Information on the 2018 Conchologists of America (COA) Convention, hosted by San Diego Shell Club's Board of Directors, that was held in San Diego, California is presented. The event included a field trip to Balboa Park, Scripps Aquarium, presentations, and silent auctions. Many dealers at the event have offered various shells, including Austrotrophon catalinensis, Phyllonotus eversoni, and Marcromargarya aliena, for sale.