Reviewed · DUBROVNIK TOURS
Dubrovnik cave experience swimming tour
The best part of this Dubrovnik boat trip is the chance to swim through natural sea caves, not just view them from offshore. Sunlight enters the Blue Cave through an underwater opening, lighting the limestone walls with a cool blue glow, while the Three Green Caves give you more room to swim and snorkel.
I like the small maximum group of 10, which should feel more personal than a large excursion boat. I also like the mix of three very different stops: sandy Sunj Beach for a break, then two cave visits for active water time. The main consideration is that this is a weather-dependent outing, and the cave portions require you to be comfortable in the sea.
Key points at a glance

- Three stops in the Elaphiti Islands: Visit Sunj Beach, Dubrovnik’s Blue Cave, and the Three Green Caves of Kolocep Island.
- A small Atlantic OPEN 750 boat: The group is limited to 10 people, keeping the outing relatively intimate.
- Real swimming time: The cave visits are built around swimming and snorkeling, not only taking photographs from the boat.
- About an hour on a sandy beach: Sunj Beach offers shallow, clear water and restaurants and bars nearby.
- A half-day price with useful flexibility: At $89.92 per person, the tour combines boat transport, three stops, and drinks aboard the boat.
- Free cancellation up to 24 hours ahead: Poor weather can also lead to a new date or a full refund.
Why the caves make this Dubrovnik trip different
Dubrovnik is famous for its old walls and red rooftops, but the coast gives you a very different way to spend a day. This excursion takes you away from the city by boat and into the Elaphiti Islands, where the main attraction is the water itself.
The Blue Cave is the more theatrical stop. Sunlight comes through an opening below the water and reflects against the limestone inside. That creates the blue glow that gives the cave its name. The effect depends on daylight and sea conditions, so you should treat it as a natural display rather than a guaranteed indoor light show.
The Three Green Caves offer a more active visit. You can swim and snorkel through the caves, making this the part of the trip best suited to anyone who wants to get in the water instead of staying on deck. Bring a swimsuit, since swimming is central to the experience rather than an optional extra.
I see the two cave stops as complementary. The Blue Cave is about the light and the setting. The Three Green Caves are about movement, exploration, and getting close to the rock formations. Together, they give the tour more variety than a simple beach cruise.
A few more Dubrovnik half-days to weigh up
- Blue Cave Small-Group Boat Tour from Dubrovnik
★ 5.0 · 9,360 reviews - Full-Day Dubrovnik Elaphite Islands Cruise with Lunch and Drinks
★ 5.0 · 8,823 reviews - Dubrovnik: Epic Game of Thrones Tour + Lokrum & Saver Option
★ 4.9 · 5,995 reviews
Setting out from Lapadska obala

The meeting point is at Lapadska obala 6 in Dubrovnik, and the boat returns there at the end. That makes the outing easy to fit into a Dubrovnik stay, especially if you want a coastal activity without arranging separate transport to another harbor.
The boat is an Atlantic OPEN 750, and the group limit is 10 people. That number matters. A smaller boat gives the experience a more direct feel, with fewer people competing for space when the boat stops at a cave or sandy beach.
The stated duration is approximately four to eight hours, while the tour description presents it as a four-hour outing. The scheduled stops account for about two and a half hours: one hour at Sunj Beach, 45 minutes at the Blue Cave, and 45 minutes at the Three Green Caves. The remaining time is used for the boat ride between locations, so allow a broad part of your day rather than scheduling a tight connection afterward.
Drinks are available on board as you travel across the clear blue sea. The information provided does not specify which drinks are served or whether they are included in the listed price, so check that detail when booking if it matters to you.
One hour on Sunj Beach

Sunj Beach is on Lopud Island and gives the tour a welcome change of pace after the boat ride. Its golden sand, shallow water, and clear sea make it notably different from the rocky swimming spots common along much of the Croatian coast.
You get about an hour here. That is enough time to swim, sit on the sand, or have a break near the restaurants and bars. If you prefer a calm start, Sunj is the least demanding stop because you can enjoy it without snorkeling or entering a cave.
The shallow water is useful for a mixed group. Someone eager to swim can head into the sea, while another person can stay on the beach. The hour is not long enough for a full beach day, though, so think of Sunj as a pleasant pause within a larger boat trip.
I would use this stop to dry off, have a drink, and reset before the cave visits. If your main goal is beach time, a dedicated trip to Lopud may suit you better. Here, the beach is one part of a three-stop route.
The Blue Cave and its changing light

