High Quality Content by WIKIPEDIA articles! The Barclays Center is a sports arena currently under construction in Brooklyn, New York City. The arena is being built partly on a platform over the Metropolitan Transportation Authority-owned Atlantic Yards at Atlantic Avenue. It is part of a proposed $4.9 billion sports arena, business and residential complex. The arena is intended to serve as a new home for the National Basketball Association's New Jersey Nets, currently based at Izod Center in East Rutherford, New Jersey.