Ports of nautical tourism are an important aspect of nautical tourism. They allow guests/boaters to stay in these accommodation units. Therefore, the quality of the service in these ports is one of the most important aspects that has an influence on the competitive advantage of nautical tourism as a whole. Depending on the category and the type of business, nautical tourism ports offer different services such as anchorage services, trading and hospitality services, technical troubleshoot services etc. These services thus might determine the ultimate satisfaction, or dissatisfaction of different customers. The ports of nautical tourism can be described as a system in which every component is equally important because every single element of its offer influences the rate of satisfaction. In order to achieve desired reputation and a good business result as a consequence, it is crucial to have an effective quality management and constantly search for areas of improvement. In addition, quality standards need to be defined inside the nautical port and subsequently, qualified and knowledgeable staff needs to be employed who is capable of satisfying needs of most sophisticated and demanding customers. Hence, it is very important to track the quality progress and identify gaps in quality management in order to achieve the competitive advantage on the nautical market, which is a key factor that allows a company to survive in this highly competitive environment.