For most travelers in 2026, 2 to 3 days is the ideal amount of time to spend in Split, Croatia. A single day is sufficient to explore the core historic center, specifically the Diocletian's Palace, which is a living monument where locals still reside and work. You can wander through the Peristyle, visit the Cathedral of Saint Domnius, and walk the Riva waterfront promenade. A second day allows you to experience the city like a local, perhaps by visiting the newly renovated Žnjan beach or hiking up Marjan Hill for panoramic views of the Adriatic Sea. If you have a third day, Split serves as an excellent "home base" for day trips to nearby wonders such as the Krka National Park waterfalls, the medieval town of Trogir, or a boat excursion to the islands of Hvar or Brač. While the city is very compact and walkable, spending at least three days ensures you don't have to rush through the Mediterranean atmosphere, allowing time for long seafood lunches and sunset cocktails at a relaxed pace.