stores. Its open atrium design creates an airy, resort-like atmosphere at the edge of the city. The development sits adjacent to the Olympic venues prepared for the 2020 Tokyo Games, part of a wider transformation that turned Ariake from a largely vacant waterfront parcel into a living neighbourhood in the space of a few years.

Beyond retail, the complex includes a large natural hot-spring bathhouse (onsen) fed by water drawn from underground — rare for a large-format shopping facility in central Tokyo — as well as a live music hall, a cinema, and a hotel. That combination of wellness, entertainment, and shopping in a single complex has made Ariake Garden a destination in its own right, reachable via the Yurikamome automated guideway at Ariake or Ariake Tennis-no-Mori stations.

Living, Shopping, and the Waterfront in One Block

A high-rise condominium tower rises within the same plot, cementing the mixed-use character of the development. This layering of residences, commercial functions, and leisure amenities — all within walking distance of multiple transit stops — reflects the planning logic that has guided Ariake’s growth since the mid-2000s. Post-Olympics, the waterfront ward has continued to attract major developments, and Ariake Garden anchors the retail and cultural core of this evolving district.

Summary

Ariake Garden opened in April 2020 with a commercial wing of approximately 87,600 m², 203 stores, a natural hot-spring spa, a hotel, and an adjacent residential tower, all developed by Sumitomo Realty. For anyone curious about how Tokyo’s bay-front is reinventing itself as a place to live rather than simply a place to drive through, a trip to Ariake on the Yurikamome line is the clearest way to see that change firsthand.