Dubrovnik or Cavtat: Blue Cave & Elaphiti Islands Boat Tour

The real draw here is the chance to reach the Blue Cave by swimming, then glide through Koločep’s glowing blue and green sea chambers before spending a long break at Šunj Beach. It packs several of the Elaphiti Islands’ best water stops into one brisk half-day.

I like the small groups of up to 15 and the brand-new speedboats, which make the ride more comfortable than a crowded excursion boat. I also like the generous 1.5 hours at sandy Šunj, a rare treat in rocky-coast Croatia. The catch is that sea conditions can change the route, and one October departure stopped at Lopud’s harbor instead of Šunj.

Key points

• The Blue Cave is reached by swimming, so this tour suits confident swimmers best.
• Three Green Caves at Koločep offer more time in the water and good snorkeling.
• Šunj Beach gets the longest stop, with warm, shallow water and golden sand.
• Small groups and new speedboats make the 270-minute outing feel less cramped.
• Unlimited soft drinks and beer are included, but meals are not.
• The seasonal route changes: early spring includes Koločep and Lopud villages, while the warmer-season route usually includes the Green Caves and Šunj.

What the $71 boat tour really gives you

At $71 per person, this is not simply a boat ride with a quick photo stop. You are paying for about 270 minutes on the water, fuel, a small group, snorkeling equipment, unlimited soft drinks and beer, and visits to several islands and swimming sites.

I consider that fair value if you want a ready-made coastal outing without arranging separate boat transfers. The boat covers a lot of ground, and the included fuel charge matters because the route involves repeated runs between Dubrovnik, Koločep, Lopud, and the coast near the Old Town.

The price is less attractive if you mainly want a quiet beach day. A good portion of the tour is spent moving between stops, and the cave visits depend on your comfort in open water. You should also bring food, since meals are not included.

The outing receives a 4.4 rating from 32 bookings, with especially strong praise for the clean boat, chilled refreshments, punctual running, and memorable cave stops. That fits the design of the trip: it is active, social, and built around scenery rather than a formal island tour.

Starting from Dubrovnik or Cavtat

You have two possible starting areas listed for this trip: Obala and Veliki Muo. Check the exact meeting point tied to your booking, since the departure and return point can vary.

The opening speedboat ride lasts about 25 minutes. You then get a short cruise past Dubrovnik’s Old Town, with time for photographs and views from the water. This is a useful part of the trip because the city looks especially impressive from offshore, with its walls and rooftops gathered along the coast.

The schedule also includes another short speedboat run before Koločep. That tells you what sort of day this is. You are not staying in one bay. You are moving quickly between islands, with the boat ride itself forming part of the experience.

A small group helps here. With no more than 15 people, getting on and off the boat should be simpler than on a large vessel. One recent departure had 10 people, leaving plenty of room for a more relaxed ride. The boats are described as new, spacious, clean, and modern, which is important when you will spend several hours exposed to sun and spray.

Koločep’s Blue Cave: beautiful, but swim access only

The first major stop is the Blue Cave on Koločep, reached after a short speedboat ride. The effect comes from sunlight entering the cave and lighting the water below. You do not simply walk inside on a platform. You must swim into the cave.

That point deserves more attention than it often gets in a tour description. The Blue Cave is not suitable for non-swimmers, and the activity information specifically warns that access is only by swimming. You should be comfortable getting into open water, following the boat crew’s instructions, and making the short approach to the cave.

Snorkeling equipment is included, so you can look below the surface as the water takes on its blue glow. The stop lasts about 30 minutes, including free time, photographs, swimming, snorkeling, and refreshments. That is enough for a memorable visit, but not enough for a slow, private exploration.

Bring a towel and swimsuit already packed for quick access. A hat, sunscreen, and camera also belong in your day bag. Protect your phone carefully, since the best views are in the water and the boat stop is designed around getting wet.

A practical safety note: one booking review pointed out that there was no safety attendant and that swimmers had to take responsibility for themselves. The supplied equipment includes snorkeling gear, but the tour information does not promise a lifeguard. If your swimming is uncertain, use a life jacket if available and do not enter the cave simply because others do.

The Three Green Caves and the value of another swim

The boat then runs to the Three Green Caves on Koločep. These are smaller caverns with emerald-colored water, and the stop again lasts about 30 minutes.

I like this second cave visit because it gives the tour more than one visual trick. The Blue Cave is about the glowing blue interior. The Green Caves offer a different color and a more open series of swimming spots. You can snorkel, swim, take photographs, or stay aboard and enjoy the view if you prefer not to enter the water.

The repeated stops also mean this tour is best for people who want active time in the sea. If you dislike changing in and out of the water, or if you hoped for a mainly scenic cruise, the pace may feel busy. For confident swimmers, though, the two cave stops create a good rhythm: ride, swim, dry off, then ride again.

The guide speaks English, and welcome refreshments are available at the cave stops. Unlimited soft drinks and beer are included throughout the outing. That is a nice touch after swimming, though you should be sensible about alcohol before entering the water or snorkeling.

Lopud and Šunj Beach: the longest and gentlest stop

After Koločep, the boat heads toward Lopud. The main warm-season plan is a 1.5-hour stop at Šunj Beach, one of the few sandy beaches in this part of Croatia.

Šunj is a strong finish to the route. The golden sand is easier on bare feet than the rocky shore found at many Adriatic beaches, and the water is described as warm and shallow. That makes it the most relaxed swimming stop of the day. You can sunbathe, wade, swim, snorkel, or simply sit on the beach after the faster cave visits.

The time matters. Thirty minutes at a cave is enough for a swim, but 90 minutes lets you slow down. You might use the break for a swim and a short rest, though meals are still your responsibility. Bring your own food if you want lunch, or plan to buy something during the stop if available. The tour does not include a meal.

