In Croatia, nautical tourism is one of the most developed forms of tourism. This form of tourism has been strengthened because of the preserved and indented coast of the Republic of Croatia and numerous islands. We must also mention the city of Dubrovnik, which has been the third naval power in the world since the sixteenth century. Due to the fact that the city of Dubrovnik has always been focused on maritime affairs, citizens have also been educated as excellent and highly sought seafarers. Currently in Dubrovnik, the ACI marina in Komolac has 380 berths in the sea and 120 berths for accommodation of naval vehicles on land. For 15 years ACI marina Dubrovnik has been awarded the Blue Flag for cleanliness of the sea and environmental protection. Logistics is an important factor in every organization, including maritime. It deals with the mastery of space and time. This paper focuses on the logistic model of connecting nautical ports in Croatia, with a particular focus on the ACI marina Dubrovnik. The aim of the paper is also to make a SWOT analysis of the same marina.