Westside Campus der Western Connecticut State University

The William O'Neill Athletic and Convocation Center (O'Neill Center) is an 80,000-square-foot (7,400 m2) multi-purpose athletic complex, at Western Connecticut State University, in Danbury, Connecticut.Named after William O'Neill, the O'Neill Center was completed in 1995 and has since been home to WestConn's basketball and volleyball teams.