Dubrovnik:Blue cave and sandy beach Sunj with a private speedboat

The best part of this half-day trip is the chance to see several very different sides of the Elaphiti Islands without committing to a full-day cruise. You get a rare sandy beach, three cave areas, and clear water for swimming, all from a private speedboat with Captain Ivan at the helm.

I like the flexibility of a private outing, especially when the sea gets choppy and the captain can adjust the route. I also like the useful inclusions: snorkeling gear, floating devices, bottled water, soft drinks, sandwiches, fuel, and pickup or drop-off. The main drawback is time. Four hours sounds generous, but three water stops plus boat travel can feel brisk, and towels are not provided.

Key things to know before booking

• Sunj Beach is the easygoing opening stop: Its sand, shallow water, pine trees, and beach bars make it a good place to swim and settle into the afternoon.
• The private boat keeps the outing flexible: Your group of up to six rides together, and Captain Ivan has adjusted routes when rough water made another course more comfortable.
• Kolocep’s green caves come as a small cluster: You visit three nearby caves with unusual rock shapes and clear water suited to swimming and snorkeling.
• The Blue Cave is a swim-in sight: The blue glow comes from sunlight reflecting off pale limestone below and around the cave. You may need to swim under a rock to see the strongest effect.
• Drinks and a simple meal are covered: Water, Coca-Cola, Fanta, juice, and sandwiches are included, which saves you from arranging refreshments during a short tour.
• Bring your own towel: Towels are the notable omission, and you will want one after the beach and cave swims.

A private speedboat escape from Dubrovnik

Dubrovnik’s old town gets the attention, but the islands offshore offer a welcome change of pace. This tour takes you away from stone streets and crowded viewpoints and onto the water around the Elaphiti Islands, a small group of islands just off the Dubrovnik coast.

The outing lasts about four hours and is private for your group, with a maximum of six people. That matters here. Swimming stops are personal by nature, and a private boat means you are not trying to keep up with a large group every time someone wants another few minutes in the water.

The advertised start point is at Lapadska obala 28 in Dubrovnik. Pickup is offered, and Captain Ivan has also helped when a lodging location was outside the normal pickup area by collecting people from the nearest marina. That kind of flexibility is useful, but confirm your pickup details before setting off.

The boat is described as clean and comfortable, with a speedboat setup that allows the group to cover several stops in a short period. You get snorkeling equipment and floating devices or life vests. Bring swimwear, sun protection, and a towel. The tour supplies bottled water, soft drinks, juice, and sandwiches, but towels are not included.

Sunj Beach: sand, shallows, and an easy first swim

The first stop is Sunj Beach on Lopud, one of the Elaphiti Islands. Croatia has plenty of beautiful coves, but broad sandy beaches are less common than pebbly shores, so Sunj offers a different kind of coastal stop.

The beach is backed by pine trees and has shallow, clear water. I see this as the most relaxed part of the outing. You can wade in slowly, swim without immediately reaching deep water, or simply sit on the sand while the rest of your group gets wet.

There is about an hour here. That gives you enough time for a proper swim and a little sunbathing, though not necessarily enough for a long beach day. Several beach bars and restaurants are available if you want something beyond the included drinks and sandwich.

Sunj is a particularly good match for mixed groups. Strong swimmers can head farther into the water, while less confident swimmers can stay in the shallows. Families may appreciate the gentle entry, although the tour’s general participation guidance does not provide detailed child-specific information, so ask the operator if you have young children or particular mobility concerns.

The tradeoff is that the beach can become the least private-feeling part of a private boat trip. Your boat is private, but the beach itself is not. If your ideal excursion means total solitude, Sunj may not meet that expectation. If you want a comfortable swim and a little time on sand, it earns its place.

Kolocep’s green caves and clear water

From Sunj, the boat continues to Kolocep Island, also known as Kalamota. The next stop is a group of three caves located close together. They are referred to as the green caves, and their appeal comes from the rock forms, shaded interiors, and clear seawater.

