Dubrovnik or Cavtat: Blue Cave & Elaphiti Islands Boat Tour

The best part of this half-day trip is the water itself. You move from Dubrovnik’s stone walls to the clear coves of Koločep, where sunlight turns the Blue Cave a glowing cobalt color. Then you get time to swim in the smaller Green Caves and stretch out on rare sandy Šunj Beach.

I like the small groups of up to 15 and the clean, new speedboats. I also like the simple setup: snorkeling gear, unlimited soft drinks and beer, and no forced restaurant stop. The catch is important: the Blue Cave can only be reached by swimming, and the exact route may change with the season or rough seas.

Key points to know before you book

• The Blue Cave requires a swim: You cannot simply step off the boat into the cave, so this trip is not suitable for non-swimmers.
• Šunj Beach gets the longest stop: You have about 90 minutes for sand, shallow water, and a proper swim.
• The route changes by season: From April 1 to May 15, the tour visits Koločep village and Lopud village. From May 15 to October 31, it usually includes the Three Green Caves and Šunj Beach.
• The boat ride is part of the attraction: You cruise past Dubrovnik’s Old Town and along the coast in a modern speedboat.
• Drinks are included, meals are not: Bring food if you need more than soft drinks and beer.
• Cavtat can be a scenic starting point: Some departures travel from Cavtat toward Dubrovnik, giving you a fine coastal view before the cave stops.

A fast route from Dubrovnik to island water

This is a boat trip first and a sightseeing tour second. You are not spending hours on a bus or waiting for a large ferry to load. The speedboat gets you out among the Elaphiti Islands quickly, with the wind, salt air, and open views doing much of the work.

The two listed departure options are Obala and Veliki Muo. Your exact meeting point depends on the booking you choose, so check it carefully before setting out. Some departures also begin in Cavtat. In that case, the boat heads toward Dubrovnik and gives you a view of the coast and the Old Town from the water.

The boat pauses near Dubrovnik’s Old Town for about 15 minutes on the outward leg. This is mainly a photo and sightseeing stop, not a guided visit inside the walls. From the water, you can appreciate the city’s position more clearly: a compact mass of stone above the Adriatic, with towers and fortifications lining the shore.

I like this opening because it quickly sets the scene without using up the best swimming time. If you have already walked Dubrovnik’s walls, the boat view adds a useful second angle. If this is your first glimpse of the city, it is a pleasant preview, but it does not replace time inside the Old Town.

Koločep’s Blue Cave and glowing water

After the coastal cruise, the first major stop is the Blue Cave on Koločep. You get around 30 minutes here for photos, swimming, and snorkeling. The color comes from sunlight entering the cave and reflecting through the water, creating the blue glow that gives the place its name.

The key practical fact is easy to miss: you must swim into the Blue Cave. There is no walk-in entrance, and the activity is not suitable for non-swimmers. Snorkeling equipment is included, but you should still bring your own confidence in open water. A swimsuit, towel, sunscreen, hat, and camera belong in your day bag.

The stop is short, so do not expect a long cave exploration. You will have time to swim toward the cave, look beneath the surface, take photos, and return to the boat. The scene depends on the sea and sunlight, so the blue effect can vary. Even so, this is the most distinctive natural stop on the route.

The boat carries swimming and snorkeling equipment, which saves you from packing fins or a mask. I would still ask about a life jacket if you are not a strong swimmer. One account of the outing noted that there was no dedicated lifeguard, so you are responsible for judging your own ability and using flotation equipment if needed.

The Three Green Caves and a second swim

The boat then makes a short run to the Three Green Caves on Koločep. You get another 30-minute stop for swimming, snorkeling, and photos. These are smaller caverns with green-tinted water, and the mood is different from the Blue Cave: less dramatic in color, but more open and relaxed for a swim.

This is a good use of a half-day schedule. You do not spend the whole outing at one crowded beach, and you get two different cave settings close together. The first cave is about the visual effect. The Green Caves are more about getting into the water and enjoying the clear coves.

Still, you should keep your expectations sensible. Thirty minutes passes quickly once you have climbed down, adjusted your mask, swum around, and climbed back aboard. If you want long snorkeling sessions or time to explore every corner, a dedicated snorkeling trip would suit you better.

The order of stops may change with sailing conditions. Rough water can make a cave stop less comfortable or require a different plan. That flexibility is sensible on the Adriatic, but it means you should treat the advertised route as a plan rather than a guarantee.

Šunj Beach gives you the longest break

The main leisure stop is Šunj Beach on Lopud, with about an hour and a half ashore. This is one of the rare sandy beaches in the Dubrovnik area, and the sand makes a welcome change after rocky swimming spots.

The water here is warm and shallow, which makes Šunj the easiest place on the trip for a relaxed swim. You can wade in, sunbathe, take photos, or simply enjoy a longer pause without watching the clock every few minutes. The beach is also a good reason to bring a towel and some food.

The tour does not include a meal. You are free to bring your own lunch or snacks, and that is probably the sensible choice if you want to use the full stop for swimming rather than searching for food. Drinks are covered, with unlimited soft drinks and beer, but beer is not a substitute for water on a sunny boat trip.

There is one logistical point worth knowing about Lopud. The tour description presents Šunj as the beach stop, but a departure in October instead stopped at the harbor on the other side of the island. The group had 90 minutes there, but reaching Šunj required finding the island’s golf carts, leaving too little time for a comfortable beach visit. In that case, the sandy beach was only seen from a distance on the return ride.

