Reviewed · DUBROVNIK TOURS
Dubrovnik cave experience swimming tour
Dubrovnik’s best swimming escape may be found just offshore, where the Blue Cave and Three Green Caves turn a boat trip into an active coastal adventure. You can swim through the cave openings, see the changing light inside, then stretch out on the golden sand of Sunj Beach.
I like the small maximum group of 10, which should make the boat feel more personal than a large excursion vessel. I also like the clean plan: one sandy beach and two cave stops, with drinks on board and no long list of rushed port visits. The main consideration is that this is a weather-dependent outing, and the cave swims may not suit anyone who wants a purely relaxed boat ride.
In This Review
- Key points at a glance
- A small boat, three very different stops
- Sunj Beach gives you a proper hour to slow down
- The Blue Cave is all about the changing light
- Three Green Caves add the active part of the day
- The ride between stops is part of the experience
- What the $89.92 price really covers
- Who will enjoy this tour most
- Practical details before you book
- My recommendation for the Dubrovnik cave experience
- FAQ
- Where does the Dubrovnik cave swimming tour start?
- Where does the tour finish?
- How long does the tour last?
- What places does the tour visit?
- How long do you spend at Sunj Beach?
- How long are the cave stops?
- Do I need to bring a swimsuit?
- What happens if bad weather cancels the tour?
Key points at a glance

- Three water stops: Swim at Sunj Beach, enter the Blue Cave, and explore the Three Green Caves around Kolocep and Lopud.
- Small boat setting: The Atlantic OPEN 750 carries a maximum of 10 people, keeping the group compact.
- About four hours on the water: The advertised duration can range from four to eight hours, but the planned outing is described as a four-hour tour.
- One hour at Sunj Beach: You have time to enjoy the sand, shallow water, restaurants, and bars.
- Drinks on board: The boat ride includes drinks while you cruise along the Dubrovnik coast.
- Flexible cancellation: Cancel at least 24 hours before departure for a full refund, subject to the stated weather and minimum-group conditions.
A small boat, three very different stops

This tour works because each stop offers a different kind of seaside pleasure. Sunj Beach gives you room to relax, the Blue Cave provides a brief natural spectacle, and the Three Green Caves add the most active part of the day with swimming and snorkeling through the openings.
You leave from Lapadska obala 6, on Dubrovnik’s Lapad waterfront, and return to the same meeting point. The route heads toward the Elaphiti Islands, a cluster of islands close to Dubrovnik known here for sheltered coves, clear water, and limestone caves.
The Atlantic OPEN 750 is a notably different setting from a big sightseeing boat. With no more than 10 people, you can expect a compact group and a more direct connection with the guide. One especially positive impression from the available feedback is the guide’s friendly, accommodating manner. That matters on a swim tour, where a calm and helpful guide can make the day feel much easier.
The timing deserves a little care. The tour is described as lasting about four hours, while the general duration is listed as four to eight hours. That may reflect weather, sea conditions, or the day’s operating schedule. If you have a flight, cruise departure, or dinner reservation, leave a generous buffer rather than planning around the shortest possible finish.
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Sunj Beach gives you a proper hour to slow down

