Charleston Seafood Festival, Aug. 10 Join us for the 28th annual Charleston Seafood Beer & Wine Festival located at the Charleston Marina on Oregon’s Adventure Coast! Come on out for food, fun, music and crafts. August 10, 11 and 12, 2018. The Charleston Volunteer Firefighter’s invite you to celebrate the harvest from the sea. With over 50 vendors selling food, Craft Beer, Regional Wines, crafts, shirts, trinkets and lots more.