From Dubrovnik/Cavtat: Blue Cave, Sunj Beach Speed Boat Tour

Turquoise caves, fast boats, real fun. I love the snorkeling stops in the Blue Cave and the Green Caves, and I love the free beach time at Šunj on Lopud. The catch is simple: you need basic swimming ability, and the boat rides can feel bouncy if you get seasick.

From the start, you get that wow moment of Dubrovnik’s city walls from the sea, not from a postcard angle. And with included drinks like local beer and white wine, plus cola and ice tea, the afternoon stays relaxed, even when everyone is swapping dive spots.

You’ll be on a shared small-group tour that typically runs 4 to 5 hours, and the captain may adjust the order of cave stops if weather or sun position changes. One more practical note, Šunj Beach services start in May, and in colder months the beach plan can shift to nearby village stops.

Key things I’d plan around

• Dubrovnik city walls from the water: you see the fortress look in motion, with the Old Town rising above the Adriatic.
• Blue Cave access by swim-in entrance: the glowing turquoise effect is the whole reason to come.
• Three Green Caves variety: two wider caves for easier snorkeling, plus a narrow passage for a through-swim experience.
• Šunj Beach anchored close to shore: the crew drops you in where the water stays shallow for a long way out.
• Drinks are part of the ride: local beer, white wine, ice tea, cola, Fanta, and water keep you going.
• A captain-led itinerary shuffle: cave order can change based on conditions, so be ready to go with the flow.

Speedboat time on the Adriatic: why this format works

This tour is built for people who want the islands without turning the day into a bus-and-ferry puzzle. You cover a chunk of coastline fast, then you get real water time where it matters: caves and swimming stops, not just views from far away.

The timing is tight but not rushed. Expect short speedboat transfers between stops, then dedicated break time to put on snorkeling gear, swim, and recover before the next jump.

The small-group style also helps. You’re not packed into a giant crowd. In one common pattern, boats can run around 14 people, which makes it easier to move around and actually hear the guide.

Meeting points and how the ride is set up (without the stress)

Your pickup depends on which starting option you choose, with departures from Dubrovnik Old Town port and also from areas like Cavtat, Mlini, and Srebreno. Drop-off options also vary, including Porat Dubrovnik and other designated points.

What I like about this setup is that you can match the tour to where you’re staying. What to watch for is that the meeting point can vary by option booked, so confirm your exact pickup area ahead of time. If you’re staying in Dubrovnik proper, you’ll likely tie it to the Old Town port area.

The tour provider is Dubrovnik Boat Tours, Karuzo, so you’re working with a crew that runs these routes repeatedly. That usually shows in how quickly they get everyone organized at each stop.

Dubrovnik’s city walls from sea level: the first wow moment

The first phase is all about orientation and scenery. You cruise along the coast with a sea-level view of Dubrovnik’s legendary city walls, then you see the Old Town’s red rooftops framed by open water.

This matters because Dubrovnik can feel “all viewing, all the time” once you’re on land. From the boat, you get a different sense of scale. The fortress looks higher, older, and more dramatic when it’s measured against the waterline.

It’s also a great mental reset. You’re already on island-time by the time you reach the cave region, so the rest of the trip feels like one connected adventure instead of scattered photo stops.

Koločep Island and the Blue Cave: what you’re really paying for

Blue Cave is the reason this tour has strong word-of-mouth. It’s on Koločep Island, and access involves swimming through a narrow entrance in the water.

Here’s what to expect in practical terms:

• You’ll have a stop with break time, visit time, plus swimming and snorkeling.
• Snorkeling gear is included (masks and snorkels), so you’re not scrambling for rental equipment.
• The water color is the headline. The cave area is known for that glowing turquoise effect from reflected sea light.

The good part is that you’re not just looking. You’re in it. You float, you swim, and you get a close look at the cave environment while you’re breathing through a snorkel.

A real-world consideration: entry conditions can vary. At the first cave stop, some groups found the waters a bit choppy, which can make the swim entry feel less calm than expected. If you’re nervous, take your time, move deliberately, and let the crew guide the process.

For photos, think about protecting your phone. A waterproof phone case came up as a useful idea in people’s tips, because you’ll be in and around water the whole time.

Three Green Caves: easier swims plus one brave option

After Blue Cave, you move to the Three Green Caves, still on Koločep. This stop is designed to give you options, not just one big set piece.

You’ll get about another half-hour style block for swimming and snorkeling. Two caves are wide and more welcoming for easier entry and a relaxed snorkel. Then there’s a third cave that’s narrow, creating a through-swim experience where swimmers can pass through and exit on the other side.

That third cave segment is for the comfortable swimmers who like a bit of action. If you want “just let me float and look,” stick with the wider cave entrances. If you want “I can handle a challenge,” this is the moment.

Space can get busy, especially in peak summer. The upside is that the water is part of the fun, and you’ll still get plenty of time in the caves. The downside is you should keep your head about you during high-activity moments, since multiple boats and swimmers can be in the same general water zone.

Šunj Beach on Lopud: the payoff break that feels like vacation

Then comes the beach, and this is where the tour shifts gears from adventure to recovery.

Šunj Beach on Lopud Island is a popular sandy stretch, about a kilometer long. The water is shallow far out, often nearly a long way from shore, which means you can anchor the boat close and disembark with more confidence than at rocky beaches.