The first stop is Sunj Beach on Lopud, one of the more appealing beach breaks near Dubrovnik. Its main draw is the golden sand, a welcome change from the rocky and concrete waterfronts found in many parts of the Croatian coast.
The sea here is shallow and clear, and the beach is backed by green plant life. That combination makes Sunj a good first stop because you can ease into the day before tackling the caves. You are not being asked to swim straight from the boat into a dark opening. Instead, you get about an hour to wade, swim, sit on the sand, or simply enjoy the setting.
There are restaurants and bars at Sunj, so this is also the easiest place to buy something if you want more than the drinks provided on board. Still, admission is included, not food or extra purchases, so bring a little spending money if you expect to eat or drink ashore.
The beach stop is also the tour’s clearest limitation for anyone hoping for an untouched cove. Sunj has places to eat and drink, which is useful, but it also means this is a developed beach stop rather than a totally quiet wilderness break. You should choose this tour for its mix of swimming, caves, and beach time, not for solitude.
The Blue Cave is all about the changing light
The Blue Cave stop lasts about 45 minutes and focuses on a natural light effect created by the cave’s underwater opening. Sunlight enters from below the waterline and reflects against the limestone walls, giving the inside a blue glow.
That description tells you what kind of experience to expect. This is not a long cave walk or a history-focused visit. It is a short, visual stop best suited to swimming, looking around, and taking in how the light changes the cave interior.
The Blue Cave is likely to be the most memorable stop for anyone who enjoys unusual natural settings. The effect depends on sunlight, so the cave’s appearance can change with the time of day and the weather. That also means you should not expect the same color intensity every time. The attraction is natural, not a set display.
You will want a swimsuit for this part of the trip. The tour is built around entering the water and exploring the caves by swimming, rather than viewing them only from the boat. The supplied information specifically asks you to bring swimwear so you can take part fully.
The 45-minute stop gives you enough time to enjoy the cave without making the whole day about one location. If you dislike enclosed spaces or are not comfortable in open water, you may prefer to admire the cave from the boat rather than swim through it. The tour description emphasizes swimming and snorkeling, so this is not the best choice for someone who wants to stay dry.
Three Green Caves add the active part of the day

The Three Green Caves provide another 45-minute stop, this time around Kolocep Island. Here, the goal is to swim and snorkel through several natural cave spaces.
This section should appeal to you if you like a little adventure without signing up for a demanding full-day activity. You are moving through shallow coastal spaces, looking at the cave interiors, and enjoying the clear sea around the openings. The caves give the stop more variety than a standard beach swim.
The name refers to the color and character of the cave setting, but the exact appearance can depend on sunlight, water conditions, and your angle from the boat. I would approach this as a natural swimming stop rather than a perfectly staged photo opportunity.
Because the cave visit lasts around 45 minutes, the guide needs to keep the group moving. A maximum of 10 people is helpful here. It should be easier to get in and out of the water and to follow the guide’s directions than it would be with a large crowd.
The tour information does not say that snorkels, masks, towels, or other equipment are supplied. Bring your swimsuit, but confirm equipment arrangements before departure if you need anything beyond the boat and the planned stops. That small check can save you from turning a swimming tour into a dry sightseeing trip.
Same stretch of coast, a completely different day out:
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The ride between stops is part of the experience

The boat journey connects the caves and beach, but it is not just dead time between activities. You cruise along the clear blue sea with the Dubrovnik coast and Elaphiti Islands around you, and drinks are available on board.
A small open boat can make the coastline feel more immediate. You are close to the water, and the route itself becomes part of the day. At the same time, an open boat offers less shelter than a large covered vessel. The tour depends on good weather, and conditions at sea can affect comfort even when the trip goes ahead.
Bring swimwear, but also think practically about sun protection. The supplied details do not list a specific shade arrangement, so you should prepare for exposure to the sun during the boat ride and beach stop. A towel and any personal items you need after swimming are sensible additions, though the tour information does not specify what is provided.
The boat returns to the same Lapadska obala meeting point. That makes the outing easy to fit into a Dubrovnik stay, since you do not need to arrange a separate return transfer from another island.
What the $89.92 price really covers

At $89.92 per person, this is not the cheapest way to spend a morning near Dubrovnik. The value depends on how much you want to do in a short time.
You are paying for a small-group boat outing, transport to the Elaphiti Islands, three organized stops, beach time, cave access by water, and drinks on board. A private boat charter would normally offer more control, but this shared trip gives you a way to reach several locations without paying for an entire boat yourself.
The maximum group size of 10 improves the value. A low headcount is particularly useful on an activity involving swimming and cave entrances. You are less likely to spend the whole stop waiting for a large group to get organized, though the exact pace will still depend on the people on your boat.
I would consider the price reasonable if you want a ready-made half-day on the water and plan to swim at every stop. It is less compelling if you mainly want a beach visit, since Sunj Beach can be the most relaxing part and the caves require active participation.
The drinks on board are a pleasant extra, but they do not turn the tour into a full meal outing. Since the beach has restaurants and bars, you can make your own food arrangements there. Check what is available and budget separately for anything you purchase at Sunj.
Who will enjoy this tour most

