The topic of this paper is mountain biking as a sports and recreational offer in the tourism of the Republic of Croatia. The paper follows the beginnings of the development of mountain biking, describes the basic concepts related to mountain biking and gives an insight into the current state of the mentioned sports-recreational activity as a tourist offer in Croatia. The first chapters of the paper describe the origin of this activity, present the characteristics and specifics of mountain biking, types of terrain and various forms and disciplines of mountain biking. Also, an insight is given into the reasons for engaging in this activity, that is, attractive factors are presented that can satisfy targeted populations needs. In the following text, the concept of cycling tourism as a tourist branch is presented and how much it is represented in the offer of world and domestic tourist destinations. Furthermore, the spatial predispositions of individual tourist-geographical macro-regions of the Republic of Croatia and the current state of mountain biking in these areas are analyzed. In addition to predispositions and the current situation, the problem of seasonality and uneven development of continental and coastal areas is also reviewed. After an insight into the state of mountain biking as a tourist offer, a proposal is made that would potentially enable raising the quality and expanding the offer. The problems that cyclists face are also mentioned, including administrative difficulties in building new trails. A list of the most popular events, events and races related to mountain biking is given, and positive examples of individual travel agencies and hotel chains that have recognized the potential of mountain biking as a cost-effective tourist offer are highlighted.