The Chaminade High School Activity & Athletic Center (AAC) is a state-of-the-art facility designed to support the school's commitment to holistic student development. Spanning 36,000 square feet, the AAC serves as a dynamic space for both academic and extracurricular activities, reflecting Chaminade's dedication to fostering excellence in education and athletics.

Key Features:

• Main Arena: A versatile two-story gymnasium that accommodates 1,400 spectators, providing a venue for basketball and volleyball games, as well as school-wide events such as Masses and assemblies with enough capacity to house the entire student body.

• Indoor Track: A tenth-of-a-mile track suspended above the main arena, offering students a dedicated space for physical fitness and training.

• Wrestling Room: A specialized area designed to meet the needs of the school's wrestling program, featuring specialized flooring and spectator seating.

• Hearst Auditorium: A 270-seat quarter-round lecture hall that serves as a venue for academic presentations, club meetings, and other educational and community events.

• Exhibition Hall: A flexible space for alumni gatherings, dinners, and community events, fostering a sense of connection among the Chaminade family.

• School Spirit Sales and Concessions: Retail areas offering Chaminade merchandise and refreshments, enhancing the overall experience for visitors and participants.

Completed in 2007, this facility not only supports the school's athletic programs but also serves as a central gathering place for students, faculty, and alumni, embodying Chaminade's mission to provide a comprehensive and enriching educational experience.