Dubrovnik: Blue Cave Tour by Speedboat

Dubrovnik’s coastline is at its best from the water, where pale rock, clear sea, and small island caves replace the city’s busy stone lanes. This four-hour speedboat trip takes you to the Blue Cave, Three Green Caves, and sandy Šunj Beach, with time to swim at each stop.

I like the easy mix of adventure and downtime. You can swim into sea caves, then stretch out on real sand with a drink from the beach bar. I also like that cold drinks, snorkeling gear, fuel, and a waterproof bag are included. The main catch is that this is an open shared speedboat with no toilet, limited room for bags, and a route that suits confident swimmers more than cautious paddlers.

Key points to know before you go

• Swim into two cave areas: The Blue Cave and Three Green Caves are explored from the water, so bring swimwear and be ready to paddle through shallow or open sea.
• Šunj gives the trip a proper beach break: You get about 60 to 90 minutes on sandy shore, with a beach bar for cocktails or food.
• The boat ride is part of the attraction: Expect wind, spray, sun, and a brisk ride between Dubrovnik and the islands.
• Captain Mario has made a strong impression: His boat handling and music choices have been singled out as highlights on some departures.
• The $82 price includes useful extras: Snorkeling equipment, water, beer, wine, Coca-Cola, fuel, and a waterproof bag help keep added costs down.
• Meeting-point signs may be limited: Look for Antonio, a red shirt, or the Adriatic Boat Tours team among several boats leaving the area.

Why this four-hour boat trip works

This outing is not a slow sightseeing cruise. It is a compact swim-and-sun trip built around three stops, with the speedboat cutting down the time between them. For you, that means more time in the water and less time sitting on a large boat waiting for a distant island to appear.

The route around Koločep and nearby islands has a simple appeal. The sea is clear enough for snorkeling, the caves offer shade and a change of mood, and Šunj provides the rare luxury of soft sand in a region better known for rocky coves. You get a little action, a little beach time, and a little open-sea exhilaration in one morning or afternoon.

The 4.7 rating from 46 ratings, along with an 86 percent perfect-score rate for transport, points to a consistently well-liked outing. The strongest praise centers on the captain, boat control, music, caves, and the sandy beach. That tells you where the value lies: this is less about a formal island lecture and more about a well-run coastal outing.

Leaving Dubrovnik by open speedboat

You meet the crew at Knjižnica za društvene znanosti, a common departure area for boat tours. Staff should be waiting for you, but the meeting point can be confusing because several boats may leave from the same place. Look for Antonio, someone in a red shirt, or the Adriatic Boat Tours name.

Give yourself enough time to find the right boat. Clear signs may not be prominent, and one party spent a few minutes checking with other boats before locating the correct departure. That is not a major flaw, but it is useful to know before you arrive. Once aboard, the boat heads out for about 30 minutes toward Koločep.

The boat is open rather than enclosed. I consider that a plus on a sunny day because you get the breeze and wide views, but it also means you feel every gust, cool patch, and splash. Wear something that can handle sea spray, protect your skin, and keep a light layer handy if the weather turns cool.

There is no toilet aboard. Use one before leaving, since the only stated toilet stop is at the beach. Large bags and luggage are not allowed, so bring only what you need for the water, sun, and four-hour ride.

Swimming into the Blue Cave at Koločep

The Blue Cave is scheduled as the first stop, with about 30 minutes for swimming and snorkeling. The appeal is direct: you enter the cave from the sea, where the light changes and the enclosed rock makes the water feel cooler and more mysterious than the open coast.

This is not a walk-up cave with a platform or dry viewing area. You need to swim to get inside, and you should be comfortable in the water before booking. Snorkeling equipment is provided, which saves you from packing a mask and fins, although you still need swimwear, a towel, sunscreen, and a camera if you want photos.

Thirty minutes goes quickly. You have time to swim, look around, and take pictures, but this is not a long underwater session. Keep your expectations practical: the Blue Cave is one part of a fast-moving trip, not a private cave expedition with unlimited time.

The cave stop also depends on sea conditions and how easily the group moves through the water. If you are a confident swimmer, this active format should feel manageable. If you prefer to remain on the boat or need frequent assistance in the water, this is not the best match.

Exploring the Three Green Caves

After roughly 10 minutes by speedboat, you reach the Three Green Caves area on Koločep. The stop lasts about 45 minutes, making it the longest water-based section of the trip.

You can swim, snorkel, take photographs, or simply float near the boat. The caves offer several angles and openings rather than one single short look, so this stop feels more relaxed than the Blue Cave visit. It is also a good place to use the snorkeling gear and watch the changing shades of the water around the rock.

The word green refers to the way the caves and sea appear together in the coastal light. You should not expect a museum-style attraction or a formal presentation. The pleasure comes from being in the water, moving between rocky openings, and seeing the island from a low viewpoint.

The crew speaks Croatian and English, and the trip is guided rather than self-operated. On some departures, Captain Mario has been praised for his boat control and music selection, two details that matter on an open boat where the captain shapes much of the atmosphere. The music is a nice extra, but the more important point is confident handling between stops.

Taking a real beach break at Šunj

The final major stop is Šunj Beach, reached after about 15 minutes by speedboat. You get roughly one hour to 90 minutes here, depending on the schedule. That longer pause changes the rhythm of the trip from active swimming to proper relaxation.

Šunj is valuable because it offers sandy shoreline. Much of the Croatian coast is rocky, so being able to walk barefoot, sit on the beach, and ease into the water without scrambling over stones is a welcome change.

A beach bar provides cocktails and food for purchase. These costs are not included, so bring a credit card or cash. Drinks from the boat are included, including water, beer, wine, and Coca-Cola, but the beach stop gives you more choice and a chance to buy something to eat.

