Come celebrate Beltane at the Shadow Bay Celtic Festival, hosted by Caleb’s Dragonfly Dreams, a nonprofit that specializes in organizing events and activities for abandoned, abused and neglected children who live in shelters and group homes across Horry County. This year’s event will focus more on Celtic traditions, with Celtic rock bands on the main stage, workshops with vendors, a bonfire and more. RH Acres, 3833 Socastee Blvd. Saturday, 1 p.m. (843) 360-9052, www.mythicalmedievalfest.com