Denny's 731 W San Marcos Blvd 6:00 AM - 11:00 PM 6:00 AM - 11:00 PM 6:00 AM - 11:00 PM 6:00 AM - 11:00 PM 6:00 AM - 1:00 AM 6:00 AM - 1:00 AM 6:00 AM - 11:00 PM731 W San Marcos Blvd San Marcos, CA 92069 US