The business of the world economy has faced a pandemic that has not been remembered since the "Spanish flu" in 1918. This health congestion blocked the meeting of supply and demand, especially in terms of physical contact between users of goods and services. In this, tourism has suffered the biggest blow by blocking the use of tourism services based on personal contacts. Given that the Croatian economy in direct effects with about 29% of GDP, and indirectly over 50% based on tourism, has hit the Croatian economy hard. This final paper deals with the operation of marinas in the conditions of the COVID-19 pandemic, as well as the charter business. Of particular importance in this study is the analysis of the relationship between marinas and charters, as well as the effects arising in this regard under COVID-19 conditions. Through this research, all the basic factors that played a positive and negative role in the marina and charter business were explained. The role of state measures that were supposed to contribute to reducing the negative effects of the COVID-19 pandemic on the operations of marina businesses was also explained.