The development of sasi laut in the preservation of sea in Kei community

“Sasi laut” is a local wisdom of Kei society that prohibits community members to take natural resources in a particular area over a period of time. Sasi laut has an important role in the preservation of the sea. This article is based on research. The purpose of the research is to analyze causal factors of sasi laut are not practiced anymore in Kei kecil society, and the efforts to revitalize sasi laut as a local wisdom to preserve sea. This article uses socio-legal approach and the analysis is qualitative. The data consist of primary and secondary data. The results of the research show that sasi laut in several villages of Kei kecil is not practiced anymore because of the damage to sea and ecosystem, market problem, the society problem and adat institution problem. The efforts to revitalize sasi laut are improve the quality of the sea environment, legal awareness Kei society and the participation of local government. This article can be a recommendation for the local government of Southeast Maluku in order to determine the policy of sasi laut