Dubrovnik: Blue Cave Tour by Speedboat

The best part of this four-hour speedboat trip is the variety packed into a short outing. You move from shadowy sea caves to open swimming spots, then finish on soft sand at Šunj Beach, where you can order a cocktail or lunch at the beach bar.

I like the included snorkeling gear and cold drinks, which save you from carrying extra equipment or buying every refreshment onboard. I also like the mix of active and easygoing time: you swim and snorkel at the caves, then have up to 90 minutes to stretch out on the beach. The main drawback is that this is an open speedboat with no toilet, and you must be a decent swimmer to reach the caves.

At a glance

• Blue Cave on Koločep: Spend about 30 minutes swimming and snorkeling around one of Dubrovnik’s best-known sea caves.
• Three Green Caves: Allow roughly 45 minutes for photos, swimming, and exploring several linked cave spaces.
• Šunj Beach finish: Get 60 to 90 minutes on a sandy beach, with a beach bar for food and cocktails.
• Open-air speedboat ride: Expect wind, spray, sun, and a lively ride between stops.
• Useful inclusions: Snorkeling equipment, water, beer, wine, Coca-Cola, fuel, and a waterproof bag are included.
• Strong transport rating: The activity has a 4.7 rating from 46 reviews, with 86 percent giving the transport a perfect score.

Four hours from Dubrovnik to the islands

This trip is designed for people who want a taste of Dubrovnik’s nearby islands without committing to a full-day cruise. The route uses a speedboat, so much of the appeal comes from the ride itself: open sea, warm sun, wind in your face, and quick transfers between swimming stops.

The meeting point is at Knjižnica za društvene znanosti, a common departure area for boat tours. Look for Antonio, a staff member in a red shirt, or the Adriatic Boat Tours name. Give yourself time to identify the correct boat. Several tours can leave from the same place, and clear signs may be limited.

The tour is shared rather than private. That keeps the $82 price reasonable for a boat-based excursion, but you will not control the music, stop lengths, or passenger mix. The boat returns to the same meeting point after the final ride.

The crew speaks Croatian and English. Captain Mario received special praise for his music choices and precise boat handling on one recent trip. Crews can vary, so treat that as a useful indication of the service style, not a guarantee that Mario will operate every departure.

The speedboat ride: fast, open, and exposed

A speedboat gets you to the islands much faster than a slower sightseeing boat. The listed route includes rides of about 30 minutes from Dubrovnik to the first cave area, 10 minutes between the Blue Cave and Three Green Caves, 15 minutes to Šunj Beach, and another 30 minutes back to town.

That gives you about 85 minutes of total boat travel. The ride is part of the experience, but it is not a sheltered transfer. You will feel the wind, cold air, and sea spray, even on a sunny day. Wear swimwear under light clothing and bring something to protect yourself if conditions turn cooler.

I would not choose this outing if you regularly get seasick. The open boat and quick movement can feel lively, particularly if the sea is choppy. Pregnant women, people with back problems, wheelchair users, babies under one year, and people over 70 are listed as unsuitable for the activity.

There is no toilet on the speedboat. Use the restroom before departure. The only toilet mentioned for the trip is at the beach, making this a small but important detail for a four-hour outing.

Blue Cave: a short swim into the dark

The Blue Cave stop lasts about 30 minutes. You will have free time to swim and snorkel around the cave on Koločep Island, with the water and rock walls providing the main spectacle.

You need to swim into the caves, so this is not a boat-only viewing experience. The entry requires confidence in the water, and the tour specifically advises that you should be a decent swimmer. Snorkeling equipment is supplied, but you still need to manage your own swimming safely.

The short stop works well if your goal is to see the cave, take a few photos, and spend time in clear water. It can feel rushed if you want a long snorkeling session or need extra time to get comfortable in the sea. Waterproof phone protection is wise, and the included waterproof bag gives you a place to protect small items while you swim.

The cave is also the kind of place where conditions affect the experience. Sunlight, sea movement, and water clarity can change the look of the rocks and water. The tour promises access to the cave area, but it cannot make the sea perfectly calm or the light identical on every departure.

Three Green Caves: more time for swimming

The Three Green Caves stop lasts about 45 minutes, giving you more time in the water than at the Blue Cave. You can use the stop for photos, swimming, and snorkeling around the cave openings.

I like this part of the route because it spreads the active time across another setting rather than treating the Blue Cave as the only attraction. The caves give you rock walls and shaded spaces, while the water around them lets you snorkel and look back toward the island from the sea.

The stop is still not a guided geological visit. The supplied information focuses on free time, swimming, snorkeling, and photos, so expect a relaxed water stop rather than a long educational talk. Your guide will speak Croatian and English, but the emphasis is on getting you safely to the caves and allowing you to explore at your own pace.

Bring sunglasses for the boat and a camera that can handle water exposure. You should also keep sunscreen close by. Even time spent near cave entrances includes open-water sun, and the strong Croatian sun can catch you while you are having fun.

Šunj Beach: the easygoing final stop

Šunj Beach is the longest stop, with 60 to 90 minutes for swimming, snorkeling, and relaxing on the sand. You must walk through shallow water to reach the beach, so flip-flops or secure water footwear are useful.

