Kai Water Culture House Nears Completion in Copenhagen
Kengo Kuma & Associates' 5,800-square-metre aquatic centre on Christiansholm is set to open to the public on December 5, 2026.
Updated on Nov. 2, 2026 in Swimming

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Kengo Kuma & Associates is nearing completion of the Kai Water Culture House, a 5,800-square-metre aquatic centre on Christiansholm, an artificial island in Copenhagen known as Papirøen. The facility, which contains ten indoor and outdoor pools along with wellness facilities and cultural spaces, is scheduled to open to the public on December 5, 2026.
Why it matters
The project adds a large public aquatic and cultural venue to Copenhagen's harbour area, giving residents and visitors a new place to swim, relax and attend cultural programming. Its design, built from handmade bricks, reflects an architectural approach that integrates water and daylight into the building itself.
The 5,800-square-metre facility features ten indoor and outdoor pools and is built from 300,000 handmade bricks arranged across five staggered buildings with 403 windows of varying sizes. The source does not report construction cost, visitor capacity, or operating budget.
The players
Kengo Kuma & Associates
Kengo Kuma & Associates is the Japanese architecture firm led by Kengo Kuma, known for projects that emphasize natural materials and layered, human-scaled design.
Cornelius Vöge, Søren Jensen and Vilhelm Lauritzen Architects
These Danish architecture practices were commissioned alongside Kengo Kuma & Associates on the Kai Water Culture House project.
The details
The tallest of the five volumes, the Culture Tower, houses the centre's cultural programmes and includes a third-floor events space. Tapered brick volumes are punctuated by triangular and square openings that filter light into the indoor pools, and the architects were commissioned alongside Cornelius Vöge, Søren Jensen and Vilhelm Lauritzen Architects.
Timeline
December 5, 2026: Kai Water Culture House opens to the public.
Early 2027: The wooden pier is slated for completion.
Market Landscape
The Kai Water Culture House extends the redevelopment of Papirøen, the former paper-warehouse island, from residential and warehouse conversion into a public aquatic and cultural venue. It positions Copenhagen's waterfront among the city's recent public-leisure projects built on former industrial land.
Swimmers and visitors planning to use the facility can mark December 5, 2026 as the public opening date. The source does not specify ticket pricing, admission rules, or booking procedures.
The takeaway
Projects like the Kai Water Culture House show how public swimming facilities can be built into waterfront redevelopment rather than treated as standalone buildings. Readers interested in aquatic architecture can follow how the facility performs once it opens in December 2026.
What happens next
The Kai Water Culture House opens to the public on December 5, 2026, and the wooden pier is slated for completion in early 2027.
Further reading
Explore more coverage of Swimming facilities and events.
Source note: This article includes information reported by Dezeen.
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