In this final work, all the components affecting the shelters are analyzed. In the Republic of Croatia shelters are regulated by the Maritime Code and are detailed in the Regulations on Shelter Sites and All International IMO Guidelines and EU Directives. The Rulebook on Shelter Sites defines the place of shelters as a place where it is possible to locate a vessel for the purpose of assisting or removing possible threats to people, ships or the environment and which is a procedure for its determination. The Ordinance also specifies the competent authorities and responsible persons for the selection and approval of the places of refuge, an integral part of the Ordinance is the ship's embarkation plan detailing the details of the competent authorities for the reception of the ship, a list of possible places of shelter, choice, list of available means and auxiliary devices. The introduction explains the financial guarantee and procedures for international harmonization and decision-making in the process of defining and the existence of shelters.