With a total of 3,854 fixed and retractable seats the main arena is the focal point of the Sydney Olympic Park Sports Centre. An additional 1,152 portable seats can be accommodated on the floor level.
Hillsong's album For This Cause was recorded at the centre on 5 March 2000. C3 Church's album Send Down Your Love was also recorded at the centre during the Church's 'Love Sydney' event held on 10 September 2009.
Due to a schedule conflict at the SEC, the Sydney Kings returned to the State Sports Centre for a game against defending NBL champions the New Zealand Breakers in Round 10 of the 2012-13 NBL season. The Kings defeated the Breakers 75-62 in front of 4,178 fans.