The theme of this diploma dissertation is taken from subject: Integrated and multimodal transport, and it will explain the importance of maritime economy. Maritime economy plays very important role as it gives opportunity of progress to other economic branches, national economies and improves global economy. This diploma thesis will address concepts closely related to the maritime economy, the division of the maritime economy, as well as an explanation of the markets and market cycles that drive the economy. In addition to clarifying the system itself and the way the maritime economy system works, the legal rules, laws and sources of financing the maritime economy will be clarified, as well as various projects that make a great contribution to the maritime economy. The maritime economy will be presented as an important part of this paper, and special attention will be focused to the activities of the maritime economy, the specific economic cycles that drive the maritime economy and the specifics of pricing in the maritime global market. The paper will describe the interrelation and importance of individual industries for performing maritime activities and the way in which economic quantities can be predicted in the complex system of the global maritime economy. This diploma thesis will introduce the reader about: The Strategy adopted by the Republic of Croatia for the development of the national maritime economy, and it will explain importance of better international connections and cooperation in the regional and global maritime market. The conclusion will answer the hypotheses of this paper and will achieve the goal and purpose of explaining the maritime economy to the reader.