According to forum posts, flying is a feasible option for traveling between Zagreb and Dubrovnik. Croatia Airlines offers flights, which are relatively affordable, with prices ranging from 50 to 80 euros.

Some travelers mentioned that buses are a reliable and comfortable mode of transportation between Zagreb and Dubrovnik. The bus journey can be long, but it is considered the cheapest way to travel. Details on bus schedules and companies can be found on Croatian bus service websites.

Travelers have called out that there is no direct train service between Zagreb and Dubrovnik. This limits the rail transport options, necessitating either a combination of train and other modes or choosing an alternative like a bus or plane.

For those considering driving, renting a car is suggested by some users for flexibility. However, this option might involve higher costs and the need to manage long driving hours across the country.

According to forum posts, one recommended option is a self-guided land tour with a rented car, allowing flexibility and the ability to explore mainland attractions at one's own pace. Another suggested option is combining a one-week cruise between Split and Dubrovnik with a week of land exploration, covering areas from Split to Zadar, including Krka National Park and Plitvice Lakes.

For specific interests, some travelers suggested private tours, highlighting experiences like a private guide in Dubrovnik and bespoke bike or wine tours in Korčula. These specialized tours can cater to personal preferences and provide a deeper exploration of selected areas.

Travelers have called out multi-destination itineraries as a viable option. For example, a tour from Dubrovnik through various Croatian cities up to the Istrian Peninsula, using a combination of car rentals and local tours, allows visitors to experience a broad swath of Croatian culture and scenery.

For solo travelers, choosing accommodation with good transportation links is crucial, as noted by a traveler planning a trip to Croatia without a car. They considered a mix of guided tours and independent travel using buses and trains, highlighting the importance of a central location when not driving.

According to forum posts, many solo travelers recommend using buses over trains, as they are generally more reliable in Croatia. For instance, one traveler planning to explore from Rijeka mentioned opting for buses as they found them to be better than trains for traveling to Plitvice and Split.

Solo travelers, especially those interested in social activities, find certain events and settings more conducive to meeting people. For example, a young traveler inquiring about yacht and sail weeks preferred options that cater to solo bookings to ensure easier mingling and socializing.

Travelers have advised focusing on destinations that offer both natural beauty and opportunities for interaction. One solo traveler adjusted their itinerary to include places like Split and Dubrovnik, where they could join group tours to nearby islands and national parks, enhancing both their social and travel experiences.

According to forum posts, Nova Rent a Car is highly recommended by many travelers for its reliability and presence at multiple locations in Split, including the airport and downtown areas. Other options mentioned include Sixt and Active, which have been praised for their new cars and helpful staff.

Some travelers have advised carefully documenting the condition of the car at the time of pickup to avoid disputes upon return. This includes taking photos of any existing damage. There are mentions that some companies may charge additional fees for cross-border travel, so it's advisable to check this before booking if planning to drive outside Croatia.

For travelers needing to drop off the car at unusual hours, it's noted that most rental companies offer a key box for after-hours key returns, ensuring flexibility in travel plans.

According to forum posts, there are various options for boat rentals in Croatia, including motorboats, sailboats, catamarans, and gulets. Rentals are available from various locations like Split, Dubrovnik, and Biograd na Moru. Some companies offer boats with different numbers of cabins, accommodating various group sizes.

Travelers have called out that booking in advance, especially during peak season in July, is advisable due to high demand. Companies like Euro Yacht and LM Yachting were mentioned positively for their services and deals.

Some users noted that boat rentals typically have a minimum duration, often at least three days, and that a recognized boat license is required if renting without a skipper. However, options with skippers are available for those without licenses.

Some travelers have recommended the Hotel Cornaro for its proximity to the Diocletian Palace walls and central location, making it convenient for exploring the city. Luxury options outside Split include Hotel Damianii or Plaza Duce, which offer beautiful beaches and are a simple bus ride away from the city.

For travelers focusing on beach access, suggestions include staying near Trstenik beach, especially since Znjan beach might be under construction. For those preferring proximity to cultural sites, staying close to the Palace and Riva is advisable.

In discussions about budget-friendly options, apartments are often highlighted as a cheaper alternative to hotels. Specific recommendations were not detailed, but travelers are advised to use location-based search tools to find accommodation near desired amenities like beaches or city centers.

According to forum posts, Croatia offers a variety of ferry routes connecting major coastal cities and islands, such as the routes from Split to Hvar and Hvar to Dubrovnik. Some travelers noted that there is typically one ferry a day from Dubrovnik to Korčula, which departs in the morning.

Travelers have called out the importance of purchasing ferry tickets in advance, especially during peak travel seasons like August. This can prevent issues with sold-out departures. Tickets can be bought online, and presenting the QR code from your smartphone at the dock is sufficient.

Some travelers said that for catamaran services, which are common on routes like Split to Hvar, it's advisable to arrive at the ferry terminal about 20 minutes before departure if you already have a ticket. This ensures you have enough time to board without rushing, even during busy times.

Travelers have noted that while exploring islands like Brač, having a car can be beneficial for accessing remote areas, though it may restrict ferry travel options due to different ferry types (car ferry vs. passenger-only ferry).

According to forum posts, many couples recommend Vis and Dubrovnik as top honeymoon destinations in Croatia. Vis is often described as a paradise, ideal for a romantic getaway, while Dubrovnik offers a blend of historic exploration with its old town and relaxing beach experiences.

For those seeking a quieter experience, some travelers suggested Bol on Brac Island and Rovinj in Istria. Bol is recognized for its atmosphere and the option to explore the island through tours, despite being quite busy. Rovinj provides a compact setting where honeymooners can enjoy the town without the need for a car, featuring several great hotels.

Travelers have discussed staying in places like the Royal Blue hotel near Dubrovnik for a relaxing start, which is a short taxi ride from the old town and offers proximity to good restaurants and bars. Additionally, engaging activities like boat tours and exploring local culture are highlighted as enriching experiences in these areas.