Pioneer Gym is a 2,500 seat multi-purpose arena in Hayward, California built in 1967. It is the home of the California State University, East Bay Pioneers men's and women's basketball teams and women's volleyball team. See also Pioneer Amphitheatre Pioneer Stadium References External links Pioneers basketball website College basketball venues in the United States Basketball venues in California Volleyball venues in California California State University, East Bay Buildings and structures in Hayward, California