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

The Adriatic is best seen at speed. This Dubrovnik boat trip links the Blue Cave, the Three Green Caves, and sandy Sunj Beach in roughly half a day, giving you swimming, snorkeling, music, drinks, and island scenery without consuming your whole day. I especially like the early departures, which can get you to the caves before the larger boats arrive, and the friendly skippers, including Toni, Antonio, Dominic, and Luka, who regularly earn praise for clear safety advice and good humor. The main consideration is simple: this is a swimming tour, not a sightseeing cruise, and the cave visits require you to enter the water.

I also like the balance of the stops. You get the thrill of a fast ride, quiet time in clear water, and a proper stretch at Sunj Beach on Lopud. The 100-minute beach stop gives you time to swim, walk, eat, or buy a drink, though a few people would happily trade some of the boat time for another half-hour on the sand.

At a glance

• The early start matters: The first boat at the Blue Cave may have the place nearly to itself before other speedboats arrive.
• You swim into the caves: The Blue Cave and Three Green Caves are experienced from the water, so confident swimmers will get the most from the trip.
• Sunj Beach is the final pause: You have about 100 minutes on Lopud’s sandy beach, with bars, food, and a wooded area nearby.
• Small groups make a difference: Private and small-group options are available, and boats described in recent feedback carried around 10 people comfortably.
• Drinks come aboard: Water, beer, and white wine are included, along with snorkeling equipment and life vests.
• The price is fair for a half-day: At $73 per person, you are paying for speedboat transport, three water stops, equipment, drinks, and a guide rather than just a ride to one beach.

Why this is a good way to leave Dubrovnik

Dubrovnik’s Old Town can fill your day with stone lanes, walls, stairs, and polished sightseeing. This trip gives you a very different view of Dalmatia, with the city receding behind you as the speedboat heads toward the Elaphiti Islands.

The boat ride itself is part of the entertainment. You feel the wind, skim across open water, and sometimes bounce over the waves. Music plays on board, and drinks are available while you sit back between stops. It is lively, but the experience is not built around loud partying. The best guides seem to read the group well, offering conversation and local tips when people want them, then letting everyone enjoy the ride.

The route uses Koločep Island for the cave stops and Lopud for the beach. These islands are close enough to reach by speedboat, yet they feel far removed from Dubrovnik’s urban waterfront. The short crossings also keep the day moving. According to the planned route, the first ride takes about 20 minutes, the next crossings about 10 minutes each, and the return to Dubrovnik about 30 minutes.

The 8 a.m. advantage

The start time varies by booking, but the early morning departure is the smart choice if you have flexibility. Several people specifically praised guides for leaving promptly and reaching the Blue Cave before the main rush of boats.

That timing improves two things. First, you may have a quieter swim inside the cave. Second, the low morning light can make the Blue Cave’s color especially striking. The effect comes from sunlight entering through an opening below the water, then reflecting off the pale sandy bottom. Inside, the water can appear intensely blue, with the color changing as you move through the entrance.

You should not count on complete solitude. Weather, boat schedules, and the day’s traffic all affect the order and timing. Still, an early departure gives your guide a better chance of getting ahead of the crowd. It also leaves much of the afternoon free for Dubrovnik, a long lunch, or a slower walk around town.

Entering the Blue Cave on Koločep

After the first speedboat ride, you stop at the Blue Cave for about 40 minutes. This is a water visit, not a dry cave tour. You put on your mask, listen to the skipper’s instructions, and swim from the boat toward the entrance.

The cave’s appeal is visual rather than archaeological. The light, the dark rock, and the blue water create a short but memorable scene. You can take photographs from the boat or from the water, but a waterproof phone case or action camera is useful if you want pictures inside. One person reported water damage to a phone, so treat your electronics with care. A phone in a dry pouch is a much better idea than trusting a bare handset.

The water is clear enough for snorkeling, and the equipment supplied includes masks and snorkels, though one person found the gear distribution less than perfectly organized. Pool noodles or similar floats may also be available, but do not treat them as a substitute for swimming ability.

The skipper’s safety briefing matters here. The entrance can involve a tight swim, and the boat team explains the best way to get in and out. If you are a capable but cautious swimmer, ask for a life vest before entering. The trip specifically excludes non-swimmers, and that rule is sensible.

Three Green Caves and clear-water snorkeling

A short ride takes you to the Three Green Caves, also on Koločep. This stop lasts about 40 minutes and gives you another chance to swim, snorkel, and look below the surface.

The Green Caves feel different from the Blue Cave. Here, the main pleasure is the open swim and the clear water around the rock formations. You can look for small fish and enjoy the changing shades of green and blue beneath the boat. The guides sometimes feed fish near the surface, which can make the snorkeling more engaging for first-timers.

The water is not guaranteed to feel warm, especially on an early departure. One family found the morning water cold, even though the cave experience remained a favorite part of the trip. Pack a towel and expect to climb back aboard wet. You may also want a light layer for the ride, since speedboats feel cooler when moving quickly.

This is where the tour’s format becomes clear. The caves are not simply photo stops viewed from a comfortable seat. You have to swim to enjoy their best angles. That is a strength for confident swimmers and a real limitation for anyone who prefers to remain dry.

Sunj Beach on Lopud: the relaxed finish

After the caves, the boat heads to Sunj Beach on Lopud. You get about 100 minutes here, which is enough time to change the pace completely.

Sunj is sandy, a welcome feature in a country where many swimming spots are rocky or pebbled. You can swim in the shallower water, lie in the sun, walk along the beach, or find food and a drink. There are beach bars and restaurants, including a bar in the wooded area above or near the beach. Guides such as Toni have been praised for pointing out good places to eat and helping people make the most of the stop.

