Early reservations are recommended for Hornblower's special holiday dining cruises: Christmas Eve dinner and Christmas Day brunch and dinner. Take the stress out of hosting and cooking for your holiday guests and relax with your family and friends on a scenic harbor cruise. (310) 301-6000. Brunch: Boarding at 11:30 a.m., cruising noon-2 p.m. Dinner: Boarding at 4 p.m., cruising 4:30-7 p.m.