The best way to travel across Croatia in 2026 depends on your itinerary, but a combination of car rental and fast ferries is the gold standard for most tourists. For exploring the Dalmatian Coast and islands like Hvar and Brač, the high-speed catamaran ferries operated by Jadrolinija or Krilo are efficient, scenic, and affordable. If you plan to visit the inland gems like Plitvice Lakes National Park or travel from Zagreb to the coast, renting a car provides the ultimate flexibility to stop at small stone villages and hidden beaches that buses simply cannot reach. The Croatian highway system (Autocesta) is modern, well-maintained, and easy to navigate. For budget-conscious travelers, the extensive network of long-distance buses (FlixBus or Arriva) is reliable and features modern amenities like Wi-Fi and air conditioning. While Croatia has a rail network, it is notoriously slow and does not reach many of the popular southern coastal destinations like Dubrovnik, making it the least efficient option for a time-sensitive vacation.