This experience suits you best if you want a mix of scenery and activity. It is a good match for couples, friends, and families with participants who are comfortable swimming in the sea. The general information says most people can take part, but the tour clearly centers on water access.
You will likely enjoy it if you:
- Want to see more than Dubrovnik’s old town in one day
- Prefer a small boat to a large group vessel
- Like swimming through natural caves
- Want a sandy beach stop rather than only rocky coves
- Appreciate a short half-day outing instead of a full-day island cruise
- Are happy to bring swimwear and spend time in direct sun
It may be a weaker match if you do not swim, dislike enclosed cave spaces, or want a quiet sightseeing cruise with no active section. The Blue Cave and Three Green Caves are not simply photo stops. The advertised experience asks you to get into the water.
The tour is also not built around extensive island exploration on foot. You get a focused visit to Sunj Beach and water-based stops at the caves. If your main goal is to wander Lopud or Kolocep for several hours, you should look for an island visit with more time ashore.
Practical details before you book

The activity starts at Lapadska obala 6 in Dubrovnik and finishes back there. The location is near public transportation, which is useful if you are staying away from the Lapad waterfront.
A mobile ticket is accepted, so you can keep the booking on your phone. Confirmation is sent within 48 hours, subject to availability. That timing is worth noting if you are booking close to your departure date.
The tour requires good weather. If poor weather forces a cancellation, you can choose another date or receive a full refund. The same applies if the minimum number of participants is not reached. Since the trip depends on open-water conditions, this policy is more than fine print. Keep your schedule flexible if possible.
For a full refund when you cancel yourself, you must cancel at least 24 hours before the start time. Cancellations or changes inside that 24-hour window are not refunded or accepted. The cut-off follows local time in Dubrovnik.
The tour has a maximum of 10 people, but the information does not state a minimum age, exact departure time, meal inclusion, or specific swimming equipment. Those are the details I would confirm before booking, especially if your group includes children or anyone who needs special equipment.
My recommendation for the Dubrovnik cave experience
I recommend this tour if you want a compact, active boat outing that combines three distinct water stops with a small group and a sandy beach break. The Blue Cave provides the visual highlight, the Three Green Caves keep you moving, and Sunj Beach gives you a comfortable place to rest.
I would book it for a sunny day with no tight plans afterward. Bring swimwear, plan for sun exposure, and allow more than four hours in your schedule because the listed duration can extend beyond the basic outline.
Skip it if you want a fully dry cruise, a long island walk, or guaranteed quiet. For swimmers who want caves, clear water, and a simple route from Dubrovnik, the $89.92 cost is a fair exchange for a focused half-day on the Elaphiti Islands.
FAQ
Where does the Dubrovnik cave swimming tour start?
The tour starts at Lapadska obala 6, 20000 Dubrovnik, Croatia.
Where does the tour finish?
The activity ends back at the same meeting point on Lapadska obala.
How long does the tour last?
The planned tour is described as lasting about four hours, while the general duration is listed as approximately four to eight hours.
What places does the tour visit?
The tour visits Sunj Beach on Lopud, the Blue Cave, and the Three Green Caves around the Elaphiti Islands, including Kolocep Island.
How long do you spend at Sunj Beach?
The beach stop lasts about one hour.
How long are the cave stops?
The Blue Cave stop lasts about 45 minutes, and the Three Green Caves stop lasts about 45 minutes.
Do I need to bring a swimsuit?
Yes. You are specifically advised to bring a swimsuit so you can swim and explore the caves fully.
What happens if bad weather cancels the tour?
If poor weather causes cancellation, you will be offered another date or a full refund. A full refund is also offered if the minimum number of participants is not reached and the activity is canceled for that reason.
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