Dubrovnik: Blue & Green Caves Private Boat Tour with Drinks

The best part of this four-hour speedboat trip is the chance to swim into Kolocep Island’s Blue and Green Caves rather than simply view them from a boat. Your guide can lead you through the tighter cave entrances, and the ride between Dubrovnik, Kolocep, and Lopud gives you a fast, breezy taste of the coast.

I like the small-group feel and the generous drink policy. Beer, local rakia, water, and juices are available on board, and guides such as Mario, Robert, Duje, and Drago have earned praise for making nervous swimmers feel safe. The main drawback is that the Blue Cave can be crowded, and Sunj Beach often gets less time than you may want.

Key points to know before you book

• Swim inside the Blue Cave: You enter from the sea, so swimming ability matters, though life jackets and flotation aids are available.
• Three cave stops: The route includes the Blue Cave, Green Cave, and Three Green Caves around Kolocep, with time for swimming and snorkeling.
• A proper sandy beach stop: Sunj Beach on Lopud is the final long stop and one of the few sandy beaches near Dubrovnik.
• Private speedboat setting: You avoid the feel of a large excursion boat, with private-group arrangements available.
• Drinks are included: Help yourself to beer, rakia, water, and juices throughout the ride.
• Bring a towel and cash: You need swimwear and a towel, and the beach bar may accept cash only.

Why this boat tour works well from Dubrovnik

Dubrovnik is famous for its old stone walls, but the sea is where the city feels most open and refreshing. This tour gets you away from the harbor quickly, past the Franjo Tudman Bridge and Grebeni Lighthouse, and into the clear water around the Elaphiti Islands.

At $73 per person, the price is reasonable for a private speedboat outing that includes a guide, snorkeling equipment, a GoPro action camera, and drinks. You are not paying only for transport. You are paying for access to several swimming spots, a guide who can help you enter the caves, and the flexibility of a smaller boat.

Still, the value depends on what you want. If you prefer quiet sightseeing from a shaded deck, the swimming focus may feel demanding. If you want a relaxed boat ride with long time at one beach, this tour moves around more than you might expect. It is best for people who want several coastal experiences in one half-day.

From Gruz harbor to the open water

The meeting point is on the pier across from Gruz Market, near a construction site. There is no hotel pickup or drop-off, so allow time to reach Gruz on your own and avoid bringing luggage or large bags.

The speedboat ride is part of the fun. You pass under or near the Franjo Tudman Bridge, then cruise by Grebeni Lighthouse, with scenic views along the way. The boat gives you a much closer connection to the water than a standard sightseeing coach, but a fast boat also means more wind and spray. Keep your towel and phone secure.

The guides often add a friendly, informal mood. Mario is frequently praised for getting everyone involved, while Duje is noted for calm, professional boat handling and useful information about the islands. Robert has also been praised for guiding people through trickier cave passages. The exact guide depends on the departure, but the experience relies heavily on having a captain who is both a safe driver and an active host.

Swimming into the Blue Cave on Kolocep

The Blue Cave is the headline stop. Once the boat anchors, you receive snorkeling equipment and make your way into the cave from the sea. The light inside can create a blue glow, but do not expect the perfectly saturated color shown in every online photo.

Conditions make a real difference. Sunlight, water clarity, tide, and the number of boats nearby can change the effect. In busy summer periods, several groups may be at the entrance, and the space can feel tight or slightly claustrophobic. Early or later departures may help with the mood, but no departure guarantees an empty cave.

You should be comfortable in open water before booking. The route requires swimming for some sections, and one person noted that the distance to the caves is worth knowing in advance, even for a strong swimmer. Life jackets are available, and guides can assist non-swimmers, but this is not a dry sightseeing trip.

A flotation aid can make the stop much easier. Ask for a life jacket or pool noodle if you need extra support, and tell the guide before entering the water. Guides such as Mario and Robert have been praised for swimming with the group and helping people through the tighter sections.

The included GoPro is a useful extra. You can record the cave swim without risking your own phone, then receive a link for the images and video. Bring your own waterproof phone case if you have one, but do not count on every departure offering exactly the same camera setup. One past trip was specifically criticized for not providing the advertised GoPro and cliff jumping, so it is sensible to confirm these points when you meet the crew.

Green Caves and the chance to jump

After the Blue Cave, the boat continues toward the Green Cave and the Three Green Caves around Kolocep. These stops are less about one dramatic lighting effect and more about swimming through clear water, looking into dark openings, and seeing the island from sea level.

The schedule allows roughly 30 minutes at one Green Cave stop and about 45 minutes around the Three Green Caves. That is enough time to swim, snorkel, take photos, and follow the guide into passages that may be awkward to enter alone.

Cliff jumping may be offered during this part of the outing. It is optional, and you should only do it if the guide confirms the spot is safe and you feel comfortable. The appeal is simple: warm water, a rocky ledge, and a bit of James Bond-style drama. The practical warning is equally simple: do not jump just because others do.

These cave stops can be the strongest part of the trip if the Blue Cave is crowded. You have more room to move, and the green-tinted rock formations can feel more natural and less organized than the main attraction. Snorkeling visibility depends on the day, so think of the gear as a useful option rather than a promise of a major underwater sight.

Sunj Beach gives the tour a change of pace

The final major stop is Sunj Beach on Lopud, described as the only sandy beach in the region. After the rocky cave entrances and repeated swims, the sand feels like a welcome change.