This is not a dry cave walk. The focus is on seeing the caves from the water and getting in for a swim or snorkel. The provided equipment means you do not have to bring a mask and snorkel, which is one less item to organize before leaving Dubrovnik.

Allow about an hour for this stop. The time can be used for swimming, looking at the rock around the cave openings, and floating with the supplied devices. The caves are a better fit for people who enjoy being in the water than for anyone who wants a guided historical or geological lecture.

The description does not promise a large marine-life encounter, so keep your expectations sensible. The attraction is the clear water and the rock formations. Visibility will also depend on conditions, and the tour requires good weather. Captain Ivan has shown a willingness to change course when water conditions are choppy, which is an important practical advantage on a small speedboat.

If you are prone to seasickness, the route adjustment may help, but no boat trip can remove the possibility of motion. Consider taking your usual precautions before departure. The tour includes floating equipment and life vests, but you should tell the captain if you are not a confident swimmer.

The Blue Cave: a short swim for the strongest color

The final stop is Kolocep’s famous Blue Cave. Sunlight reflects from the limestone floor and walls, creating a blue glow inside the cave. The effect is natural, but it depends on light, water conditions, and where you are positioned.

You are supplied with snorkeling gear and floating devices or life vests. One particularly useful detail is that reaching the best view may involve swimming under a rock. That means the Blue Cave is not simply a sight you admire from the boat. You should be comfortable getting into the water and following the captain’s instructions.

For many people, this will be the highlight of the trip. The unusual color gives the stop a sense of occasion, and the short swim makes it feel more active than a standard sightseeing cruise. Captain Ivan has been praised for explaining the caves clearly and keeping safety in mind, both of which matter when you are entering a confined natural space.

Still, this is not a guaranteed glowing room on every visit. Natural light changes, and the final effect can vary. The information provided does not give an exact swim distance, water temperature, or cave access rules, so ask for a current safety briefing before entering. Do not treat the supplied flotation equipment as a substitute for swimming ability.

The order of the stops also works well. You begin with an open beach, continue to several caves, then finish with the most visually distinctive cave. After the Blue Cave, the boat returns to the starting point.

Captain Ivan and the value of a private group

The strongest personal element of this tour is Captain Ivan. He is described as polite, punctual, professional, and attentive, with particular praise for his handling of transport and changing sea conditions.

That matters more than it may sound. A four-hour route leaves little room for confusion. You want a captain who can get the boat moving efficiently, explain where you are going, and alter the course if choppy water makes a planned route less comfortable.

The private format also makes the day easier to shape around your group. You are not sharing the boat with unrelated parties, and a group of up to six can stay together without the awkwardness of a large excursion. You may have more time to swim at one stop and less at another, but the exact flexibility is something to confirm with the operator rather than assume.

The boat has been described as clean and comfortable. That is valuable on a compact trip because you spend a meaningful part of the four hours aboard. You are not paying only for the cave stops. You are also paying for the direct ride between islands, fuel, captain, equipment, and the privacy of the boat.

Is $386.05 a fair price for six people?

The listed price is $386.05 per group of up to six, not per person. If six people fill the boat, that works out to roughly $64 per person. For four hours of private transport, that is a reasonable group value, especially with fuel, pickup and drop-off, snorkeling equipment, soft drinks, water, and sandwiches included.

The calculation changes for smaller groups. Two people would effectively pay about $193 each, so this experience makes the most financial sense for a family or group of friends. A larger shared cruise may cost less per person, but it will not offer the same private setting or route flexibility.

The included food is practical rather than elaborate. Think of the sandwich as a useful break between swims, not a full Croatian meal. Beach bars and restaurants at Sunj give you another option, though anything purchased there is separate.

