JW Marriott Shanghai

The JW Marriott Hotel Shanghai is a flagship hotel of the Marriott Group in Shanghai, China, that opened in 2003. It is housed at Tomorrow Square, the tallest building in downtown Puxi.

Tomorrow Square was designed by Richards Mixon of John Portman & Associates. It houses the JW Marriott Hotel Shanghai and the Tomorrow Square, Shanghai - Marriott Executive Apartments.

In 2016, Guinness World Records awarded the hotel a record for "highest library from ground level" for its executive library on the building's 60th floor.