This is a sandy beach stop, which makes it a welcome change from swimming around rocky cave entrances. You can put your feet up, feel the sand, and visit the beach bar for a cocktail, food, or another drink. Food is not included, so budget separately if you want lunch or a snack.

The timing here is flexible within the stated range. One hour is enough for a swim and a quick break. Ninety minutes gives you more time to dry off, order something, and enjoy the beach without watching the clock every few minutes.

For many people, Šunj will be the most comfortable part of the outing. The caves require swimming and coordination, while the beach lets you slow down. The tradeoff is that the beach can feel less distinctive if you prefer nonstop sightseeing. This is a good stop for variety, not just another photo opportunity.

What $82 includes, and what it does not

At $82 per person, the tour offers a fair package for a short boat trip if you value speed and several swim stops. Fuel is included, as are snorkeling equipment, water, beer, wine, Coca-Cola, and a waterproof bag. You do not need to rent a mask or buy basic drinks onboard.

The value is strongest when you use the whole design of the tour. You get transportation to several island locations, access to cave swimming, a beach visit, and refreshments in four hours. A private boat would cost more, while a slower group boat might offer less time at the actual stops.

You should still plan for extra spending. Food, beach-bar drinks beyond the included onboard selection, towels, hotel pickup, and crew gratuity are not included. Bring a credit card and some cash, especially if you plan to eat or order something at Šunj Beach.

The price does not buy a private experience. You share the boat, and the tour schedule is compact. If you want a quiet, unhurried day with total control over the route, a private charter may suit you better. If you want an efficient introduction to the nearby islands, $82 is easier to justify.

Packing for sun, water, and spray

Pack lightly. Large bags and luggage are not allowed, and the boat provides a waterproof bag for smaller belongings.

Bring:

• Swimwear and a towel
• Sunglasses and sunscreen
• Flip-flops or shoes suitable for shallow water
• A camera or waterproof phone case
• A credit card and some cash
• A light layer for wind or sea spray

The boat carries drinks, but bring a water bottle if you prefer to drink more often than the included supply allows. Remember that the strongest sun exposure comes during the open-water rides and beach stop, not only while you are swimming.

Towels are not included. That is easy to overlook when you see that snorkeling equipment is supplied. Pack your own towel, and do not leave valuables loose on the boat while you are in the water.

Who will enjoy this trip most

This outing suits you if you want a half-day of swimming and island scenery rather than a long historical tour. It is a good match for confident swimmers, couples, friends, and active families with older children who can handle open-water entry and a speedboat ride.

You will probably enjoy it most if you like variety. The route combines caves, snorkeling, beach time, and a fast ride, so no single stop has to carry the entire experience.

It is less suitable if you want a calm cruise, extensive commentary, easy access for limited mobility, or a private itinerary. The cave entries require swimming, the beach requires walking through shallow water, and the boat has no toilet.

The age and health restrictions also matter. 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.

A few practical points before departure

The tour offers free cancellation up to 24 hours before departure and allows you to reserve now and pay later. That flexibility helps if your Dubrovnik plans depend on weather, but it does not cover a delay, no-show, or incorrectly booked date.

Arrive at the correct meeting point with enough time to identify the staff. Several boats may operate nearby, and one recent departure involved some confusion before the correct boat was found. Look for Antonio, a red shirt, or the Adriatic Boat Tours name instead of assuming the first boat you see is yours.

Check the starting time when booking, since several departure times may be available. The total duration is four hours, but exact conditions at sea can affect how the ride feels and how easily you enter the caves.

The activity has a 4.7 rating from 46 reviews, and 86 percent of ratings gave the transport a perfect score. The strongest praise focuses on smooth boat handling, music, the caves, and the soft sand and beach bar at Šunj. Those are the parts I would use to judge the trip: it is a lively, well-packed coastal outing, not a slow cultural excursion.

Should you book the Blue Cave speedboat tour?

Book it if you are a confident swimmer and want to combine Dubrovnik’s nearby caves with a proper sandy beach stop. The route gives you three different moods in four hours: a fast sea ride, active cave swimming, and a relaxed finish at Šunj.

Think twice if you dislike spray, sun, shared tours, or short stops. You also need to be comfortable without a toilet onboard and prepared to walk through shallow water to reach the beach.

For the right person, the appeal is simple. You get a speedboat, snorkeling gear, included drinks, two cave areas, and time on one of the region’s sandy beaches for $82. Pack light, arrive early at the meeting point, protect yourself from the sun, and treat the caves as swimming stops rather than sightseeing platforms. That is the clearest way to get good value from this compact Dubrovnik outing.

FAQ

How long is the Blue Cave speedboat tour?

The tour lasts four hours, including the boat rides between Dubrovnik, Koločep Island, the caves, Šunj Beach, and the return meeting point.

Where does the tour start and finish?

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

Which caves does the tour visit?

The tour visits the Blue Cave on Koločep Island and the Three Green Caves at Koločep.

Do I need to be able 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.

Is snorkeling equipment included?

Yes. Snorkeling gear is included in the tour price.

Are drinks included?

Yes. Included drinks are 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 hotel pickup available?

No. Hotel pickup and drop-off are not included. You must reach the meeting point yourself.