Official Website of The City of Benicia, California but we also use fields are the Benicia Community we have many more opportunities for you to be active in. California Active Adult Communities & 55+ Retirement Community Guide. View All CA Plus Age-Restricted Active Adult Retirement Communities in California. Activity Search > Home Page > View As: List Map. Filter Search By: Location. Benicia Community Park; Benicia High School; xtrmtracker.com Tel.