Seafood Feast-I-Val is an all-you-can-eat feast featuring live entertainment, craft sales, door prizes, and displays. Feast on Chesapeake Bay cuisine including steamed Maryland blue crabs, crab soup, fried clams and fish, BBQ chicken, fries, hot dogs, corn, tomaotes, and watermelon. Benefits the Cambridge Rescue Fire Company. At Sailwinds Park, Cambridge. Saturday, Aug 11. 1-6 p.m. Seafoodfeastival.com. 410-228-1211.