Dubrovnik: Blue Cave & Sunj Beach Boat Tour with Drinks

The best part of this four-hour Dubrovnik boat tour is the chance to swim into caves rather than simply admire them from offshore. At Koločep, clear water, dark rock, and filtered sunlight make the Blue Cave and Three Green Caves feel far removed from the city.

I like the mix of active and easygoing stops: you can snorkel through the caves, then stretch out at Šunj Beach for an hour and a half. I also like the practical extras, including drinks at each stop and snorkeling gear. The catch is that cave access depends on sea conditions, and this is not a good choice if you cannot swim or tend to get seasick.

Quick take: what makes this trip worthwhile

• Swim inside Koločep’s caves: The Blue Cave and Three Green Caves are the main event, with about 30 minutes at each stop.
• Spend 90 minutes at Šunj Beach: You get proper beach time, not just a quick photo stop.
• Enjoy drinks along the way: Water, white wine, beer, Coca-Cola, and Fanta are provided at the stops.
• Ride a fast shared speedboat: The boat cuts travel time between Dubrovnik and the Elaphiti Islands, though rough water can make the ride bumpy.
• Choose pickup or meet at the port: City-area hotel pickup and drop-off are available if selected, or you can meet beside Dubrovnik’s bus station.
• Expect careful decisions about safety: If waves make the caves unsafe, your skipper may replace them with other swimming and snorkeling spots.

From Dubrovnik harbor to the Elaphiti Islands

This is a shared speedboat tour rather than a private outing. You begin at the dock next to Dubrovnik’s bus station, unless you have selected hotel pickup in the Dubrovnik city area.

If you choose pickup, contact the operator by email, phone, or WhatsApp before the tour. The exact pickup time depends on where you are staying. This matters more than it might seem: failing to confirm the time, arriving late, or missing the pickup point can mean losing the tour and the payment.

At the dock, the skipper gives a safety briefing before the boat heads out. The first ride takes about 15 minutes, a useful short run that gets you quickly away from Dubrovnik and toward the islands.

The speedboat is part of the fun. You get open-water views and a brisk ride instead of a slow ferry crossing. On calm days, it feels lively and efficient. On choppy days, it can be a rougher experience, especially toward the front of the boat. One practical tip from the trip: sit toward the back if the sea is unsettled, and consider skipping this outing if you are prone to seasickness.

Koločep’s Blue Cave: beautiful, but not guaranteed

The Blue Cave stop lasts about 30 minutes. You can swim, use the supplied snorkeling equipment, take photos, and look for marine life in the clear water.

The appeal is simple. You enter a natural chamber where the rock closes around you and the water takes on a bright blue color. It is not a long cave expedition. You swim in, enjoy the light, and return to the boat. Still, that short passage feels more personal than viewing a cave from a deck.

The cave’s appearance depends on light, water, and sea conditions. A late-afternoon departure may offer better blue light inside the cave, while an early tour can help you reach the stops before the heat and heavier activity. Neither timing guarantees a particular view, but both tips are useful when choosing between available departure times.

Most important, you may not be allowed inside the Blue Cave if conditions are unsafe. That is a real limitation, not a minor footnote. On some autumn trips, the caves were closed because of wind or rough water, and the crew took the group to alternate swimming and snorkeling sites instead. This can be disappointing if the cave is your sole reason for booking, but it is the correct call on a boat tour that requires you to swim near rocks.

You need basic swimming ability for this activity. That means entering and resurfacing in the water, controlling your breathing, floating, turning, and moving to safety. A lifejacket is available on request, but it is not a substitute for swimming skills.

The Three Green Caves: the more active stop

After roughly 10 minutes by speedboat, you reach the Three Green Caves on Koločep. Here, too, you have about 30 minutes for swimming, snorkeling, photos, and exploring the water around the rock formations.

This stop adds variety to the Blue Cave. Instead of one dark chamber with a strong blue-light effect, you experience a series of openings and passages shaped by the sea. The distant sound of waves inside the rock is part of the charm.