You will need to walk through shallow water to reach the sand, so flip-flops are useful. Keep your belongings in the supplied waterproof bag, especially if you are carrying a phone, wallet, or camera. Towels are not provided.

This is also the only stated toilet stop. If you need a restroom, use it here before returning to the boat. The beach break is long enough to swim again, order a drink, dry off, or simply sit in the sun. Take sunscreen seriously. The combination of bright water, reflected light, and an open boat can leave you burned before you notice it.

What the $82 price really covers

At $82 per person, the tour is priced as a midrange half-day water outing. The value is strongest if you plan to snorkel and use the included drinks and gear. Paying separately for fuel, a speedboat seat, snorkeling equipment, and several drinks could otherwise add up quickly.

The price includes:

• Snorkeling equipment
• Water, beer, wine, and Coca-Cola
• Fuel
• A waterproof bag
• Croatian and English-speaking guidance

It does not include hotel pickup, food, towels, or a crew tip. You need to reach the meeting point yourself, and you should budget for food or a beach drink at Šunj if that is part of your plan.

Compared with a full-day island cruise, this trip costs less and takes half the time. Compared with a basic sightseeing boat, it offers more active time in the water. The tradeoff is comfort. You do not get an enclosed cabin, a toilet, or space for large luggage.

For many people, that is a fair exchange. You are paying for access to several coastal stops and a fast boat, not for a polished luxury cruise.

Who should book it, and who should skip it

I would recommend this trip to you if you want a short, active outing from Dubrovnik and like the idea of swimming directly into caves. It is especially suitable for couples, friends, and families with older children who can swim confidently and manage a fast, open boat.

It also works well if you have only one free half-day. The four-hour schedule leaves time for other Dubrovnik plans, while still giving you a strong taste of the islands.

You should think twice if you are prone to seasickness. The boat is open, the ride can be windy, and the sea may feel rougher than it looks from shore. People with back problems, pregnant women, wheelchair users, babies under one year, and people over 70 are listed as unsuitable for this activity.

Smoking and pets are not allowed. Large bags and luggage are also prohibited. Bring sunscreen, sunglasses, swimwear, a towel, flip-flops, a camera, and money for food or drinks. A waterproof phone pouch is useful, but the supplied waterproof bag covers the basic need to protect small items.

The group is shared, not private. That keeps the price lower, but your time at each stop follows the group’s pace. If you want a boat, route, or schedule built around your own preferences, a private charter would be a better fit, though this tour is the more practical choice for a fixed four-hour budget.

Small details that make the day easier

The departure area deserves extra attention. Several tours may gather nearby, so do not simply walk to the first boat you see. Find the staff member named Antonio, look for a red shirt, or ask for Adriatic Boat Tours.

Dress for a mixed day. You may be wet after the caves, hot on the beach, and cool when the boat picks up speed. A swimsuit under light clothing works better than a heavy outfit.

Keep your camera ready but secure. The caves, rocky openings, and beach are the most photogenic parts of the route, yet the boat is moving and spray is possible. Use the waterproof bag for anything you cannot afford to lose.

The tour offers free cancellation up to 24 hours before departure and a reserve-now, pay-later option. Read the date carefully when booking. No refund is available for a delay, no-show, or incorrectly booked date.

Should you book this Dubrovnik speedboat tour?

Book it if you want three different coastal experiences in four hours: a Blue Cave swim, a longer session around the Three Green Caves, and time on sandy Šunj Beach. The included drinks and snorkeling gear make the $82 cost reasonable, especially when you value time on the water more than onboard comfort.

Skip it if you dislike open boats, need a toilet nearby, cannot swim confidently, or want a quiet sightseeing cruise. For the right kind of day, this is a lively and efficient way to leave Dubrovnik behind, cool off in clear water, and return with a little sand still in your flip-flops.

FAQ

How long is the Dubrovnik Blue Cave speedboat tour?

The tour lasts four hours, including the boat rides and stops at the Blue Cave, Three Green Caves, and Šunj Beach.

Where does the tour start and finish?

It starts and finishes at Knjižnica za društvene znanosti in Dubrovnik.

How do I find the correct boat?

Look for Antonio, a staff member in a red shirt, or the Adriatic Boat Tours team. Several tours may leave from the same area, so allow time to identify the correct boat.

Is the tour private?

No. This is a shared group tour rather than a private boat trip.

Do I need to know how to swim?

Yes. You need to swim to enter the caves, and you should be a decent swimmer. You also need to walk through shallow water to reach Šunj Beach.

How long do you spend at each stop?

You spend about 30 minutes at the Blue Cave, 45 minutes at the Three Green Caves, and 60 to 90 minutes at Šunj Beach.

Is snorkeling equipment included?

Yes. Snorkeling gear is included in the tour price.

What drinks are included?

The boat provides water, beer, wine, and Coca-Cola.

Is food included?

No. Food is not included, but you can buy food or cocktails at the beach bar on Šunj Beach.

Is there a toilet on the boat?

No. The speedboat has no toilet. The only stated toilet stop is at Šunj Beach, so use the restroom before departure.

Can I bring luggage or a large bag?

No. Luggage and large bags are not allowed. A waterproof bag is provided for smaller belongings.

Is hotel pickup included?

No. You must make your own way to the meeting point, and hotel pickup and drop-off are not included.

What should I bring?

Bring sunglasses, swimwear, a towel, a camera, sunscreen, flip-flops, and cash or a credit card.

Can I cancel the tour?

You can cancel up to 24 hours in advance for a full refund. Refunds are not available for a delay, no-show, or incorrectly booked date.

Who should not take this tour?

The activity is not suitable for pregnant women, people with back problems, wheelchair users, people prone to seasickness, babies under one year, or people over 70.