The fourth annual festival features restaurants offering oyster dishes, music, an oyster-eating contest, an oyster-shucking competition and a largest oyster contest. Proceeds help to support the Louisiana oyster community, fishermen and their families, as well as security for NOPD's 8th District. Call (504) 835-6410 or visit www.neworleansoysterfestival.org for details. Free admission. 10 a.m. to 7 p.m.