Denny's 2940 Westminster Ave 6:00 AM - 10:00 PM 6:00 AM - 10:00 PM 6:00 AM - 10:00 PM 6:00 AM - 10:00 PM 6:00 AM - 10:00 PM 6:00 AM - 10:00 PM 6:00 AM - 10:00 PM2940 Westminster Ave Seal Beach, CA 90740 US