Dubrovnik: Blue Cave Tour by Speedboat

Dubrovnik’s coast is at its best from the water, and this four-hour speedboat trip packs three very different stops into a short outing: cave swimming at Koločep, rock jumping and snorkeling at the Three Green Caves, then soft sand and a beach bar at Šunj. The Blue Cave is the headline, but the beach gives the trip a welcome change of pace.

I like the mix of active and easygoing time. You can swim into sea caves, then sit with a cocktail or cold drink on the sand. I also like the practical extras: snorkeling gear, drinks, fuel, and a waterproof bag are included.

The main catch is the pace. You have only about 30 minutes at the Blue Cave and 45 minutes at the Three Green Caves, and you need to be a decent swimmer to enter the caves. The open boat also exposes you to sun, wind, spray, and motion, so this is not a good fit if you are prone to seasickness.

Key points at a glance

• Three very different stops: Swim at the Blue Cave, explore the Three Green Caves, and relax at sandy Šunj Beach.
• A true open-speedboat ride: Expect sea spray, wind, sun, and a brisk ride between Dubrovnik and the islands.
• Captain Mario may be at the helm: He is noted for smooth boat handling and a well-chosen music selection.
• Useful inclusions: Snorkeling equipment, water, beer, wine, Coca-Cola, fuel, and a waterproof bag are provided.
• Swimming ability matters: You must swim into the caves and walk through shallow water to reach the beach.
• Good value at $82: The price covers four hours, transport by speedboat, equipment, drinks, and several island stops.

Why this short Dubrovnik boat trip works

This is a compact coastal outing rather than a full-day island cruise. In four hours, you get a taste of the sea around Dubrovnik without giving up an entire day of sightseeing, which makes it useful if your schedule is tight.

The boat takes you away from Dubrovnik’s old-town streets and into the clear water around Koločep. That change matters. From a speedboat, the coast feels open and immediate. You are not simply looking at the islands from shore. You are moving between them, stopping where the water and rock formations provide the best setting for a swim.

The trip is shared, not private. That keeps the price at a reasonable $82 per person, but it also means you should expect to share the boat, the guide’s attention, and the timing of each stop. If you want a quiet, custom route or a long stay at one favorite cove, a private charter would suit you better.

The overall rating is 4.7 out of 5 from 46 ratings, and 86 percent of ratings give the transport a perfect score. That fits the nature of the experience: the boat ride and the captain are a major part of the fun, not just a way to get from one swim stop to the next.

Finding the boat at the Dubrovnik meeting point

The meeting point is the Knjižnica za društvene znanosti, a place used by several tours. Staff should be waiting there. Look for Antonio, a red shirt, or the Adriatic Boat Tours name.

Give yourself enough time to get your bearings. The meeting point can be busy with several boats leaving from the same area, and the correct boat may not be instantly obvious. One useful detail from the tour experience is that clearer signage would help, so do not assume the first boat you see is yours.

Keep your luggage light. Large bags are not allowed, and the boat has no toilet. Use the restroom before departure and bring only what you need for swimming, sun protection, and the ride home. A small day bag is more sensible than a suitcase.

The open speedboat ride to Koločep

The first and last legs take about 30 minutes, with shorter crossings between the stops. These rides are part of the attraction. You will feel the wind and possibly some sea spray, rather than sitting inside an enclosed cabin.

That is wonderful on a hot summer day, but it calls for sensible clothing. Bring sunglasses, sunscreen, swimwear, flip-flops, and a towel. A light layer can also be useful if the wind picks up. The boat is open, and the conditions can feel cooler once you are moving.

The crew provides water, beer, wine, and Coca-Cola. These drinks are a practical touch, especially after swimming, but food is not included. You can buy food at the beach bar during the Šunj stop, or bring only what is permitted by the operator. A credit card and cash are both listed as useful items to carry.

The boat also has a waterproof bag. Use it for phones, wallets, and cameras, but keep valuable items to a minimum. You will be moving between dry boat seating and salt water several times.

Blue Cave: 30 minutes of swimming and exploration

The Blue Cave at Koločep is the trip’s most famous stop. The appeal comes from entering a dark, enclosed sea cave where the water and rock create a very different setting from the bright open coast.

The scheduled time here is about 30 minutes. That is enough for a swim and a look around, but not enough for a long, unhurried session. You should arrive ready to get into the water rather than spending half the stop organizing your belongings.

You need to swim into the caves, so this stop is best for confident swimmers. The tour does not suit anyone who needs a step-free water entry or who is uncomfortable in open water. Snorkeling gear is included, giving you a chance to look below the surface as well as around the cave walls.

The Blue Cave is also a place where conditions can affect the experience. Light, water movement, and crowding can change how dramatic the cave feels, and the visit is necessarily brief. Still, the chance to swim into one of Dubrovnik’s best-known coastal caves adds a memorable element that you cannot get from a standard city walking tour.

Three Green Caves: more time for swimming

The Three Green Caves receive about 45 minutes, making this the longer cave stop. The schedule allows time for photographs, swimming, snorkeling, and exploring around the rock formations.

