Yes, 3 days is widely considered the "sweet spot" for a visit to Dubrovnik in 2026. This duration allows you to explore the UNESCO-listed Old Town and walk the famous City Walls on day one, take a boat trip to the lush Lokrum Island on day two, and still have time for a sunset cable car ride to Mount Srđ or a day trip to the Elaphiti Islands on day three. While the city itself is compact, a three-day itinerary prevents you from feeling rushed and accounts for the high volume of cruise ship tourists that can make the midday hours quite crowded. If you are a Game of Thrones fan, 72 hours is also plenty of time to join a filming location tour without sacrificing your chance to relax at Banje Beach or enjoy the local seafood scene at the historic harbor.