CoastCon is Mississippi's longest running and largest science fiction, fantasy and gaming convention. It is the main sponsored event of CoastCon, Inc., a non-profit literary organization. CoastCon, Inc. and its ten-member volunteer board develop events and gatherings to promote reading, education, fellowship, and science fiction, fantasy and gaming in all formats across the Southern United States, for over forty years. The next CoastCon annual convention, CoastCon 45, will be held March 3-5, 2023, at the Mississippi Coast Coliseum and Convention Center in Biloxi, Mississippi.