That does not mean the stop will always change. It does show why the seasonal route and sea conditions matter. If Šunj is the part you most want, confirm the expected route before booking and understand that the captain may need to adjust the plan.

Lopud offers more than a beach

Lopud is known as a green, car-free island, and the village gives the trip a little more character than a sequence of swimming stops. In the village, you can stroll by the waterfront, pause at a café, or look around the gardens and quiet paths.

During the April 1 to May 15 period, the listed route includes Koločep village and the village of Lopud instead of the Three Green Caves and Šunj Beach. That early-season version is better for you if you prefer island life and village scenery to a long beach stop. It is less suitable if your main goal is snorkeling and sandy swimming.

From May 15 to October 31, the usual plan includes the Blue Cave, Three Green Caves, and Šunj Beach. The schedule therefore changes in a meaningful way, not just by a few minutes. Check the date range before you assume you are buying the cave-and-beach version.

The car-free setting is also part of the appeal. You get a brief taste of island life rather than a full cultural visit, but it helps break up the fast pace of the boat ride. If you enjoy cafés, gardens, and a slow walk, Lopud adds balance to the water activities.

What the speedboat ride is really like

The boat is described as spacious, modern, brand new, and clean. A small group, capped at 15 people, should make boarding and swimming stops easier than on a large excursion boat. One recent group had only 10 people, which gave the trip a more personal feel and left plenty of room to settle in.

You should expect a lively ride rather than a quiet cruise. The speedboat covers the distance efficiently, but the wind and movement are part of the experience. Secure loose hats and phones, and keep sunscreen handy. The ride between stops can be as enjoyable as the stops themselves, especially when the coast and Dubrovnik come into view.

The boat makes another Old Town stop on the return journey, followed by the trip back to Obala or Veliki Muo. The full experience is advertised as four hours, or up to 270 minutes. That is enough time for several water stops without taking your entire day away from Dubrovnik.

Unlimited soft drinks and beer add real value here, particularly because you are outside in the sun for several hours. Fuel is also included, so there should not be a surprise surcharge at the end. Food is the main extra you need to plan for.

Is $71 a fair price?

At $71 per person, this is good value if you want several experiences in one outing: a speedboat ride, Dubrovnik views from the water, two cave areas, snorkeling gear, a sandy beach, and included drinks. Booking separate boat transport to Koločep and Lopud would likely cost more in time and planning, even before adding equipment.

The value depends on what you want from the stops. You get only about 30 minutes at each cave, so this is not a specialist cave or snorkeling expedition. You are paying for variety and convenience, not hours in one cove.

The small group helps justify the price. A maximum of 15 people is much easier to manage at a cave entrance and on a beach transfer than a large boatload. The newer boat and included fuel also make the price easier to understand.

I would rate it as strongest for a first visit to Dubrovnik when you want an active half-day outside the city. It is less compelling if you dislike speedboats, cannot swim, or want a full day on one quiet beach.

Who should book this boat tour?

You should consider it if you:

• Want to see several Elaphiti Island sights in one half-day
• Are comfortable swimming from a boat into a cave
• Like a mix of scenery, snorkeling, beach time, and a little village wandering
• Prefer a group of 15 or fewer to a large excursion
• Want drinks and snorkeling equipment included
• Have limited time in Dubrovnik but still want to get offshore

You should think twice if you:

• Are a non-swimmer or feel uneasy in open water
• Need wheelchair access
• Want a guaranteed visit to Šunj Beach
• Expect a full meal to be included
• Prefer a slow, quiet boat rather than a speedboat
• Want long, serious snorkeling sessions

The trip is not suitable for wheelchair users, and pets and smoking are not allowed. English is the stated tour language. Bring a hat, swimwear, towel, camera, and sunscreen, with snacks or a packed lunch if you want food during the beach stop.

My verdict: a strong half-day on the water

I would book this tour for the combination of short cave swims and a long sandy beach stop. The Blue Cave supplies the memorable color, the Green Caves add another chance to snorkel, and Šunj gives you time to relax rather than rushing from one photo stop to the next.

I would not book it without checking the seasonal route and meeting point. If your trip falls early in the season, expect villages instead of the full Green Caves and Šunj program. If the beach is your top priority, ask what is planned for your date and accept that sea conditions can still change the route.

For $71, this is a sensible choice for confident swimmers who want a lively, well-equipped introduction to the Elaphiti Islands. Bring your own food, protect yourself from the sun, and treat the route as weather-dependent. Do that, and the outing offers a lot of coast, color, and swimming in four hours.

FAQ

How long is the Blue Cave and Elaphiti Islands tour?

The trip lasts about four hours, with the activity duration listed as up to 270 minutes. Starting times depend on availability.

Where does the tour leave from?

There are two listed starting options, Obala and Veliki Muo. The meeting point depends on the option you book. Some departures may begin in Cavtat.

Can non-swimmers join the tour?

No. The Blue Cave is accessible only by swimming, and the tour is not suitable for non-swimmers.

Is snorkeling equipment included?

Yes. Swimming and snorkeling equipment are included, along with unlimited soft drinks and beer.

Is food included?

No. Meals are not included, but you may bring your own food. The tour does provide drinks.

Does the tour always visit Šunj Beach and the Three Green Caves?

No. From May 15 to October 31, the planned route includes the Blue Cave, Three Green Caves, and Šunj Beach. From April 1 to May 15, the route includes the Blue Cave, Koločep village, and Lopud village. Rough seas can also change the order or route.