The development of selective forms of tourism leads to the increasing popularization and global growth of the cultural tourism market. In addition to its great importance in the economic development of the country, cultural tourism creates value for the cultural heritage, which, through proper sustainable management, turns it into a successful tourist product that positively affects the development of the entire destination. After deindustrialization, the city of Šibenik sharply changes direction and becomes aware of its rich cultural and historical heritage, which it successfully valorizes and revitalizes, affirming Šibenik as a recognizable destination of cultural tourism. Public institution Fortress of Culture Šibenik, which manages St. Michael’s, Barone and St. John’s fortresses, with its example encourages and improves the development of cultural tourism in Šibenik. With its modern approach to the sustainable management of cultural heritage, by providing attractive cultural and entertainment content, through the interaction of culture and tourism on the fortresses, educates the audience and strengthens the public's general perception of the importance of cultural heritage.