The Blue Cave visit lasts about 45 minutes. The cave’s color comes from sunlight passing through an underwater entrance and reflecting on the limestone walls. That natural lighting is the reason to visit, and it gives the stop a quiet, enclosed feel compared with the open water outside.
You should expect conditions inside a sea cave to depend on the sun and the water. The strongest blue effect may not look identical at every moment, and the available information does not promise a particular level of visibility. Still, the design of the stop gives you time to look around rather than making a quick pass at the entrance.
The 45-minute period also leaves room for swimming, depending on the conditions and the guide’s instructions. Bring a swimsuit even if the Blue Cave is the stop you most want to photograph, since the overall outing is built around being in the water.
This stop is best for you if you enjoy natural effects and unusual coastal settings. It is less suitable if you expect a large cave with walkways, lighting, or dry access. This is a sea cave visit, reached by boat and experienced from the water.
Same stretch of coast, a completely different day out:
- Dubrovnik: Elaphiti Islands Full-Day Cruise with Lunch
★ 5.0 · 5,938 reviews - Dubrovnik: Old Town Walking Tour
★ 4.8 · 5,174 reviews - Dubrovnik: The Original Game of Thrones Tour & Lokrum Option
★ 4.8 · 5,064 reviews - Dubrovnik Game of Thrones Tour & Optional Lokrum Island Visit
★ 5.0 · 4,702 reviews
Swimming through the Three Green Caves

The Three Green Caves are the most hands-on part of the route. You are invited to swim and snorkel through the caves, so this stop rewards people who are happy to leave the boat and explore at water level.
You get approximately 45 minutes here. That is a useful amount of time for repeated swims, looking into the cave spaces, and enjoying the clear water without turning the visit into an all-day activity.
The name points to the color of the water and rock seen inside the caves, though the exact appearance will depend on sunlight and sea conditions. The appeal is not only the color. Moving through connected natural spaces gives you a stronger sense of the coast than viewing it from the deck.
Take the practical wording seriously: a swimsuit is essential, and you should be prepared for active swimming. The supplied details do not list equipment rental or safety gear, so do not assume that snorkeling equipment is provided unless the operator confirms it. The tour notes say most people can participate, but it is still your responsibility to judge your own comfort in open water.
What $89.92 buys you

At $89.92 per person, this is not the cheapest way to spend a few hours near Dubrovnik. The value comes from combining boat transport with three separate coastal stops, including two cave visits and an hour at a sandy beach.
The small group helps justify the price. With a maximum of 10 people, you are paying for an outing that should be less crowded than a large public boat excursion. You also avoid arranging separate transport to Sunj Beach, the Blue Cave, and the Three Green Caves.
The boat ride itself is part of the experience. You will be out on the clear sea, passing the coast and the Elaphiti Islands while drinks are available aboard. For someone who wants a compact water adventure, the price is reasonable if the caves are your priority.
The value is weaker if you mainly want to lie on a beach. In that case, an excursion focused only on Lopud might give you more time in the sand for less activity. You are paying here for variety and access to the caves, not simply for a beach transfer.
Group size, pace, and the guide

The tour has a maximum of 10 people, a useful limit for a boat-based outing with swimming stops. A small group can make it easier to listen to the guide, move between the boat and the water, and keep the schedule together.
The one published experience comment gives special credit to the guide’s friendly, accommodating manner and says the guide helped make the trip memorable. No guide name is provided, so I cannot tell you who will lead your departure. You can reasonably expect a guide-led outing, but the exact style of commentary is not described in detail.
The pace should feel active without filling an entire day. You have a clear sequence: Sunj Beach, the Blue Cave, then the Three Green Caves, followed by the return to Lapadska obala. The tour works best when you see it as a planned coastal circuit rather than an independent beach-hopping day.
Who should book this experience

