This paper deals with the topic of the agency's role in the development of nautical tourism on the example of the charter agency Prime yachting d.o.o. which is located in Split. The role of agencies at the port of nautical tourism, charter, cruising and boat rental is discussed. Today, nautical tourism is intensively developing, and therefore charter and curising activities. Due to growing and demanding market, there is an increasing need for inrermediary services when renting a vessel. Travel agencies have various buisness functions in nautical tourism, but the most important ones are mediating and organizing trips. They have a higly motivating function, more specifically, the bring foreign and domestic tourist to the Republic of Croatia with their organized trips, and thus have a positive effect on the country's economy, more specifically the increase in GDP. Agency Prime yachting d.o.o. with this example, he show us that even COVID 19 pandemic did not affect and threaten agency's operations. And the promotion throught agencies that promoted nautical tourism as completely safe tourism, which supports mass tourism, and as such has very little contact with other tourist at a certain location, is largely responsible for this. The agency's income in three crisis years of the pandemic showed a very large growth. This paper confrims that the role of travel agencies in Croatia is important in charter and cruising, and that Prime yachting d.o.o. agency greatly contributed to the development of Kaštela Bay through its activites in that area.