[3] The communities serving Pacifica are western Garden Grove and sections of Stanton and Cypress.

The gym allows for seating for up to 1,584 people and includes a lobby, locker rooms, coach's offices, equipment storage, and more.

[citation needed] Pacifica's sports teams, the Mariners, compete in the Empire League of the California Interscholastic Federation's Southern Section.

Sports offerings are:[5] In 2003 and from 2005 through 2009, the Pacifica marching band's drumline took the Southern California Percussion Alliance gold medal, and from 2006 through 2009, it garnered the Winter Guard International World Championship gold medal in the Percussion Scholastic Open division, along with numerous first-place finishes throughout Southern California.

The Pacifica drumline is the second ensemble to have captured four consecutive WGI World Championship golds.