Review · BLUE CAVE & GROTTO TOURS
Blue Cave and Green Caves Boat Tour
The Adriatic turns electric blue here. This four-hour boat trip links the Blue Cave near Koločep, three sea caves, and sandy Šunj Beach on Lopud. I like the small maximum group of 12, which keeps the outing more personal, and I like that drinks, snorkel gear, fuel, and a local guide are included. The main drawback is simple: the route depends on the sea. Waves or cold water can change the plan.
The $66.08 price is fair for a half-day on the water, especially with beer, white wine, soft drinks, water, and swimming equipment included. You should still bring a towel and money or food for Šunj Beach, since lunch, snacks, and towels are not part of the package.
At a glance

- Three very different stops: See the glowing Blue Cave, the Green, Purple, and Canyon Caves, then relax on sandy Šunj Beach.
- A small group of 12: The boat does not carry a crowd, making it easier to hear the guide and find room to swim.
- Drinks are included: White wine, beer, water, Coca-Cola, and Fanta are provided during the outing.
- One and a half hours at Šunj: The longest stop gives you time for swimming, sunbathing, a beach drink, or a simple meal.
- The route can change: The captain may adjust the plan for waves, and cold water can affect the cave schedule before April 1 and after September 15.
- Strong early demand: This trip is booked about 94 days ahead on average, so popular summer dates deserve attention.
Four hours on the Dubrovnik coast

This is a boat day built around contrast. The caves are dark, cool, and enclosed. Šunj Beach is open, sunny, and easygoing. In between, you get the pleasure of moving along Dubrovnik’s coast by boat rather than spending another morning among stone lanes and packed viewpoints.
The trip begins at Mali Muo, at Gundulićeva poljana in Dubrovnik. It ends back at the same meeting point, which keeps the day tidy for your evening plans. The experience is offered in English and includes a local guide.
A maximum of 12 people matters here. Small boats make cave visits less awkward because you can move around more easily, hear instructions, and get a better view of the rock walls. This is still a group outing, not a private charter, but it should feel more relaxed than a large excursion boat.
The total schedule lists roughly one hour at the Blue Cave, one hour around Koločep’s other caves, and 90 minutes at Šunj Beach. The remaining time is used for boat travel and moving between stops. You should think of this as an active half-day, not a beach resort day with a boat ride attached.
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The Blue Cave near Koločep

The first major stop is the Blue Cave of Koločep. Its appeal comes from the light. Sun enters the sea grotto and gives the water an intense blue color, while the rock around you remains darker and cooler.
You can expect a short boat ride from Dubrovnik before reaching the cave. The description allows for stepping into the water, and swimming is part of the outing, so this is the time to use the supplied life jacket or swimming noodle if needed. Snorkeling equipment is also included.
The Blue Cave is a visual stop first. You are not visiting a museum or walking through a long cavern. The pleasure is seeing how sunlight, seawater, and stone work together for a few memorable minutes. If you enjoy taking photographs, the blue water should provide the day’s most striking color, though conditions will affect how bright it appears.
The one-hour allocation gives this stop breathing room, but it does not mean you spend every minute inside the cave. Boat access and sea conditions shape the visit. Follow the captain’s instructions, especially near the cave entrance, where waves can make a short swim less comfortable.
A practical tip: bring a waterproof phone pouch if you want to take pictures from the water. That is not supplied, and towels are not included, so pack a dry layer and something to sit on afterward.
Koločep’s Green, Purple, and Canyon Caves
The next stop gathers three cave sites in one area: the Green Cave, the Purple Cave, and Canyon Cave. This is the most varied section of the route because each place has a different mood.
The Green Cave gets its name from the emerald light seen in the water when sunlight passes through the rock. The Purple Cave offers a darker color effect, while Canyon Cave is narrower and more enclosed. Together, they give you more than one version of a sea grotto.
You can swim, snorkel, or simply float and look around. That choice is useful. Strong swimmers can make more of the stop, while anyone who prefers to stay dry can enjoy the rock formations from the boat. Life jackets and swimming noodles are supplied, so you do not have to bring your own flotation equipment.
This hour is likely to be the most active part of the trip. You are moving among cave openings, getting in and out of the water, and adjusting to changing light. Wear a swimsuit under your clothes and secure anything loose before boarding. There is no mention of changing facilities, so it is wise to plan as if you will need to change at the end of the trip.
The captain has the final say on the route. Waves may require a different order or a different cave, and water temperature can lead to route changes, particularly before April 1 and after September 15. That policy is sensible, but it means you should not treat every listed cave as guaranteed in every season.
Šunj Beach on Lopud

