Reviewed · DUBROVNIK TOURS
Dubrovnik Cave tour by Speedboat
The best part of this private Dubrovnik speedboat tour is access. You reach caves and small beaches that have no road, no bus stop, and no easy land approach. The route combines boat time with swimming, snorkeling, cliff jumping, and a final stretch on Lopud’s broad sandy Šunj Beach.
I like the freedom of a private group of up to eight, especially since you can spend more time at a favorite stop instead of following a rigid schedule. I also like that the boat carries snorkeling equipment, water, soda, and a restroom. The main point to weigh is the extra cash payment for the skipper and fuel, listed as 80 each, because those costs raise the true price beyond the advertised group rate.
Key points at a glance

- Lokrum by boat: Enter the island’s cave from the water and swim or jump straight from the boat.
- Betina Cave near Dubrovnik: Reach a quiet pebble beach close to the Old Town, but accessible only by sea.
- Koločep’s cave sequence: Snorkel in the Blue Cave and pass through three connected Green Caves.
- Šunj Beach on Lopud: Finish with shallow water, white sand, and free time near cocktail bars.
- Private timing: Your group controls the pace, with no strangers sharing the boat.
- Useful extras included: Snorkeling gear, bottled water, soda, private transport, and an onboard restroom.
A four-hour route built around the sea

This is not a sightseeing cruise where you admire the coast from a seat and return to port. The boat is your transport between swimming spots, caves, and beaches. You should expect roughly four hours on the water, with about half an hour at Lokrum, half an hour at Betina Cave, an hour and a half around Koločep, and 40 minutes at Šunj.
The order gives the outing a good rhythm. You start with Lokrum’s rocky shores, move to a quieter beach near Dubrovnik, spend the longest period snorkeling and exploring caves around Koločep, then finish with a relaxed beach stop on Lopud. The mix means you are not asked to spend the whole trip swimming or the whole trip sitting still.
Because the tour is private, you can speak up if your group wants more time in the water or a quicker departure from a stop. One five-star account specifically praised Luka for being informative and flexible, which matters on a boat trip where weather, sea conditions, and group energy can affect the pace.
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Lokrum Island and its boat-access cave

Lokrum sits just offshore from Dubrovnik and is uninhabited. From the boat, you get a different view of the island than you would from a standard city excursion. The aim here is not a long walk inland. Instead, you approach the shore by water, enter Lokrum Cave by boat, and have time to swim or jump from the vessel.
This is a strong opening stop because it gets you into the water early. If you prefer watching rather than jumping, you can simply enjoy the setting from the boat and use the provided snorkeling gear when conditions suit. The tour description allows for swimming and jumping, but you should decide based on your own comfort and the skipper’s instructions.
The stop lasts about 30 minutes. That is enough for a quick swim and a look inside the cave, but not enough for a long exploration of Lokrum itself. Admission to Lokrum is not included, and this outing is focused on the sea rather than an island visit. If you want gardens, walking paths, or a longer stay on Lokrum, you would need a separate plan.
Betina Cave, a quiet pebble beach by Dubrovnik

The second stop is Betina Cave, near the Scheherazade Villa and close to Dubrovnik’s Old Town. Its small pebble beach can only be reached by sea, which helps explain its quiet feel. This is the kind of place that gives the trip its value: you are near one of Croatia’s busiest sights, yet the beach itself is removed from the usual street traffic.
You get around 30 minutes here. Use it for a swim, a little snorkeling, or simply time on the pebbles. The beach is not presented as a full-service stop, so bring a practical attitude. The boat carries drinks, but you should not expect a long list of beach facilities or a major meal.
Betina Cave is also a useful contrast to Šunj. Betina is a small, secluded pebble beach tucked near Dubrovnik. Šunj is a much broader sandy beach with shallow water and cocktail bars. Having both in one trip lets you compare two very different coastal settings without arranging separate transport.
Koločep’s Blue Cave and three connected Green Caves

Koločep is the main event for anyone booking this excursion for cave time. The boat heads first to the Blue Cave, where you can use the included snorkeling gear and enter the cave from the sea. The water is described as clear, and the cave setting gives you a chance to look below the surface as well as around the rock walls.
You have about an hour and a half for the Koločep section, including the Blue Cave and the three Green Caves. That is the longest stop, and rightly so. It gives you room to swim, snorkel, and move between several nearby formations rather than treating each cave as a quick photo stop.
The three Green Caves are linked together. You can go from one cave to another and come out at another part of the island. That connected layout makes this more active than simply floating outside a cave entrance. Still, the exact ease of moving through the caves depends on sea conditions and your comfort in the water, so do not assume every member of your group must pass through every opening.
Cliff jumping is also possible here for those who want it. This is optional, not the purpose of the tour. If you choose to jump, follow the skipper’s directions and use sensible judgment. The supplied gear includes snorkeling equipment, not specialized cliff-jumping equipment.
Koločep is where the private format pays off most. One person can snorkel while another rests on the boat, and the group can decide how much time to spend in each cave. A larger shared excursion might keep everyone moving on a fixed clock. Here, the pace can better fit a family or a mixed-age group.
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Šunj Beach on Lopud