Compared with the Blue Cave, this stop is less about one famous interior space and more about the surrounding water and stone. You can use the time to swim, take photographs from the boat, or try snorkeling with the provided equipment. If you enjoy jumping into clear water from natural rock edges, this is the stop most likely to appeal to you.

The phrase natural rocks does not mean the entry is organized like a swimming pool. You should expect uneven surfaces, shallow water, and the need to follow the crew’s directions. Flip-flops are useful for shore areas, but take care with wet rock.

This is also where the speedboat format pays off. The boat can bring you directly to coastal spots that are awkward to reach by land. You get a look at Koločep from sea level, with the rock openings and water close around you.

Šunj Beach: an hour of sand and a beach bar

Šunj is the easygoing middle or final act of the tour, depending on the running order. You spend about 60 to 90 minutes here, with time for swimming, sunbathing, food, or a cocktail at the beach bar.

The beach is sandy, which is a welcome contrast to the rocky cave stops. Sand between your toes and a cold drink make this the most relaxed part of the outing. If your ideal boat trip includes more than repeated jumps into the sea, Šunj gives your body a chance to slow down.

You do need to walk through shallow water to reach the sandy beach. That makes the stop less convenient for anyone with limited mobility, and it is another reason to wear footwear that can get wet.

Food is not included in the tour price, but the beach bar gives you a place to buy something during the stop. The timing is long enough for a proper break, though you should remember that the return boat still runs to schedule. Keep an eye on the meeting time rather than wandering too far along the shore.

What the $82 price really covers

At $82, this is not the cheapest way to reach the sea around Dubrovnik, but the price is fair for a four-hour shared trip with several stops. You are paying for a speedboat, fuel, crew, cave and beach access by water, snorkeling equipment, drinks, and a waterproof bag.

The included drinks add real value because the sun and salt water make hydration important. The snorkeling gear also means you do not have to rent equipment separately or bring your own.

The price is less attractive if you mainly want a beach afternoon. In that case, a beach visit on its own may offer more time and less movement. It is also not the right purchase if you want a private boat, a slow sailing trip, or an elaborate meal. This tour earns its price through variety and convenience.

The ability to reserve now and pay later gives you some flexibility, and cancellation is free up to 24 hours before departure. That does not protect you from a late arrival, no-show, or incorrectly selected date, so check the date carefully and arrive on time.

Who will enjoy this outing most

I would recommend this trip to active couples, friends, solo visitors, and families with older children who are comfortable swimming. It works particularly well for someone who wants to see several coastal highlights but has only half a day available.

You will get the most from it if you:

• Swim confidently in open water.
• Enjoy a brisk boat ride with wind and spray.
• Want both cave swimming and beach time.
• Are happy with a shared group experience.
• Can manage uneven surfaces and a wet walk to the sand.

I would avoid it if you are pregnant, have back problems, use a wheelchair, are prone to seasickness, or are over 70. Babies under one year are also not considered suitable for the trip. These limits are important because the boat is open, the ride can be lively, and the cave entries require swimming.

The boat has no toilet, so anyone who needs frequent restroom access should think twice. There is one at the beach, but not during the crossings or cave stops.

Practical packing for four hours at sea

Bring swimwear, a towel, sunscreen, sunglasses, a camera, flip-flops, and some cash or a credit card. Apply sunscreen before departure, not only after you reach the islands. The sun is strong, and wind on the boat can make you underestimate how much exposure you are getting.

A waterproof phone case is still useful even though a waterproof bag is provided. Keep your phone secure when climbing in and out of the water, and avoid bringing large bags because they are not allowed.

Smoking and pets are not permitted. Dress for changing conditions rather than assuming the whole trip will feel hot. The open boat can be warm in direct sun and cool when moving quickly.

The tour is offered in Croatian and English. Captain Mario has received particular praise for boat control and music, which gives you a sense of the atmosphere: this is a lively ride with the captain actively shaping the mood, not a silent transfer.

Should you book the Blue Cave speedboat tour?

Book it if you want a fast, active half-day on the water with three distinct stops. The best reason to choose it is the combination of cave swimming, snorkeling, a natural-rock setting, and a sandy beach with a bar. Few four-hour outings offer that much variety without requiring a full-day commitment.

Think twice if you dislike open boats, need a toilet close at hand, or prefer long, quiet time in one place. The cave visits are short, the trip is shared, and the sea can feel rough to anyone prone to motion sickness.

For confident swimmers who want to trade some Dubrovnik pavement for clear water and island air, the $82 price is sensible. Arrive early at the meeting point, find Antonio or the red-shirted staff member, pack light, protect yourself from the sun, and be ready to get wet.

FAQ

How long does the Dubrovnik Blue Cave speedboat tour last?

The tour lasts four hours, including the speedboat 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. Staff may be identified by the Adriatic Boat Tours name, a red shirt, or the name Antonio.

Is this a private boat tour?

No. This is a shared group tour rather than a private charter.

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. Food is not included, although food and cocktails are available for purchase at the beach bar on Šunj Beach.

Do I need to be a strong swimmer?

You need to be a decent swimmer because you must swim to enter the caves. You also need to walk through shallow water to reach Šunj Beach.

Is there a toilet on the speedboat?

No. The speedboat has no toilet. The only listed toilet stop is at the beach, so use the restroom before departure.