This paper analyzes the hotel accommodation of the city of Opatija, from the beginnings of tourism on the Adriatic to the present. The point is that the hotel accommodation in Opatija is of high quality, diverse and suits the destination and profile of tourists. Opatija is considered the cradle of Croatian tourism in general and health tourism in particular. In defense of the thesis, the historical framework for the development of tourism, especially the hotel industry, in Opatija was presented. A more detailed description of the city's offer, which contributes to the development and quality of the hotel offer, is described in more detail. The categorization of hotels and the share of the number of nights in hotels in relation to other types of accommodation are presented, as well as the analysis of the number of nights, in order to get acquainted with the hotel offer of Opatija and to reach conclusions about the quality of the offer and development possibilities. In particular, an analysis of the number of nights spent in Opatija hotels in three consecutive years was performed, as well as the share of realized nights spent in Opatija hotels in relation to the total number of nights spent in Opatija.