You should expect a swim-focused stop rather than a guided archaeological visit. The skipper explains how to make the most of the caves and keeps an eye on the group, but much of the time is your own. Bring an underwater camera if you have one. The water is clear enough for fish and cave footage, although there is no guarantee of seeing a particular species or getting perfect photographs.

The crew’s approach matters here. Guides named Mark, Erik, Dominic, Anthony, Roko, Dino, Matko, James, Frank, and Antonio have been leading different departures. The strongest reports consistently point to the skipper’s role in making people comfortable, explaining where to swim, and keeping the group together. Guide assignments can change, so do not book on the assumption that one specific person will be aboard.

Šunj Beach gives the half-day a slower rhythm

A 10-minute boat ride brings you to Šunj Beach on Lopud, where you get about 1.5 hours. This is the tour’s best counterpoint to the caves.

The beach is sandy, which is a welcome change from the rocky shoreline found in many parts of Dalmatia. You can swim, sunbathe, relax on a lounger, or find a restaurant for food and a drink. The stop also gives you a chance to walk around rather than remain on a boat all morning.

The supplied description also points to a botanical garden and a Franciscan monastery in the wider area. Your actual free time is limited, so you may need to choose between beach time, a short walk, and refreshments. I would treat Šunj primarily as a swimming and relaxation stop, not as a full Lopud sightseeing visit.

There is one useful beach detail: toilets are available at the sandy beach, but not at the cave stops or during the initial check-in. Use the toilet before boarding. You should also know that towels are not included, and loungers may involve a purchase of food or a drink, based on the stop arrangements described for the beach.

After Šunj, the return ride to Dubrovnik takes about 20 minutes. The final run gives you one more stretch of coastal scenery and brings you back to the starting area after roughly four hours in total.

Drinks and snorkeling gear: good value in small ways

The price is listed at $74 per person. That is fair value if you want a compact outing with boat transport, a skipper and crew, snorkeling equipment, several swim stops, and beach time all bundled together.

The included drinks improve the deal. You receive one drink at each stop, with choices listed as water, white wine, beer, Coca-Cola, and Fanta. Some departures also include a welcome refreshment. After swimming in cool water, a beer, glass of wine, or soft drink is a pleasant touch, and you do not need to keep opening your wallet every time the boat stops.

The value is strongest for people who want variety. Booking separate transport to Koločep, arranging cave access, and then finding a way to Šunj Beach would take more planning and would not necessarily cost less. You are paying for the boat, timing, crew, and simple coordination as much as for the scenery.

It is less compelling if you want a quiet private cruise, a long beach day, or a full island tour. The outing moves through several highlights quickly, and the shared boat means you follow the group’s schedule.

A shared boat with a social feel

The boat carries a shared group, not just you and your companions. The exact capacity is not stated, although one departure had eight participants plus the guide. That gives you a useful idea of the small-group feel sometimes available, but it should not be treated as a guarantee for every departure.

The atmosphere depends partly on the skipper. Mark has been praised for humor and a relaxed manner, Erik for keeping people safe while making the trip fun, and Dominic and Anthony for friendly conversation and personal attention. Roko, Dino, Matko, James, Frank, and Antonio have also led departures described as enjoyable and well managed.

Music may play during the ride, and the tone can be cheerful rather than formal. That suits you if you want a lively morning or afternoon on the water. It may not suit you if you are looking for silence, a private guide, or a detailed lecture at every stop.

The boat ride itself can be bumpy. One guide was described as a bit of a speed enthusiast, while another departure encountered choppy seas that made the journey more exciting. Hold onto your belongings, keep large bags at home, and use the available space carefully.

When to go: morning, afternoon, or autumn

The tour runs for four hours, with departure times depending on availability. A morning trip may help you reach the caves and beach before the day becomes hot and crowded. An afternoon departure may give the Blue Cave stronger light, particularly if the sun is well placed.

