Dubrovnik: Blue Cave Catamaran Tour with Drinks and Snorkel

The Adriatic is best enjoyed from the water. This four-hour catamaran trip from Dubrovnik combines smooth sailing, cave swimming, snorkeling, and a stop at sandy Šunj Beach. I especially like the spacious, stable boat and the chance to visit several swimming spots instead of spending the whole outing at one crowded cove. The included drinks, shaded seating, toilets, and waterproof bags also make the day easy.

I also like the balance between active and lazy time. You can swim into the Blue Cave, look for fish around Koločep, then stretch out on the sand or return to the boat and listen to music. The main consideration is that this is a group trip, so the route and timing can change, and rough seas may prevent access to the caves.

Key points at a glance

• Four hours on a comfortable catamaran: More room to sit, move around, and find shade than on a typical speedboat.
• Three water stops: The schedule allows about 45 minutes at the Green Cave, Blue Cave, and another swimming location.
• The Blue Cave’s natural light show: Sunlight enters through an opening and gives the water its famous blue glow.
• A rare sandy beach stop: Šunj Beach on Lopud offers soft sand, a welcome change from Croatia’s usual pebbly shores.
• Drinks included at swimming stops: Bottled water, Coca-Cola, or beer are available, with a maximum of three drinks per person.
• A swimming-first outing: You need basic swimming skills, and at Šunj you must swim from the boat to shore.

Why this boat makes a difference

The boat is a major part of the experience. This is not a cramped transfer where you sit in one place and wait for the next stop. The catamaran has cushioned seating, open deck space, sunny areas, and shade. That matters in the Dubrovnik heat, especially when four hours on the water includes both active swimming and stretches of simply watching the islands pass.

A stable catamaran is also a good middle ground. You get the pleasure of sailing away from Dubrovnik without the rougher, faster ride associated with some small speedboats. The route across the Adriatic gives you open views and a pleasant breeze, though the sea can still become choppy. On one October trip, rough conditions meant the caves could not be reached, and the captain changed the plan.

The boat includes a restroom and toilet, which is useful on a half-day trip. Waterproof bags are provided too. Use one for your phone, wallet, and dry clothes, especially since you may need to swim ashore at Šunj.

The crew speaks English and Spanish. The tone appears relaxed and friendly, with music playing between stops. Hosts named Ziggy and captains such as Divo have been praised for being attentive and flexible. The trip is not built around long lectures, though, so expect short explanations about the caves rather than a full historical tour.

Leaving Dubrovnik for Koločep

The meeting point requires a little attention. You do not go straight to the boat. Check in 15 minutes early at a Regina Maris stand in the Old Town or at Copacabana Beach, or at the pier at Obala Lapadska 5. The company contacts you before departure with the exact instructions.

The listed starting point is Ribarnica ul. 1, and the trip returns there. Hotel pickup and drop-off are not included, so allow time to reach the meeting point yourself. This is especially important if you are staying outside central Dubrovnik or arriving by bus, taxi, cruise ship, or plane on the same day.

Morning departures run from 9 a.m. to 1 p.m. from April 1 through November 1. Afternoon times change with the season. They begin at 2 p.m. in early spring and autumn, 3 p.m. from May 2 through August 19, and 2:30 p.m. from August 20 through September 1.

As the catamaran pulls away, the city begins to look different. From the water, Dubrovnik’s walls and shore feel less like a sightseeing backdrop and more like part of the Adriatic setting. The ride toward Koločep is one of the calmer parts of the trip, giving you time to settle in, claim a comfortable spot, and watch the water.

Green Cave: the first real swim

The Green Cave on Koločep is scheduled for about 45 minutes. This is a proper swimming stop, not just a quick photo pause. You can put on the provided snorkeling equipment and enter the water, swim near the cave, and look below the surface.

The cave’s appeal is its enclosed feel and changing light. Guides point out where to go in the water and how to experience the cave safely. You may also use this stop to get comfortable with the sea if your last swim was a while ago.

The water can feel cold, especially outside the height of summer. One May outing found the Adriatic chilly but still enjoyable. Bring a towel and warm layer for the ride afterward. The catamaran’s seating and drinks help make the transition from swimming back to cruising comfortable.

