摘要:At Nanggroe Aceh Darussalam Province,regional domination pattern of sea still very strong grow in fisherman society.Therefore,in their society still functioned Panglima Laot that have the function to:defence and observe the sea for regional exploiting.In this case,the authoritative of Panglima Laot,first,maintaining the sea environment as cooperative ownership ( common heritage).Second,arrange the resource management of the sea.Third,give the sanction to the people that collision to rule of the customary law of the sea.In Implementated their function,Panglima Laot have a lot of constraint,such as:the factor of fishing in sea,institution factor,the earningsinstitute factor,regional boundary factor,human resource factor,factor of the weakness management system in effort fishery,and also factor of supply of the traditional arrest.