111 West 57th Street, also known as Steinway Tower, is a supertall residential skyscraper in the Midtown Manhattan neighborhood of New York City.

111 West 57th tower was designed by SHoP Architects and is recognized as both the skinniest skyscraper in the world and the second-tallest residential building in the Western Hemisphere. The 91-story building looks to redefine the Manhattan skyline with its bold yet slender feather-like silhouette featuring an impressive 24:1 height-to-width ratio and has a height of 1,428 feet.