The supplied snorkeling equipment is useful, but the exact setup may not suit everyone. Bring your own fins or mouthpiece if those matter to you. One report specifically noted that masks were available while personal fins and a preferred mouthpiece were worth bringing.

Blue Cave: a short, glowing spectacle

The Blue Cave is the signature stop. Sunlight enters through an underwater opening and lights the water from below, creating the blue glow that gives the cave its name. The effect depends on daylight, sea conditions, and access, so it is best understood as a natural moment rather than a guaranteed theatrical show.

You get roughly 45 minutes here for a visit and swim. That is enough time to enter the water, see the light from inside, and enjoy the cool shade of the cave. The swim is the point. If you are not comfortable in open water, ask for a life jacket before getting in.

The cave can be crowded. Several boats may be visiting the same popular sites, particularly in July and August. The crew tries to keep the stop moving, but you should not expect a private cave experience. That is one reason the other swimming locations matter. They spread the day across more than one place.

Sea conditions control access. The captain may change the route under any circumstances, and rough water can make a cave visit unsafe. If the Blue Cave is a must-see item on your Dubrovnik list, keep your expectations flexible and avoid scheduling the tour immediately before an important flight or cruise departure.

The third swimming stop and Koločep’s coves

The itinerary includes a third location described as a hidden swimming spot, with another 45-minute stop for swimming and snorkeling. The exact place can change because the captain chooses the route according to sea conditions and the group’s options.

This flexibility is useful. If a cave is too rough or crowded, the crew can direct you toward another cove or beach. You may spend time looking at the underwater world, swimming through clear water, or resting on deck. The staff gives practical tips about where to go for different experiences, which helps you make better use of a short stop.

Do not expect a serious snorkeling expedition. This is a scenic boat trip with snorkeling added, not a specialist wildlife tour. You may see fish and enjoy clear water, but the main pleasure comes from the combination of sea, caves, swimming, and the boat ride.

Šunj Beach and the pleasure of actual sand

The advertised route continues toward Lopud Island and Šunj Beach, the longest sandy beach in the Elaphiti Islands. Croatia is famous for clear water, but many of its beaches are made of pebbles. Šunj’s soft sand makes it a refreshing change.

There is one important catch: the catamaran cannot dock directly at the beach. You must swim from the boat to shore. Waterproof bags are provided, so keep your phone and valuables sealed. If you are carrying a camera, test the bag before leaving the boat.

At Šunj, the activity becomes simple. Walk on the sand, swim in the turquoise water, or lie back in the sun. This may be the most relaxing part of the afternoon, especially after the cave stops. It is also the stop most likely to please anyone who wants a beach break rather than four straight hours of sightseeing.

The route may not always include the exact beach described. On one outing, the group chose a quieter sandy beach instead. That is a fair trade if the main goal is sand and swimming, but it shows why you should treat the advertised stops as a plan rather than a promise.

Drinks, music, and what to bring

At the swimming stops, you can have bottled water, Coca-Cola, or beer. The allowance is a maximum of three drinks per person. The drinks are a welcome touch after swimming, but they do not replace lunch.

Snacks are not included. Bring something easy to eat, especially if you book an afternoon departure or tend to get hungry after swimming. A few people have eaten on Koločep during the outing, but you should not rely on a formal meal being part of the tour.

Pack:

• Swimsuit
• Towel
• Sunscreen
• Snacks
• Dry clothing
• A phone or camera in a waterproof bag
• Personal fins or a mouthpiece if you prefer your own snorkeling gear

There are sunny and shaded areas on the catamaran. Sunscreen still matters, since the reflection from the sea can catch you even when the air feels breezy. Music plays during the cruise, adding a light holiday mood. This is not the trip for silence and solitude, but the boat has enough room that you can usually find a comfortable place away from the loudest part of the group.

Is $76 a fair price?

At $76 per person, the tour is not the cheapest way to reach the Elaphiti Islands. But the price includes the catamaran, crew, snorkeling gear, drinks at swimming stops, restroom access, and waterproof bags. You are also paying for a half-day route that links Dubrovnik with several water stops and a sandy beach.

