SS Sea Marlin was a a Type C3-class ship-based transport operated for the War Shipping Administration by Grace Lines during World War II.She was launched as C3-S-A2 hull number 401 at Ingalls Shipbuilding in Pascagoula Mississippi on Victory Fleet Day; September 27, 1943. Her sponsor was Mrs. D.G. Peattie, wife of Ingalls' Machinery Superintendent.