After the caves, the boat heads to Lopud for the longest stop of the day. Šunj Beach is known for its sandy shore and shallow water, a welcome change from the rocky cave areas.
You get about 90 minutes here. That is enough time for a proper swim, some sunbathing, or a drink at one of the nearby beach bars. The water is described as shallow and warm, making this the easiest stop for a relaxed swim. It also suits anyone who wants to slow down after the more active cave portion.
Lopud itself is presented as a quiet island with forest paths, olive groves, vineyards, and a gentler pace. This tour focuses on Šunj Beach rather than a long island walk, so do not expect a full Lopud sightseeing visit. Your time is better used enjoying the shore.
Lunch and snacks are not included. You may find food and drinks near the beach, but the tour price does not cover them. The supplied drinks are intended for the boat outing and include white wine, beer, water, Coca-Cola, and Fanta. If you want a meal at Šunj, bring funds for that separately.
The sand is a real advantage. Many Dubrovnik-area swimming spots are rocky, so Šunj gives you a softer place to finish the day. On the other hand, the beach stop may feel too short if your main goal is a long, unhurried afternoon by the sea.
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What the $66.08 price covers

At $66.08 per person, this tour offers decent value for a four-hour coastal outing. The price includes the boat’s fuel surcharge, a local guide, snorkel equipment, drinks, and flotation equipment. Those extras matter because separate gear rental and onboard drinks can quietly add to the cost of a water trip.
The value is strongest if you plan to swim. You receive the basic equipment needed for the cave stops instead of packing fins, masks, or a life jacket. The included drinks are also useful on a sunny day, though you should not confuse them with lunch.
The price is less compelling for someone who wants only a quick boat ride and a scenic view. The tour is built around getting into the water, so you gain the most when you are happy to snorkel, float, and swim.
A small group helps justify the cost. With no more than 12 people, you are not paying for a huge boat operation. You still share the experience, but the group size should make boarding, listening to the guide, and finding space in the water easier.
Timing, weather, and changing plans

This is a weather-dependent activity. If poor weather causes cancellation, you can receive a different date or a full refund. You can also cancel for a full refund if you do so at least 24 hours before the start time.
The sea itself is the bigger factor during the outing. The captain may change the route when waves make a cave unsafe or difficult to enter. Water temperature can also alter the route before April 1 and after September 15.
That flexibility protects the quality of the trip, but it also limits certainty. Book this for the general experience of caves, swimming, and a beach stop, not for a promise that every named location will be reached in the same order.
The average booking lead time is about 94 days. That suggests you should plan ahead for a preferred summer date, particularly if your Dubrovnik visit is short. The confirmation arrives at booking, and the meeting point is near public transportation.
Who will enjoy this boat trip most

I would choose this tour for you if you want a compact introduction to Dubrovnik’s nearby islands and enjoy being on the water. It suits couples, friends, and families who can manage a few hours around a boat, caves, and a beach.
It is especially good for people who want variety. You get glowing cave water, colored light, open sea views, snorkeling, and sand in one outing. The tour does not ask you to commit the entire day to a single beach or a long island walk.
The outing may be less suitable if you dislike swimming, get uncomfortable on boats, or need a fixed route. The cave portion depends on conditions, and the experience is more enjoyable when you accept that the captain may adjust the plan.
Families should note that the tour is open to most people, and life jackets or swimming noodles are included. Still, the supplied information does not give a minimum age, child pricing, or specific assistance details. Ask the provider directly if those points matter for your booking.
What the praise points to

The strongest praise focuses on the views, the cave visits, and the beach time. One five-star account specifically highlights the combination of stunning scenery, cave exploration, and relaxing at the beach. The guide Marin is also singled out for being friendly and making sure the group had a good time.
That matches the structure of the trip. The boat ride supplies the scenery, the caves provide the memorable centerpiece, and Šunj gives you a comfortable finish. Marin’s name is useful to know if he is leading your departure, though guide assignments can change.
The overall rating is 5 from 17 reviews, with 100 percent recommending the experience. That is a small sample, so I would treat it as encouraging rather than final proof. The practical details matter more: small group, included gear, flexible route, and enough time at the beach.
Should you book the Blue Cave and Green Caves tour?
Book it if you want a small-group water outing with several sights packed into four hours. The combination of the Blue Cave, Koločep’s three cave areas, included drinks, and sandy Šunj Beach gives you a lot for $66.08.
Skip it if you want a guaranteed itinerary, a full island tour, or a long beach day. The captain may change the route, cold water can affect seasonal plans, and 90 minutes at Šunj is pleasant but not generous.
For most people who enjoy swimming and coastal scenery, I think this is a good Dubrovnik add-on. Bring a towel, swimsuit, dry clothes, and money for food. Book early if your dates are fixed, then let the sea decide the fine details.
FAQ
How long does the Blue Cave and Green Caves boat tour last?
The tour lasts approximately four hours.
Where does the tour start?
It starts at Mali Muo, Gundulićeva poljana, 20000 Dubrovnik, Croatia.
Where does the tour end?
The activity ends back at the meeting point in Dubrovnik.
What is included in the price?
The price includes snorkeling equipment, drinks, fuel surcharge, a local guide, and a life jacket or swimming noodle.
Are lunch, snacks, and towels included?
No. Lunch, snacks, and towels are not included.
How many people can join the tour?
The group is limited to a maximum of 12 travelers.
Can the route change?
Yes. The captain may change the route depending on the waves. The route may also change when water temperatures are cold, mostly before April 1 and after September 15.
What happens if bad weather cancels the tour?
You will be offered a different date or a full refund. You can also cancel up to 24 hours before the start time for a full refund.
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