Program Information The City of Costa Mesa??? just one mile from the Pacific Coast in the heart of Orange County???is one of California???s most eclectic and vibrant cities. The city is home to South Coast Plaza, one of the nation???s largest shopping centers, and the world-class Segerstrom Center for the Arts and South Coast Repertory theater. Costa Mesa is also the capitol of the action sports industry and the headquarters for companies such as Hurley International, Volcom, RVCA, Rip Curl, and Vans.