In John Sayles’s film Sunshine State (2002), one of the key story lines explores the conflict between the longstanding but threatened African American community of Lincoln Beach and a development company intent on building a new resort community called Exley Plantation. The film is patterned loosely on Amelia Island in northern Florida, where American Beach, a historically black beach town, has clung to its property despite some three decades of encroaching resort development, notably by Amelia Island Plantation. The story could have been set on any number of the so-called Sea Islands that stretch some 200 miles northward from Amelia into Georgia and South Carolina. On some islands, small communities of Gullah-speaking residents are descendants of enslaved people who worked rice, cotton, and indigo…