I would recommend this trip to you if you want to combine swimming, snorkeling, and sightseeing in one outing. It is especially appealing if you have already spent time around Dubrovnik’s old town and want to see the coast from the water.
It also suits couples, friends, and small family groups who can agree on an active half-day. The shallow water at Sunj offers a gentler stop, while the caves provide more action for confident swimmers.
You may want to choose another activity if you dislike swimming, need a fully dry excursion, or want a slow beach day. The tour description says most people can participate, but that does not remove the need to feel comfortable in the sea. The Blue Cave and Three Green Caves are not simply lookouts reached by land.
Since the experience depends on good weather, keep some flexibility in your schedule. If poor weather forces a cancellation, you are offered another date or a full refund. The same applies if the minimum number of participants is not reached.
Practical details before you book
Wear your swimming suit from the start. The tour specifically asks you to bring one, and changing options are not described.
Plan on roughly four hours, but note that the published duration is approximately four to eight hours. The extra range may matter if you have dinner plans, a ferry, or another timed activity later in the day.
The meeting point is Lapadska obala 6, Dubrovnik, and the activity ends back there. The location is near public transportation, which is useful if you are staying away from the waterfront.
Confirmation is sent within 48 hours of booking, subject to availability. Book with that timing in mind if your Dubrovnik visit is short.
Most people can take part, but the tour is not described as accessible for every mobility need. Because the activity involves a small boat, caves, swimming, and snorkeling, ask the provider directly about any personal accessibility concern before booking.
Cancellation is free until 24 hours before the start time. Inside that 24-hour window, you receive no refund and changes are not accepted. Cutoff times follow local time in Dubrovnik.
Should you book the Dubrovnik cave swimming tour?
Book it if you want an active view of the Elaphiti Islands and like the idea of swimming through natural caves. The combination of Sunj Beach, the Blue Cave, and the Three Green Caves gives you three distinct experiences in one boat trip, and the 10-person limit is a real advantage.
Think twice if you want a guaranteed schedule, a long beach stay, or a dry sightseeing cruise. The sea, weather, and swimming conditions shape the day, and the tour makes its money through access to the water rather than elaborate facilities.
For most visitors who are comfortable swimming, this is a well-balanced coastal half-day. The friendly, accommodating guide style noted in the available feedback adds to the appeal, while the free cancellation until 24 hours before departure lowers the booking risk. Just bring your swimsuit, keep your schedule flexible, and confirm what is included with the drinks and any snorkeling equipment.
FAQ
Where does the Dubrovnik cave swimming tour start?
The tour starts at Lapadska obala 6, 20000 Dubrovnik, Croatia.
Where does the tour end?
The activity ends back at the meeting point on Lapadska obala.
How long does the experience last?
The approximate duration is listed as four to eight hours. The tour description presents the main outing as a four-hour tour.
Which places does the boat visit?
The route includes Sunj Beach on Lopud, the Blue Cave, and the Three Green Caves of Kolocep Island.
How much time is spent at each stop?
You get about one hour at Sunj Beach, 45 minutes at the Blue Cave, and 45 minutes at the Three Green Caves.
Do I need to bring a swimsuit?
Yes. You should bring a swimsuit because the experience includes swimming and snorkeling through the caves.
How many people can join the tour?
The tour has a maximum of 10 participants.
What is the cancellation policy?
You can cancel up to 24 hours before the experience for a full refund. Cancellations or changes made less than 24 hours before the start time are not refunded or accepted. If poor weather or an insufficient number of participants causes cancellation, you are offered another date or a full refund.
Just added around Dubrovnik
- Full- Day Private Speedboat Tour in Dubrovnik on Elaphiti Islands★ 5.0 · 21 reviews
- Wine Lover’s Tour of Peljesac Peninsula★ 5.0 · 150 reviews
- Wine tour peninsula Pelješac★ 5.0 · 3 reviews
- Elaphiti Islands Private Dubrovnik Boat Unique Experience★ 5.0 · 10 reviews
- Dubrovnik at War 1991-1992 Private Walking Tour★ 5.0 · 4 reviews
- PRIVATE Wine Tour to Konavle country side★ 5.0 · 11 reviews
- Walls of Liberty: A Self-Guided Audio Tour of Dubrovnik★ 3.5 · 3 reviews
- Parasailing in Cavtat★ 5.0 · 62 reviews
Dubrovnik Tours, compared.

Blue Cave Small-Group Boat Tour from Dubrovnik
Read our review →
Full-Day Dubrovnik Elaphite Islands Cruise with Lunch and Drinks
Read our review →
Epic Game of Thrones Tour + Lokrum & Saver Option
Read our review →
The Original Game of Thrones Tour & Lokrum Option
Read our review →
Dubrovnik Game of Thrones Tour & Optional Lokrum Island Visit
Read our review →