After the cave stops, the boat takes you to Šunj Beach on Lopud. This is one of the best-known beaches in southern Croatia, with a one-kilometer stretch of white sand and shallow water. The 40-minute stop is designed for a change of pace: relax, swim, or get a drink at one of the cocktail bars.
The shallow water makes Šunj a practical ending for a group that has already spent time around rocky caves. It is less about discovery and more about comfort. You can dry off, settle into the sand, and let the final part of the outing feel easy.
Forty minutes is enough for a swim and a short rest, but it is not a full beach day. If you want a long lunch, extended time at a bar, or several hours on Lopud, this tour will feel brief. The advantage is that Šunj works as a final stop without taking over the whole excursion.
What the private boat format changes

The tour is private for your group, with a maximum of eight people. That has two clear benefits. First, you do not share the boat with unrelated groups. Second, the skipper can respond to your group’s preferences within the available time.
This matters if your party includes strong swimmers, cautious swimmers, children, or people who mainly want coastal views. You can spend more time at a cave if everyone is enjoying it, or move on if the water feels rough or the group has had enough.
The tradeoff is cost. The advertised price is $445.52 per group, not per person, so the value improves as your group gets larger. At eight people, the base price works out to roughly $56 per person before the extra skipper and fuel charges. For two people, the same base rate is much harder to justify unless you place a high value on privacy and flexibility.
The skipper and fuel are listed separately at 80 each, paid in cash on the boat. Since the currency is not stated in the supplied details, confirm the exact amount and currency before departure. This is the single most important pricing question to settle when booking.
What comes with the price

The practical inclusions are well chosen for a half-day on the water. You receive bottled water and soda, which saves you from carrying all your own drinks. Snorkeling equipment is provided, so you do not need to bring a mask and fins just for this outing.
An onboard restroom is another useful feature. Four hours can feel long without one, especially when the route includes several remote beaches and caves. Private transportation is also included, and pickup is available in Cavtat, Mlini, and Srebreno.
The tour is offered in English. The booking information says confirmation arrives at the time of booking, and service animals are allowed. It is near public transportation, and most people can participate, though the activity still involves boat movement, swimming, pebbles, caves, and optional jumping from the boat.
Price, timing, and what to clarify

At $445.52 for up to eight people, this is best viewed as a private charter rather than a standard group excursion. You are paying for a boat reserved for your party, access to sea-only locations, and control over the pace. The per-person value is strongest with a family or group of friends.
Add the listed 80 skipper payment and 80 fuel surcharge, both paid in cash on board. Ask the provider to confirm whether those amounts are fixed, what currency applies, and whether they are charged once per group. The supplied details do not explain those points clearly enough to ignore them.
The listed duration is approximately four hours. Pickup is included in Cavtat, Mlini, and Srebreno, but the details do not specify exact pickup times or locations. Confirm those before the day of departure, particularly if you are staying elsewhere in the Dubrovnik area.
This experience requires good weather. If poor weather forces cancellation, you are offered another date or a full refund. You can also cancel for a full refund if you do so at least 24 hours before the start time. Changes or cancellations made inside that 24-hour window are not accepted for a refund.
Who will enjoy this Dubrovnik boat trip most
I would recommend this for people who want active time at sea rather than a history-focused excursion. It suits swimmers, snorkelers, families, and groups of friends who like to combine several stops in one morning or afternoon.
It is also a good fit if you have already seen Dubrovnik’s Old Town and want a different side of the area. Betina Cave places you near the city while keeping you away from the usual urban setting. Lokrum, Koločep, and Lopud then give you a wider look at the nearby islands.
Families should note that the tour includes optional jumping, caves, rocky or pebbled shorelines, and time in open water. The supplied information says most people can participate, but it does not give age, height, or swimming requirements. If you have young children or non-swimmers in your party, ask the provider how the stops can be adapted.
This is less suitable if you want a slow cruise with no swimming, a long meal, or extensive time on land. The stops are short except for Koločep, and the point is to get in and out of the water.
Should you book it?
Book this tour if your priority is reaching Dubrovnik-area caves and beaches by private boat, with enough flexibility to suit your own group. The combination of Lokrum Cave, Betina Cave, Koločep’s Blue and Green Caves, and Šunj Beach gives you a lot of variety in four hours.
I would be especially comfortable recommending it to a group of four to eight people, since the shared price becomes more reasonable. Before paying, confirm the cash skipper and fuel charges, pickup details, and the weather plan. If those costs fit your budget and your group enjoys swimming, snorkeling, and a little adventure, this is a strong way to spend half a day on the Adriatic.
FAQ
How long is the Dubrovnik Cave tour by speedboat?
The tour lasts approximately four hours.
How many people can join the private tour?
The private boat can accommodate a group of up to eight people.
Is hotel pickup included?
Pickup is available and included in the Cavtat, Mlini, and Srebreno areas.
Is snorkeling equipment provided?
Yes. Snorkeling equipment is included for use during the stops.
Are drinks included on the boat?
Yes. Bottled water and soda are included.
Are the skipper and fuel included in the listed price?
No. The skipper and fuel surcharge are listed separately at 80 each and are paid in cash on the boat.
What happens if the weather is poor?
The experience requires good weather. If it is canceled because of poor weather, you can choose another date or receive a full refund.
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