Dubrovnik: Blue Cave, Green Cave & Sunj Beach Speedboat Tour

The best part of this Dubrovnik boat trip is not simply reaching the caves. It is getting there fast, before the water fills with boats, then slipping into the glowing Blue Cave and swimming through Koločep’s clear coves. The early departure matters here. Several guides, including Toni, Luka, and Dominik, have timed the run so groups reach the first cave before the main crowd.

I like the mix of active cave swimming and easy boat time, and I like that the final stop gives you 100 minutes at sandy Sunj Beach rather than sending you straight back to town. The catch is simple: this is a swimming tour, not a sightseeing cruise from a dry seat. You need to be comfortable in open water, and some people will wish for more time at the beach.

Key points to know before you book

• Blue Cave before the crowds: An early start can leave you with quieter access and better light inside the cave.
• Three Green Caves on Koločep: You get a second cave stop for swimming, snorkeling, and photos, not just a quick look from the boat.
• Sunj Beach has real sand: The 100-minute stop is your chance to swim, eat, or walk on Lopud.
• Small groups and named skippers: Toni, Antonio, Luka, and Dominik are among the guides praised for clear safety advice and good timing.
• Drinks and gear are included: Expect water, beer, white wine, snorkeling equipment, and life vests, but bring food money.
• Best for confident swimmers: Non-swimmers are not suitable for this outing, even though life vests and floats are available.

Why this half-day speedboat trip works

Dubrovnik’s old town can keep you busy with stone streets and crowded viewpoints, but the Elaphiti Islands show you a different side of the area. From the speedboat, you trade city walls for open Adriatic water, low green islands, rocky shorelines, and small beaches.

At $73 per person, this is not the cheapest way to spend a morning or afternoon. Still, the price covers a fast boat, an English-speaking skipper, life vest, snorkeling gear, and drinks. You also visit three separate cave areas and get a long beach stop. I consider that good value if you want swimming and scenery in one compact outing.

The tour lasts about two to four hours depending on the departure and operating plan. The listed route includes roughly 20 minutes to the first cave, 40 minutes at the Blue Cave, 10 minutes to the Green Caves, 40 minutes there, another 10 minutes to Lopud, 100 minutes at Sunj Beach, and about 30 minutes back. That adds up to a busy half day, with enough time at each stop to do more than take one photograph.

You meet the boat near Lapadska obala in Dubrovnik, though the exact meeting point can depend on the option you book. Check the confirmation carefully. Hotel pickup and return are not included, and large luggage is not allowed.

The fast run from Dubrovnik to Koločep

The boat ride begins with the part many people secretly want most: speed. You leave the Dubrovnik waterfront, feel the wind, and cross toward Koločep. Music plays on board, and the crew offers water and other drinks during the trip.

A speedboat makes this route feel like an outing rather than a transfer. You cover the water quickly, but the ride can be lively, especially when the boat meets waves. If you prefer a quiet, slow cruise, this may not be your ideal format. If you like the motion and want to cover several stops in a short time, it makes good sense.

Your skipper gives safety instructions before the swimming begins. Pay attention. The cave entrances can be tight, and the guides explain the best way to enter and leave. Several skippers, including Antonio and Luka, have been singled out for making those instructions clear and helping less confident swimmers manage the cave stops.

Bring a towel and swimwear. A waterproof phone case or camera is useful if you have one, but protect your phone carefully. One person reported water damage to a phone, which is a good reminder that the Adriatic is not forgiving to electronics.

Blue Cave: the trip’s main visual moment

The Blue Cave on Koločep is formed by a low entrance and sunlight passing into the cave, where the water takes on a strong blue glow. The sand below helps reflect the light. The effect changes with the sun and water conditions, so the cave can look different from one visit to the next.

You do not simply view it from the deck. This tour is built around swimming into the cave. That makes the experience more memorable, but it also sets the main requirement: you need to swim confidently enough to enter and leave the cave in open water.

The first stop lasts about 40 minutes. That gives you time to swim, take photographs, use the provided snorkeling equipment, and look beneath the surface. Some guests simply float or sit on the boat while others head into the cave. Life vests and pool noodles can help, but they do not turn the tour into a non-swimmer activity.

The timing is especially important at this stop. The guides often leave promptly, and the 8 a.m. departure is repeatedly recommended for quieter conditions. Arriving before the larger groups can mean a calmer entrance, less waiting, and a better chance to enjoy the blue light without a line of swimmers around you.

The water may feel cool in the morning, particularly outside the hottest summer period. That is a small tradeoff for the quieter visit. If you dislike cold water, you can still enjoy the boat and views, but the main attraction will be less rewarding if you do not get in.

Three Green Caves for a second swim

After the Blue Cave, the boat makes a short run of about 10 minutes to the Three Green Caves, also on Koločep. This stop has a different feel. Instead of one signature blue-lit chamber, you get a group of natural openings and clear water suited to swimming and snorkeling.

You have about 40 minutes here. Use it to look at fish beneath the boat, swim through the openings, or simply enjoy the color of the water from the surface. One particularly nice touch is the way some skippers feed fish near the boat, bringing them closer to the surface for a better look.

The Green Caves are also where the tour feels less like a checklist. You are not rushed through a single photo stop. You can choose your pace, provided you follow the guide’s instructions and remain within the safe swimming area.

There is a practical limit, though. The caves are natural spaces, not a polished attraction with changing rooms or walkways. You enter from the boat, and the boat is your base for towels, drinks, and gear. Keep your belongings secure and avoid bringing anything you do not want wet.

The snorkeling equipment is included, though it may not always be handed out in exactly the same way. One useful tip is to confirm that you have both a mask and snorkel before getting into the water. The crew can also provide a life vest, and this is worth requesting if you are an average swimmer rather than a strong one.