Lopud itself is known as a car-free island with a village, seaside cafés, and gardens. The stated warm-season itinerary centers on Šunj, but the broader tour description also highlights the village as a place to stroll. You should not assume you will have time for a full island walk, however. If the boat spends the scheduled 1.5 hours at the beach, most of that stop is best treated as beach time rather than a detailed Lopud visit.

This is also where the tour’s flexibility matters. In one October outing, the boat stopped at the harbor on the other side of Lopud instead of taking the group to Šunj. The group had 1.5 hours, but reaching the sandy beach required finding the island’s small golf carts, and the available time was not enough for a comfortable trip there and back after eating. The beach was visible from a distance on the return journey.

That does not mean every departure will miss Šunj. It does mean you should treat the beach as a planned highlight, not an absolute guarantee. The route can change with sailing conditions, time of year, and the operator’s decisions on the day.

Why the season changes the experience

The date of your trip matters more than you might expect. From April 1 to May 15, the stated route visits the Blue Cave, Koločep village, and Lopud village. From May 15 to October 31, it usually visits the Blue Cave, the Three Green Caves, and sandy Šunj Beach.

That creates two different versions of the outing. Early spring places more weight on villages and island scenery. The later route gives you more swimming and the long sandy-beach stop.

If Šunj is your main reason for booking, choose a date in the later season and still keep a little flexibility in your expectations. Rough seas can force a change at any time. The caves and beach may also be visited in a different order.

The seasonal split is useful when comparing this tour with other Dubrovnik boat trips. Do not book based only on the title. Read the operating dates and confirm the expected route for your day.

The boat ride and the Old Town views

The speedboat is not just transport between attractions. The route includes scenic runs along the coast, including a photo stop near Dubrovnik’s Old Town on the way out and another short stop near the city on the return.

You will feel the wind and spray, so secure hats, sunglasses, and loose items. The ride can be exhilarating, but people who prefer a calm, slow cruise may find the speedboat style less comfortable.

The new boats and small groups are among the outing’s most praised features. I would put those details high on your decision list. A clean, modern boat makes a real difference when you are wet, carrying towels, and sharing space with other swimmers.

The overall route takes around four and a half hours at its longest stated duration, even though the experience is also described as a four-hour tour. Allow the full 270 minutes, plus a little extra for getting to and from the meeting point. The schedule includes roughly 25 minutes out, several shorter transfers, three main stops, and the return run.

What to pack for a better day

Pack lightly, but pack for water.

• Swimsuit and towel
• Hat and sunscreen
• Camera or phone in secure waterproof protection
• Food if you do not plan to find something at Lopud or Šunj
• Dry clothes if you dislike sitting in swimwear during the ride

You do not need to bring snorkeling equipment, since it is included. Soft drinks and beer are also included without a stated limit. Pets and smoking are not allowed.

I would wear sandals or shoes that can handle a beach and boat deck, though the supplied information does not specify required footwear. Most important, keep your belongings secure during swimming. The Blue Cave is reached in the water, not from a dry landing.

Who should book this tour?

I would recommend it to confident swimmers who want a compact introduction to Koločep and Lopud. You get caves, snorkeling, open-water swimming, a sandy beach, and Dubrovnik views without giving up a full day.

It also suits couples, friends, and families with older children who are comfortable in the sea. The small-group format and unlimited drinks add comfort, while the speedboat keeps the route lively.

I would hesitate if you are a non-swimmer, use a wheelchair, or want a guaranteed visit to one particular beach. The activity is not suitable for wheelchair users or non-swimmers, and the route can change in rough seas. You may also prefer a slower island excursion if your priority is spending hours in a village rather than moving between water stops.

Should you book the Blue Cave and Elaphiti Islands tour?

Book it if you want a lively half-day on the Adriatic and you are happy to make swimming the center of the day. The best parts are clear: a modern small-group speedboat, the glowing Blue Cave, the Three Green Caves, and a long break at sandy Šunj when conditions allow.

Before paying, confirm the meeting point and expected seasonal route. Bring your own food, a towel, and serious sun protection. Most of all, book with the understanding that the Blue Cave requires swimming and that Šunj is planned, not guaranteed.

At $71, I think the package is good value for an active visitor who wants several highlights in one outing. It is not the right choice for a guaranteed beach transfer or a gentle sightseeing cruise. Know which kind of day you are buying, and this can be one of the more enjoyable ways to see the islands beyond Dubrovnik.

FAQ

How long does the boat tour last?

The stated duration is 4 hours to 270 minutes. Plan for the full 270 minutes because the route includes several boat transfers, cave stops, a beach stop, and return travel.

Where can I start the tour?

The listed starting options are Obala and Veliki Muo. The exact meeting point depends on the option you book.

Is the Blue Cave accessible without swimming?

No. The Blue Cave can only be reached by swimming, so this tour is not suitable for non-swimmers.

Are snorkeling and swimming equipment included?

Yes. Swimming and snorkeling equipment are included.

Which caves does the tour visit?

During the later season, from May 15 to October 31, the planned route visits the Blue Cave and the Three Green Caves at Koločep. The early-season route can differ.

Is Šunj Beach included all year?

No. From May 15 to October 31, the planned route includes Šunj Beach. From April 1 to May 15, the route visits Koločep village and Lopud village instead.

Are drinks included?

Yes. Unlimited soft drinks and unlimited beer are included. Meals are not included.

Can I bring my own food?

Yes. You are free to bring your own food because meals are not provided.

What happens if the sea is rough?

The itinerary or order of stops may change in rough sea conditions. The activity information does not guarantee that every listed stop will be visited in all conditions.