Riverside–San Bernardino–Ontario

In minor league baseball, the Inland Empire 66ers play at San Manuel Stadium, offering California League games. The Agua Caliente Clippers represent the region in the NBA G League and host their games at the Toyota Arena in Ontario, drawing basketball fans from across the area.

College sports are notably represented by the University of California, Riverside Highlanders, with competitive teams in several sports, including basketball and athletics, participating in the Big West Conference. Coussoulis Arena at California State University, San Bernardino, serves as a key venue for collegiate sports events, particularly basketball and volleyball.

For motorsports enthusiasts, the Auto Club Speedway in Fontana is a major venue, hosting racing events in Southern California.

One of the prominent music events is the Coachella Valley Music and Arts Festival, though technically outside the region, its proximity draws significant attention and participation. Another major event is the Beyond Wonderland festival, held at the San Manuel Amphitheater, offering electronic dance music fans immersive experiences. Key venues include the Fox Performing Arts Center in Riverside, renowned for hosting diverse performances, and the Toyota Arena in Ontario, which accommodates large-scale concerts.

The region has produced notable music artists, such as singer and actress Vanessa Hudgens from Salinas, and the experimental hip-hop group Death Grips, which formed in Sacramento but has ties to the broader area.