Management is process of organizing, planning, coordinating, leading ,motivating and as well controlling various material, non-material, technological and especially human potentials of an individual organizational structure in order to achiev effectively final tasks. Effective management is reflecteing in the extent to which the given tasks are achieved and exists precisely because it symbolizes an efficient or effective tool for carrying out assigned tasks. The Ministry of the Sea, Transport and Infrastructure in the Republic of Croatia takes out administrative tasks, such as the legal mechanisms for the protection of its internationally recognized part of the Adriatic Sea, which includes inland sea, the territorial waters and the exclusive economic zone, as well as the entire indented coast with numerous islands. Except for the sea part is responsible for all road, rail, air and postal traffic as well as the associated infrastructure. The subject of this work is the tasks and characteristics of the mentioned ministry with reference to the administration of navigation safety as well as the tasks of the administration or the human resources service in connection with the performance of the managerial function of human resources as well as the procedures for fulfilling all the tasks that are necessary for the efficient functioning of the entire system of ministry.