I see the best value in the boat itself. A spacious catamaran with cushioned seating and shade makes a real difference compared with a basic excursion boat. You also avoid arranging separate transport to Koločep or Lopud, finding your own swimming locations, and carrying your own equipment.

The value drops if you dislike group schedules or mainly want one quiet beach. Times at each location are approximate, and the captain may alter the route. The price makes more sense for couples, friends, and small groups who want a polished half-day on the sea without committing to a full-day island cruise.

The overall score is 4.6 from 139 ratings, and transport received a particularly strong 94 percent perfect rating. The repeated strengths are the boat’s comfort, the friendly crew, the music, the good use of space, and the quality of the stops. The recurring limits are crowded sites, modest historical commentary, and the possibility of weather-related changes.

Who should book this Dubrovnik boat trip?

I would choose this tour if you want to mix sightseeing with actual swimming. It suits confident swimmers, couples, families with older children, and small groups who prefer a calmer ride with room to stretch out.

It is also a good choice after you have explored Dubrovnik’s Old Town. The city’s historic center can be covered in a day, while the surrounding islands show you a different side of the region. This outing gives you open sea, island coves, cave light, and a sandy beach without using up an entire day.

I would think twice if you have heart problems, use a wheelchair, or cannot swim. Basic swimming ability is required: you need to enter and resurface, control your breathing, float, turn, and reach shore safely. Life jackets are available on request, but they do not replace swimming skills.

The trip may also disappoint you if the Blue Cave is your only reason for booking. Sea conditions, crowding, and the captain’s judgment can change access. Go for the complete package, not one guaranteed photograph.

Practical booking advice

Book with free cancellation in mind, since you can cancel up to 24 hours ahead for a full refund. You can also reserve now and pay later, which helps if your Dubrovnik plans are still shifting.

Arrive early at the correct check-in stand or pier, not directly at the boat. Late arrival and no-shows caused by cruise delays, flights, buses, taxis, or choosing the wrong date do not qualify for a refund. If illness prevents you from going, a medical certificate from a licensed doctor is required.

Leave enough time before and after the tour. The four-hour duration is approximate, and group activities can run differently from the stated schedule. Most important, keep the day flexible for weather.

Should you book the Blue Cave catamaran tour?

Yes, if you want a comfortable half-day with several swims, a friendly crew, and more space than a small speedboat offers. The included drinks, snorkeling equipment, shaded seating, toilets, and waterproof bags make $76 a reasonable price for the package.

Book it for the whole mix: Green Cave, Blue Cave, another cove, and sandy Šunj Beach. Do not book it expecting a private charter, a full history lesson, or a guaranteed cave visit in rough weather. Bring snacks, a towel, sunscreen, and your own fins if preferred. With those expectations, this is a relaxed and enjoyable way to trade Dubrovnik’s stone streets for the clear waters of Dalmatia.

FAQ

How long is the Dubrovnik Blue Cave catamaran tour?

The tour lasts four hours, although individual stop times and the overall schedule are approximate because it is a group activity.

How much does the tour cost?

The listed price is $76 per person.

Where does the tour start?

The listed starting point is Ribarnica ul. 1. You must first check in 15 minutes early at a Regina Maris stand in the Old Town or at Copacabana Beach, or at the pier at Obala Lapadska 5. Do not go directly to the boat.

What languages are available?

The live guide service is available in English and Spanish.

What is included in the price?

The price includes the boat trip, crew, snorkeling equipment, bottled water, Coca-Cola or beer at swimming stops, a restroom, waterproof bags, and toilet access.

How many drinks are included?

You can have a maximum of three drinks per person. Options are bottled water, Coca-Cola, or beer at swimming stops.

Is food included?

No. Snacks are not included, so bring your own.

Do I need to know how to swim?

Yes. Basic swimming ability is required. You need to enter and resurface, control your breathing, float, turn, and reach shore safely. Life jackets are available on request.

Can I walk directly from the boat onto Šunj Beach?

No. The catamaran cannot dock at Šunj, so you must swim to shore. Waterproof bags are provided for belongings.

Can the route change?

Yes. The captain may change the route under any circumstances, including rough sea conditions. Times are approximate, and cave access is not guaranteed in poor weather.