The article describes mass events and programs of spatial transformation in the selected European costal metropolises in statu nascendi, as well as the impact of these activities on the development potentials of the metropolises. Coastal metropolitan areas, due to their unique conditions, are particularly predisposed to the organization of the sporting and cultural events related to the marine identity. As the analyses carried out in the article show, these cities also host other events, such as Football European Championships and the World Cups, and are often given the status of the European Capital of Culture. These events, although they are not determined by the coastal location, often use the attributes related to it. With the organizat...