You get about an hour and a half here, though several people wished for more beach time. You can swim in the warm turquoise water, relax on the sand, or use the beach facilities. Food is not included, but you can order lunch or drinks at the beach bar.

A useful local tip is to ask about a sun lounger and umbrella when buying a drink. Several past visitors found that one purchase could provide access to a lounger, though arrangements may vary. Bring cash, since the beach bar has been reported to accept cash only.

You may also rent a golf cart to see more of Lopud, including the medieval monastery and botanical garden. Those sights are free to enter, but the rental itself is not included. With only 90 minutes at the beach, you will need to choose between swimming, lunch, a lounger, and island exploring. I would pick one or two, not attempt everything.

The boat, drinks, and group atmosphere

The boat is a major reason to choose this trip over a standard island excursion. A speedboat lets you cover the distance quickly and gives you a more personal setting. Past departures used newer, comfortable boats, and the private format can be arranged for your own group.

Do not assume private means completely secluded. A private group booking gives your party its own arrangement, but group size and boat setup can vary. One group had nine people, while other departures felt smaller. Ask the operator about the maximum size if space is important to you.

The self-service drink policy is unusually generous for a half-day activity. Beer, local brandy, water, and juices are included, and you can help yourself while on board. This adds real value at the $73 price, especially since a few drinks at a Dubrovnik waterfront venue can quickly become expensive.

Drink sensibly. You still need to swim, climb a boat ladder, and move around on a wet deck. One practical complaint concerned a slippery metal ladder, so use the handholds and take your time getting back on board. The crew can help, but wet feet and speedboat movement require care.

Music may also be part of the mood. Some departures allow passengers to connect a phone or suggest music, creating a casual party feel. That will appeal to couples, friends, and celebratory groups more than to people hoping for a quiet naturalist-style cruise.

Timing matters more than you might expect

The tour lasts four hours, with the listed route allowing about 50 minutes at the Blue Cave, 30 minutes at a Green Cave stop, 45 minutes around the Three Green Caves, and about 90 minutes at Sunj Beach. The boat ride itself fills the remaining time.

A morning trip may offer a fresher start and, depending on conditions, a better chance of avoiding some crowds. An afternoon departure can be especially attractive in late season. One afternoon group enjoyed sunset colors during the return to Dubrovnik, but sunset timing changes with the month.

Do not book this expecting every stop to run like a train timetable. Sea conditions, crowding, swimming ability within the group, and the captain’s judgment can affect the pace. The good guides spend more time where conditions are safe and enjoyable, rather than forcing a rigid schedule.

The sea can also be choppy. One past departure still enjoyed the trip but found swimming harder because of the waves. If you are prone to motion sickness, the speedboat and open-water swimming are worth considering before you reserve.

Who should book this experience?

I would choose this tour if you want to combine:

• Fast coastal sightseeing
• Several cave visits
• Open-water swimming
• A sandy beach
• An informal boat atmosphere
• Included drinks
• A private or small-group setting

It suits confident swimmers, couples, friends, families with older children, and anyone who wants an active half-day away from Dubrovnik’s old town. It also works well for solo participants, since the guide-led format and social boat setting make it easy to join in.

I would hesitate if you do not swim, dislike getting wet, or want a slow beach day. You can use a life jacket, and guides can help non-swimmers, but much of the appeal comes from entering the caves by water. The Blue Cave may also disappoint if you expect the exact color seen in polished social media photographs.

Book with realistic expectations. The caves are beautiful, but they are natural sites affected by weather, sunlight, and crowds. The overall experience is stronger than any single cave stop because it combines the ride, the swims, the guides, Sunj Beach, and the easygoing boat atmosphere.

Cancellation is flexible up to 24 hours before departure for a full refund, and you can reserve now and pay later. The tour is conducted in English, and starting times vary by availability.

FAQ

Where does the tour meet in Dubrovnik?

The meeting point is on the pier across from Gruz Market, near a construction site. Hotel pickup and drop-off are not included.

How long does the boat tour last?

The experience lasts four hours and returns to the original meeting point at Deck & Cheers.

Is the tour private?

A private group option is available, and the tour uses a private speedboat. Group size can vary, so confirm the arrangement when booking if privacy is important to you.

Do I need to be able to swim?

Swimming is required for some parts of the tour, including entering the caves. Life jackets are available, and guides can assist non-swimmers, but you should tell the crew about your comfort level before entering the water.

What drinks are included?

You can help yourself to beer, local rakia brandy, water, and juices on the boat. Food is not included.

Is snorkeling equipment provided?

Yes. Snorkeling gear is included, and a GoPro action camera is provided for use during the tour according to the activity details.

What should I bring?

Bring swimwear and a towel. Large bags and luggage are not allowed on the boat.

Can I cancel the booking?

You can cancel up to 24 hours in advance for a full refund. The reserve-now, pay-later option is also available.

Should you book the Blue and Green Caves tour?

Book it if swimming through sea caves sounds more appealing than another afternoon in town. The included drinks, GoPro, snorkeling gear, fast boat, and several swim stops make $73 good value, especially for a private group.

Go in knowing that the Blue Cave may be crowded, the water can be choppy, and Sunj Beach time may feel short. Bring swimwear, a towel, cash for the beach bar, and a willingness to get wet. If you want an active, social slice of Dubrovnik’s coast, this is a strong choice.