Experience Costa Mesa’s annual South Coast Plaza Holiday Tree Lighting hosted by the Segerstrom family. Enjoy live performances, Santa’s visit, and the lighting of a 96-foot tree with 94,000 lights. ✨Stay nearby at The Westin South Coast Plaza or Avenue of the Arts or explore coastal options with our Best Hotels in Newport Beach guide. ✨ Kick off the holidays SoCal-style — explore all the best Orange County tree lighting events 2025 →