Characteristics of Croatian tourism are seasonal character and massive tourism. For Croatia to remain an attractive tourist destination it needs to constantly improve and work on developing its offer. Development of selective forms of tourism is aprerequisite for holding on to current ones and attracting new tourists. With this goal in mind, sport tourism in the last couple of years has been profiled as one of the more important types of tourism. In this thesis, various definitions of sport tourism are named and an example is given in the form of basketball competition organizations in both Croatia and Slovenia with certain shortcomings in promotion regarding the competitive type of sport tourism in Croatia. Finally, based on the avaliable data about the population health from Germany, Slovenia, Italy and Austria which, are Croatia's largest tourist market arrivals, and the data of their participation in sport like activities in both every day life and during vacationing, the possibilities for further development and promotion of sport tourism in Croatia are stated and the parts of 'Strategy for tourism development in Croatia by the year 2020.' are commented on which refer to the development of sport tourism.