Food is not included, so bring money if you want lunch, street food, a barbecue-style meal, or a regional dish. Drinks and beach services may carry their own charges. One useful detail from the practical experience of the tour is that some loungers may be available when you buy a drink, but do not assume every seat or service is included in the tour price.

The time here is generous by speedboat-tour standards, yet it may still feel short if you want a long lunch and a proper beach afternoon. If Sunj is your main reason for booking, a separate beach day would give you more freedom. If you see it as the calm ending to a water-focused morning, the 100 minutes works well.

The boat, guides, and group feel

The boat is the main transport and the main attraction. You sit close to the water, feel every turn more than you would on a large ferry, and get a lively ride between islands. Several people described the boats as comfortable, clean, or new, with enough space for a small group.

Group size can vary because private and small-group options are offered. A boat carrying around 10 people was described as spacious, and another outing used two speedboats for a larger party. That is a useful middle ground: more social than a private charter, but far more personal than a large excursion boat.

The individual skipper can shape the whole day. Toni and Antonio are often praised for friendly energy, jokes, and local advice. Dominic is repeatedly described as a strong boatman and a fun guide. Luka is praised for a good playlist, clear instructions, and finding the best spots. Names and staffing can change, so book for the route and format rather than expecting a particular captain.

The strongest practical quality is the safety guidance. The guides explain how to enter and leave the caves, where to swim, and how to use the equipment. They also seem willing to help with small problems, such as retrieving a hat blown into the water or helping someone find a way home after a phone problem.

What the $73 price really buys you

At $73 per person, this is not the cheapest way to reach the Elaphiti Islands. It is also more than a simple beach transfer. The price includes the speedboat ride, guide, life vest, snorkeling gear, and water, beer, and white wine. You also receive stops at the Blue Cave, Three Green Caves, and Sunj Beach.

That package makes reasonable value if you want several activities in one outing. Booking separate transport to the islands, organizing cave access, finding snorkeling equipment, and arranging your return would take more effort and would not necessarily cost less.

The value is strongest for people who want an active half-day rather than a full-day cruise. You get a concentrated route with little dead time, then return to Dubrovnik after about two to four hours depending on the departure and schedule. The detailed route adds up to roughly three and a half hours, including the stops and return ride.

Food is extra, and hotel pickup and drop-off are not included. You need to reach the pier at the meeting point given for your booking. The departure point is listed around Lapadska obala 4, but the exact meeting point can vary, so check your confirmation rather than guessing.

Who should book this speedboat tour?

I would choose this tour if you:

• Want to swim in caves rather than only look at them from a boat
• Like fast rides and open-water scenery
• Have one free morning or afternoon in Dubrovnik
• Prefer a small group to a large sightseeing vessel
• Want drinks and snorkeling equipment included
• Like mixing active stops with a proper beach break
• Are comfortable spending much of the outing in swimwear

It is less suitable if you are a non-swimmer, dislike speedboats, or want a slow, quiet cruise. Children under two are not accepted, and the experience is not suitable for people over 95. You should also skip it if you are hoping for a long, unhurried afternoon at Sunj Beach.

The tour can still work for an average swimmer if you ask for a life vest and follow the guide’s instructions. Several people who did not consider themselves strong swimmers managed the cave entrances, but you should be honest about your ability before getting in the water.

What to bring and how to prepare

Bring swimwear and a towel. Wear something that can handle spray, and keep phones and cameras in waterproof protection. Oversize luggage is not allowed, so arrive with only the day’s essentials.

Ask for your snorkeling gear before the boat leaves or before the first stop. Masks and snorkels are included, but equipment may not always be handed out in the same order for everyone. If you need a life vest, say so early.

Do not plan a heavy meal immediately before departure. The ride can be fast and bumpy, and the day includes swimming. You can buy food at Sunj Beach, but it is not included in the $73 price.

Bad weather can cancel the trip. If that happens, the provider contacts you and issues a refund. You can also cancel up to 24 hours in advance for a full refund, and reserve now while paying later, which helps if your Dubrovnik schedule is still shifting.

Is the Blue Cave and Sunj Beach tour worth booking?

Yes, if you want a high-energy half-day on the water and you are happy to swim into the caves. The strongest combination is the early departure, the small-group feel, the clear instructions from guides such as Toni, Antonio, Dominic, or Luka, and the variety of stops. You get blue and green cave water, snorkeling, music, drinks, a sandy beach, and a fast ride back to Dubrovnik.

I would book the earliest available start, bring waterproof phone protection, and keep your luggage small. Choose another outing if your priority is a long beach day or a dry sightseeing cruise. For most confident swimmers with limited time in Dubrovnik, this is a well-priced way to see the coast from the water rather than from another stone lookout.

FAQ

How long does the Dubrovnik speedboat tour last?

The advertised duration is two to four hours. The planned route, including the cave stops, Sunj Beach, and the return ride, takes roughly three and a half hours.

What islands does the tour visit?

The route visits Koločep Island for the Blue Cave and Three Green Caves, then Lopud Island for Sunj Beach.

Can I swim inside the Blue Cave?

Yes. The Blue Cave visit involves swimming from the speedboat into the cave. The tour is not suitable for non-swimmers.

Is snorkeling equipment included?

Yes. Snorkeling gear and a life vest are included. Pool noodles may also be available, depending on the boat and crew.

Are drinks included?

Yes. Water, beer, and white wine are included. Food is not included.

Is hotel pickup and drop-off included?

No. You must meet the guide at the designated pier. The meeting and return point may vary according to the option booked, with Lapadska obala 4 listed for some departures.

What happens if bad weather cancels the tour?

The provider will contact you if bad weather makes the trip unsafe, and you will receive a refund. You can also cancel up to 24 hours before departure for a full refund.