The Cal State Monterey Bay Otters (or CSUMB Otters) are the athletic teams that represent California State University, Monterey Bay, located in Monterey County, California, in intercollegiate sports as a member of the Division II level of the National Collegiate Athletic Association (NCAA), primarily competing in the California Collegiate Athletic Association (CCAA) for most of its sports since the 2004–05 academic year;[2] while its women's water polo teams compete in the Western Water Polo Association (WWPA).

The Otters previously competed in the California Pacific Conference (CalPac) of the National Association of Intercollegiate Athletics (NAIA) from 1996–97 to 2003–04.

The stadium was built in partnership with Monterey Bay FC, a professional 2nd division soccer club playing in the USL Championship.

[5] In 2003, the Otters made the transition to the NCAA Division II ranks, joining the CCAA as a provisional member in 2004.

The CSU Monterey Bay Otters competed in the NCAA Tournament across 6 sports (3 men's and 3 women's) 23 times at the Division II level.