One Worldwide Plaza is part of a three-building, mixed-use commercial and residential complex completed in 1989, in the New York City borough of Manhattan, known collectively as Worldwide Plaza. One Worldwide Plaza is a commercial office tower on Eighth Avenue. Two Worldwide Plaza is a residential condominium tower west of the center of the block, and Three Worldwide Plaza is a low-rise condominium residential building with street level stores on Ninth Avenue, to the west of the towers. Skidmore, Owings & Merrill was the designer for the office complex and the residential complex was designed by Frank Williams. The complex occupies an entire city block, bounded by Eighth Avenue, Ninth Avenue, 49th Street, and 50th Street. Located on the west side of Eighth Avenue, One Worldwide Plaza is built on the site of New York City's third Madison Square Garden. The 50th Street subway station is underneath.