The JW Marriott Complex located in Downtown Indianapolis is a landmark and the world’s largest JW Marriott Complex. Designed by CSO Architects and HOK, the 1,626-key complex includes two full-service restaurants, 104,000 s.f. of meeting space, a swimming pool, a spa, and an exercise room. The meeting space consists of 23,000 s.f. of exhibition space, a 20,670 s.f. junior ballroom and a 40,500 s.f. grand ballroom, which is one of the largest Marriott ballrooms in the world. The complex also has a 1,000 car, three-level, underground parking structure.