The price is easiest to justify if you value three things: a private boat, a captain who can respond to sea conditions, and a compact route that combines beach time with two cave areas. If you mainly want one quick look at a cave and do not care about privacy, a cheaper shared trip may suit you better.

Who will enjoy this outing most?

I would recommend this tour to people who want an active half-day on the water without giving up the rest of their Dubrovnik day. Four hours is long enough to feel like a real excursion and short enough to leave time for dinner, sightseeing, or a quiet afternoon back in town.

It suits:

• Groups of friends who can share the fixed price
• Families who prefer shallow water and a private boat
• Couples willing to pay more for privacy
• Confident swimmers interested in cave access
• Anyone who wants beach sand as well as rocky island scenery
• Visitors who value a flexible captain and direct transport

It is less suitable if you dislike speedboats, want a slow all-day island visit, or prefer dry sightseeing. You also need to be comfortable with swimming at the cave stops. The tour provides flotation aids, but the Blue Cave experience is based on entering the water.

The service information says most people can participate, service animals are allowed, and the meeting point is near public transportation. It does not provide detailed accessibility information for the boat, beach, or cave entrances, so contact Dubrovnik Boat directly if you need step-free access or have mobility concerns.

Weather, timing, and what to pack

Good weather is required for this trip. If poor conditions cancel the outing, you are offered another date or a full refund. That policy is reassuring, but it also tells you not to build an unmovable chain of plans around the boat trip.

Pack lightly. You need swimwear, sunscreen, a hat, and a towel. Since towels are not supplied, bringing one is essential. A waterproof pouch for your phone may also be useful, but the supplied information does not confirm storage arrangements, so keep valuable items to a minimum.

The four-hour duration is approximate. Boat speed, sea conditions, and the time your group spends swimming can affect the pace. The published plan allows about an hour at Sunj, an hour around the green caves, and an hour at the Blue Cave, leaving the remaining time for travel and transitions.

Captain Ivan has adjusted routes in rough water, which is a good sign for practical judgment. It does not mean the trip runs in every condition. If the forecast looks doubtful, check the departure status rather than assuming the boat will go.

Free cancellation is available until 24 hours before the start time for a full refund. Changes or cancellations inside that 24-hour window are not refunded, and the cut-off follows local time. A minimum number of participants may also apply, though this is a private activity for your own group.

Should you book this private Elaphiti Islands trip?

Book it if you want a short, private boat day with a clear plan: Sunj Beach for sand and shallow water, Kolocep’s green caves for swimming, and the Blue Cave for the main visual payoff. The arrangement is especially good for up to six people who can split the group price.

I would pause if you are looking for a long, unhurried island stay or a fully dry sightseeing tour. The Blue Cave requires swimming, towels are not included, and natural conditions can affect the cave’s blue glow.

For the best value, fill the boat with friends or family, confirm pickup at Lapadska obala 28 or the nearest suitable marina, and bring your own towel. With those points settled, this is a practical way to trade Dubrovnik’s crowds for clear water, pine-backed sand, and a few memorable hours around Kolocep.

FAQ

Where does the tour start?

The meeting point is Lapadska obala 28, 20000 Dubrovnik, Croatia.

Where does the tour finish?

The activity ends back at the meeting point.

How long does the tour last?

The tour lasts approximately four hours.

How many people can join the private tour?

The price covers one private group of up to six people.

Is pickup available?

Yes. Pickup and drop-off are offered. If your lodging is outside the normal pickup area, contact the provider to confirm the closest suitable pickup point.

What is included in the price?

The tour includes snorkeling equipment, floating devices or life vests, sandwiches, Coca-Cola, Fanta, juice, bottled water, pickup and drop-off, and the fuel surcharge.

Are towels provided?

No. You need to bring your own towel.

Can I cancel for a full refund?

Yes, if you cancel at least 24 hours before the experience start time. Cancellations within 24 hours are not refunded.

What happens if bad weather cancels the tour?

You will be offered a different date or a full refund. The tour requires good weather to operate.