COVID Vaccines in San Marcos, California

Come get your Pfizer or Moderna COVID-19 vaccine at one of the 1 Ralphs Pharmacy locations around your San Marcos, CA home. Our pharmacies and clinics are happy to provide your neighborhood with the most up-to-date 2025 COVID vaccines. Stop by a pharmacy near you to get your booster shot today, or schedule an appointment online. Our pharmacies are open 7 days a week, with even hours for your convenience. Explore our full range of vaccines to discover other immunization options for you and your family.