They compete in the Big 4 League of the Golden West Conference California Interscholastic Federation's (CIF) Southern Section.

Marina has no on-campus stadium and plays most of its football home games at nearby Westminster High School.

[citation needed] In 2007, Marina Boys Basketball broke the National record for 3-point shots made in a season, making 437 three-pointers.

In 2021, Marina’s track and field star Elliot Elliott won the CIF California State Meet.

In May 2016 the ship sailed on its maiden voyage at Sunset Aquatic Marina; short ocean-going trips to Long Beach and Catalina Island are planned for the future.