You get roughly 1.5 hours of free time on shore for swimming, sunbathing, and hanging out. If you like a beach stop that actually lets you do beach things, not just “10 minutes to say you were there,” this time slot is a win.

Many people also like the beach setup with loungers and umbrellas at nearby bars. Services typically begin operating in May, so if you’re visiting outside that window, you might find less going on at Šunj.

Toilets are usually available at Šunj on Lopud. Sometimes, depending on the boat, you might also get access to a speedboat toilet, but it’s not something you should count on without asking the crew that day.

Drinks on board and the vibe: where the hosts make the day

This is not a dry tour. Drinks are included, and they keep showing up as a highlight in how people describe the day.

You’ll have:

• local beer
• white wine
• ice tea, cola, and Fanta
• water

What makes it feel generous is that it’s not just a token bottle at the start. People talk about drinks being kept flowing at stops, and in a few cases the host personally poured drinks, like Mario in one account.

Music is another big part of the atmosphere. Several guides name-check as part of the reason people loved it, including Ivan, Rino, Leo, Marco, Dora, and others. The common thread is that the skipper or guide keeps the energy light, with music playing while cruising and, for some groups, a party-like mood on the return ride.

One practical note: if you’re sensitive to noise, it’s smart to bring your own ear-plug style solution. The music can be fun, but boats are small and sound carries.

Price and value: $71 for a cave-and-beach afternoon

At $71 per person for a 4 to 5 hour experience, the value comes from what’s packed in.

You’re paying for:

• speedboat transport along the coast
• multiple island stops within one outing
• snorkeling equipment (masks and snorkels)
• drinks during the ride

Lunch is not included, so you should budget for food at the beach or bring a snack if that’s your style. But even with that, the overall deal can feel solid because you’re not paying separately for snorkeling gear or boat beverages.

Also, the itinerary is concentrated. You’re not spending most of your time in transit. You’re spending most of it in the water, which is exactly what you want when you book a cave swimming tour.

Who this suits best, and who should think twice

This tour is best for people who:

• like swimming and snorkeling
• want a fun, fast, outdoorsy day
• can handle entering water and resuming after stops
• enjoy a social small-group vibe with music and drinks

It’s not suitable for:

• people with back problems
• wheelchair users
• non-swimmers
• people prone to seasickness
• people over 80 years

Here’s the key safety detail to respect: lifejackets are always available, but they are not a replacement for swimming ability. If you need extra float support, noodle floaters are available and can be a better alternative for some swimmers.

If you’re unsure about your comfort level, be honest with yourself before booking. Basic swimming skills are required, including being able to enter the water, resurface, float, turn, and swim to safety.

Practical tips that make your day easier

Pack like you’re actually going to swim. Bring swimwear and a towel. That sounds obvious, but it’s the difference between enjoying stops and spending energy on basic logistics.

For the water itself:

• wear or bring a simple way to protect essentials from getting wet (especially your phone)
• be ready for different water conditions at cave entries
• keep calm and wait your turn during the most active moments, since boats and swimmers can overlap in summer

If you’re worried about motion:

• take seasickness precautions if you’re prone to it, because the speedboat ride can feel lively on the return
• hold on when you’re cruising, since waves can bounce the boat in fun, but noticeable, ways

If you’re visiting outside the warm season:

• Šunj Beach may not be open, and your stop can shift to Lopud village or Koločep village depending on the day and what’s open (cafés, restaurants, and shops)

Should you book the Blue Cave, Sunj Beach speedboat tour?

If you want a one-afternoon plan that mixes iconic Dubrovnik views with real swimming, I’d say this is a strong booking. The Blue Cave and the Green Caves give you that rare combination of glowing cave water plus hands-on snorkeling. The Šunj Beach break is long enough to feel like a proper rest, not just a short stop.

I would not book it if swimming is a no-go for you, or if you know you get seasick easily. It’s also not a fit for limited mobility needs like wheelchair access.

If you’re a confident swimmer who enjoys the water and you like your tours with drinks and a lively guide, this is one of the better ways to see the Dubrovnik islands in a short window. Just go in expecting water, not just views, and you’ll have the kind of afternoon you remember.

FAQ

How long is the Blue Cave, Sunj Beach speedboat tour?

The duration is about 4 to 5 hours.

Where does the tour start and end?

It departs from one of multiple starting locations, including Dubrovnik Old Town port, Cavtat, Mlini, and Srebreno. Drop-off locations also vary, and can include Porat Dubrovnik and other designated points.

Is snorkeling equipment included?

Yes. Snorkeling gear is included, including masks and snorkels.

What drinks are included on the boat?

Included drinks are local beer, white wine, ice tea, cola, Fanta, and water.

Do you get time at Šunj Beach?

Yes. You get free time on Šunj Beach on Lopud Island, about 1.5 hours, for swimming and relaxing.

Is lunch included?

No. Lunch is not included.

Can the itinerary change?

Yes. The captain may change the itinerary in case of bad weather, including possibly adjusting the order of cave visits.

Is it suitable for non-swimmers or wheelchair users?

No. It is not suitable for non-swimmers, wheelchair users, or people prone to seasickness. Basic swimming skills are required, and lifejackets are available but not a substitute for swimming ability.