This study aims to introduce a variety of oral literatures of the fisheries community in the island of Batuatas that contain elements of myth and those that do not, (2) to reveal various elements of the myth in the oral literature, and (3) to express the relationship between myth and reality in the oral literature as a determinant of cultural power. All of the data are derived from a research report which untitled “Sastra Lisan Ciacia di Pulau Batuatas” conducted in 1994. The analysis of myth and reality is conducted by the approach of genetic structuralism that is proposed by Lucien Goldman. Result of the analysis showed that (1) the oral tradition of fisheries community in Batuatas island is containing elements of myth and there are not also. (2) The oral tradition that contains elements of the old myth are more likely to survive (as a cultural force) than those that do not. (3) The myth in the oral tradition of Ciacia Batuatas community can be a source of cultural strength when considered as a reality, but it does not become a source of cultural strength when only regarded as a myth
