- San Onofre MCX- Camp Pendleton
San Onofre MCX- Camp Pendleton
San Onofre MCX The San Onofre Marine Corps Exchange (MCX) offers electronics, housewares, small kitchen appliances, family apparel, military procured gear, snacks, milk, bread, frozen entrees, beverages, and more! Families of authorized shoppers are welcome to experience all that the MCX offers with discounted prices and tax-free shopping. Authorized patrons must be present.