You cannot guarantee perfect cave color by choosing one time, since weather and sea conditions still control the experience. If the Blue Cave is your priority, ask about the day’s conditions and the most suitable departure before booking.

Late September and October can still provide warm-looking water and bright days, but swimming becomes less predictable. Some people enjoyed an October swim, while others noted that a sweater was useful after getting out. Pack a light layer for the ride home, even if the forecast looks sunny.

The tour can also be a good answer to a cloudy day in Dubrovnik. The islands may have clearer skies than the city, but weather can change quickly on the Adriatic. Build some flexibility into your plans if possible.

Who should book this Dubrovnik boat tour?

I would recommend it most strongly to confident swimmers, couples, friends, and families with older children who want an active half-day outside Dubrovnik. You get scenery, swimming, snorkeling, a sandy beach, and a fast boat ride without giving up an entire day.

It is especially well suited to you if you enjoy trying several places rather than staying at one beach. The caves provide the memorable feature, while Šunj Beach gives you time to cool off and relax.

Think twice if you have back problems, mobility impairments, or a condition that makes a speedboat uncomfortable. The tour is not suitable for wheelchair users, people over 70, non-swimmers, or people prone to seasickness according to the stated restrictions.

Take swimwear, beachwear, and a towel. Do not bring luggage or large bags. Snorkeling equipment is included, but personal goggles or an underwater camera could be useful if you have them.

Safety, access, and the fine print

The crew gives a safety briefing, and a personal flotation device can be provided on request. You still need to be able to swim safely without relying on the vest.

Cave entry is always subject to the skipper’s judgment. If waves or conditions make the passages dangerous, the plan may change. That protects the group, but it means you should see the caves as the main aim rather than an absolute promise.

Hotel pickup and drop-off are available only when that option is selected. Otherwise, meet at the dock beside the bus station. Contact the operator if you cannot find the meeting point.

Free cancellation is available up to 24 hours before departure, and reserve-now-pay-later booking is offered. Missed tours caused by a late cruise ship, delayed flight, bus, or taxi are not refundable. A medical refund requires a certificate from an MD working at a registered medical clinic.

Should you book it?

Book this tour if you want the best mix of caves and beach time in a short Dubrovnik outing, and you are comfortable swimming from a speedboat. The $74 price is sensible once you count the transport, drinks, gear, crew, and 90-minute Šunj Beach stop.

Skip it if you need guaranteed cave entry, dislike fast boats, or want a slow island visit with plenty of walking. For everyone else, this is a strong value trip, especially on a calm, sunny day. Ask about sea conditions, confirm your pickup time, and bring a towel and a light sweater. Those small steps make the outing much easier.

FAQ

How long does the Dubrovnik Blue Cave and Šunj Beach tour last?

The tour lasts four hours, including the boat rides between Dubrovnik, Koločep, Šunj Beach, and back to Dubrovnik.

What places does the boat visit?

The tour visits the Blue Cave on Koločep Island, the Three Green Caves on Koločep, and Šunj Beach on Lopud.

How much time do I get at each stop?

You get about 30 minutes at the Blue Cave, 30 minutes at the Three Green Caves, and 1.5 hours at Šunj Beach.

Are drinks included?

Yes. One drink is provided at each stop. The listed choices include water, white wine, beer, Coca-Cola, and Fanta.

Is snorkeling equipment included?

Yes, snorkeling equipment is included. Towels are not included, so bring your own.

Can I join if I cannot swim?

No. Swimming skills are essential for this activity. A lifejacket can be provided on request, but it does not replace the ability to swim.

Is hotel pickup available?

Yes, hotel pickup and drop-off are available in the Dubrovnik city area if you select that option. You must contact the operator before the tour to receive your exact pickup time.

Where do I meet the boat without hotel pickup?

The meeting point is at the dock next to the bus station in Dubrovnik. You can contact the operator by WhatsApp if you have trouble finding it.

What happens if sea conditions make the caves unsafe?

The skipper may take you to alternate swimming and snorkeling locations. Cave entry is dependent on safe sea conditions.