Sunj Beach gives the tour a proper finish

From Koločep, the boat continues for about 10 minutes to Sunj Beach on Lopud. This is the least rugged stop and the one that gives the outing a chance to slow down.

Sunj is known for its sandy shore, a welcome change from the rocky swimming spots around Dubrovnik. You have roughly 100 minutes here, enough time to swim, walk along the beach, find a drink, or eat at a beach bar or nearby restaurant. The wooded area behind the beach adds shade and gives you somewhere to pause after the cave swims.

The beach stop is not just filler. If you have spent the morning jumping into salt water, the chance to dry off and sit down matters. The guide may suggest a particular bar or hillside restaurant, and some food options include local dishes, grilled food, and casual beach fare. Food is not included, so budget separately for lunch or snacks.

Some people will find 100 minutes just right. Others will want another half hour, especially on a sunny afternoon. That is the main timing complaint I would keep in mind. If your priority is a long beach session, book a beach-focused trip instead. If you want the caves first and the beach as a comfortable finale, the schedule is well judged.

Sunj can also become busier later in the day. Once again, the early departure has an advantage. You may reach the beach before the busiest period and have a better choice of seating. Some loungers may be available with a drink purchase, but the exact arrangement can vary.

The guides make a practical difference

The boat and scenery do much of the work, but the skipper affects the day. Toni is praised for a friendly style, clear cave instructions, and a knack for avoiding the main crowds. Antonio is described as lively and welcoming, while Luka receives praise for music, local tips, and finding good spots. Dominik is often noted for safe driving, useful advice, and a calm hand on the boat.

That does not mean you can choose your guide unless your booking option allows it. It does tell you what to look for: a skipper who gives proper instructions, watches the water, and manages the clock well.

The strongest guides do more than drive. They explain how to approach the cave, point out where to enter, suggest how to use the light, and help the group feel at ease. The boat may carry a small group, sometimes around 10 people or split across two boats. That size gives you a more social outing without the feel of a large excursion vessel.

Music and drinks add to the relaxed mood. Included drinks can include water, beer, and white wine. Drink sensibly, especially before swimming and in strong sun. The tour is easygoing, but the water activities still require good judgment.

Who should book this Dubrovnik cave tour?

I would choose this trip if you want to see the coast beyond Dubrovnik without giving up most of a day. It suits couples, friends, solo visitors who enjoy joining a small group, and families with older children who can swim confidently.

It is also a good choice if you like variety. In a few hours, you get a fast boat ride, two cave areas, snorkeling, open-water swimming, music, drinks, and a sandy beach. You are not spending the entire outing on one boat or at one beach.

I would hesitate if you are a non-swimmer, dislike boats moving quickly, or want a dry sightseeing trip. Children under two and people over 95 are not considered suitable for the activity. The operator also warns that poor weather can lead to cancellation and a refund, so keep some flexibility in your schedule.

The tour is conducted in English. Private and small-group options are available, but the meeting point can vary by booking. Free cancellation is available up to 24 hours before departure, and you can reserve now and pay later, useful if the weather forecast is uncertain.

Is $73 a fair price?

For Dubrovnik, $73 is a reasonable price when you use the included equipment and time on the water. A separate boat ride, cave visit, snorkeling rental, and beach transfer could easily add up, while this outing combines them in one route.

The value depends on your priorities. You are paying for access and timing as much as for transport. Reaching the Blue Cave early can change the whole experience, and a skilled skipper can make the cave entrances safer and less confusing.

Food is extra, as are any beach purchases. Hotel transportation is also not included. Add those costs before comparing this with a longer excursion. Still, I think the half-day format is one of the tour’s strengths. You get a substantial coastal experience and still have time for Dubrovnik’s old town, dinner, or another activity.

Should you book the Blue Cave and Sunj Beach tour?

Book it if you want an active, social half day with strong scenery and several chances to swim. Choose an early departure if possible. The Blue Cave is the star, but the Three Green Caves and sandy Sunj Beach keep the outing from feeling like a one-stop photo trip.

Skip it if you are not comfortable in open water or if your perfect beach day means staying ashore for several hours. For everyone else, the combination of fast boat travel, clear water, cave swimming, included gear, and a 100-minute Lopud stop gives you a lot for the price.

FAQ

Where does the Dubrovnik speedboat tour start?

The listed starting point is near Lapadska obala 4 in Dubrovnik. The exact meeting point may vary depending on the option you book, so check your booking details before setting out.

How long does the Blue Cave and Sunj Beach tour last?

The activity is listed as lasting between two and four hours. The planned route includes time at the Blue Cave, Three Green Caves, and Sunj Beach, with the beach stop lasting about 100 minutes.

What is included in the price?

The tour includes a life vest, snorkeling gear, water, and drinks such as white wine and beer. Food, hotel pickup, and hotel drop-off are not included.

Do I need to be a strong swimmer?

You need to be comfortable swimming in open water because the tour includes swimming into the caves. Non-swimmers are not suitable for the activity. Life vests and pool noodles may be available, and you can ask for a life jacket if you are an average swimmer.

Can children join the tour?

Children under two years old are not suitable for this activity. The information provided does not give a general maximum child age, but every participant should be able to follow safety instructions and manage the swimming portions.

What should I bring?

Bring swimwear and a towel. Oversize luggage is not allowed. A waterproof phone case may be useful if you plan to take photographs in or near the water.

What happens if the weather is bad?

The provider may cancel the tour in poor weather. If that happens, you will be contacted and refunded. You can also cancel up to 24 hours in advance for a full refund.