In this thesis the organization of the ports of nautical tourism will be described. The activities of the ports of nautical tourism have at their disposal infrastructure of contemporary built and organized facilities and contents for the reception, accommodation and maintenance of nautical tourism vessels. The marinas, as one of the most popular and most developed ports of nautical tourism activities, contains built, modernized and reconstructed nautical tourism facilities whose basic goal is to provide numerous services to boating-tourists and vessels of different size. The systematic and structural organization of facilities and content in nautical tourism ports is a relevant factor in the success of numerous marinas. On the example of marina Kastela, the facilities and contents of the marina and the services that the marina provides to boating tourists during the whole year are described.