The final paper deals with the importance of quality in the tourism industry to increase the degree of capacity utilization of the same. It is the user of the service and / or product who gives the final judgment on the degree of satisfaction achieved. The most important goals of every hotel are to provide quality services and thus achieve competitiveness and profit growth, retain guests and attract even more guests. The focus on quality is reflected in the success of the entire hotel company in the tourism market. Quality must be reflected both in the facility and in the expertise, kindness and attentiveness of employees to each guest, the quality of food and beverages served, the overall atmosphere, cleanliness, etc. People are the initiators and bearers of all activities and only the necessary knowledge and teamwork can increase quality of work and results, is guest satisfaction and hotel profit. Quality and knowledge are always one of the important factors in achieving a competitive advantage for hotel companies. In addition to numerous positive effects, tourism development can also have a negative impact - primarily on the environment, and it is very important that tourism development strategies are based on sustainability. For example, the quality and its impact on the usability of the capacity of hotels located on the island of Brač are discussed.