Yes, you can do a day trip to Dubrovnik in 2026, but it requires meticulous planning due to its geographical isolation. If you are staying in Split, the trip is quite long; the high-speed ferry takes about 4.5 to 5 hours each way, while a bus or private car takes about 3 hours. This leaves you with only 4–6 hours to explore the Old Town. A more popular 2026 day-trip route is from Montenegro (Kotor/Budva) or Mostar (Bosnia), which are both about a 2-hour drive away. To make a day trip successful, you should arrive by 9:00 AM to walk the City Walls before the cruise ship crowds and the midday heat arrive. In 2026, you must pre-book your "Dubrovnik Pass" online to skip the lines. While a day trip allows you to see the main sights like the Rector's Palace and the Stradun, veteran 2026 travelers suggest that you will miss the "magic" of the city, which truly comes alive after 7:00 PM when the day-trippers leave and the limestone streets begin to glow under the evening lights.