Croatia's tourism industry is experiencing a significant shift, with a focus on extending its shoulder season and diversifying its offerings. The country's May tourism momentum is particularly noteworthy, as it presents an opportunity to spread out the peak season and reduce pressure on infrastructure. This is especially important given Croatia's highly concentrated peak season, with over 50% of annual nights occurring in July and August. The May data reveals a 14.9% increase in nights, with Istria, German stays, and travellers aged 55 or above driving the growth. This trend is significant as it indicates a potential shift in demand, with a focus on earlier in the season. The article also highlights the need for Croatia to distribute demand more evenly across the calendar, the country, and the accommodation system. This includes promoting destinations beyond the Adriatic, such as Zagreb and continental Croatia, and extending products beyond beach-led stays into gastronomy, wellness, and cultural experiences. For travel agents and tour operators, the key takeaways are to build programs around May and late September, develop targeted products for mature travellers, and protect peak-season clients. The article concludes by emphasizing the importance of converting isolated shoulder-season growth into a sustained operating cycle, which will require dependable air and ground connectivity, open attractions, year-round staffing, and coordinated destination management.