Caves turn your blue-screen fantasies real. This Blue Cave and Kolocep boat outing is about seeing light play tricks on the Adriatic, then getting time to swim where the water goes from clear to unreal. I like that it stays compact (max 12 people) and friendly, so you’re not lost in a crowd before the first cave even shows up.

What I really like is the mix of short, high-impact cave time and then a proper break at Šunj Beach. You’ll also get practical extras for the water: snorkeling gear plus life jackets/swimming noodles, and drinks onboard like beer, white wine, water, and soft drinks.

One heads-up: the captain may adjust the route if the sea is rough or the water is cold (timing can matter outside the main warm months). And towels, lunch, and snacks are not included—so plan to bring your own towel if you want it.

Key things that make this tour worth your time

• Electric-blue Blue Cave near Dubrovnik: quick entry, big wow factor
• Kolocep’s trio of caves (Green, Purple, Canyon) with swim/snorkel chances
• Šunj Beach on Lopud: sandy shoreline with shallow, warm water for an easy swim
• Small-group pace: maximum 12 travelers for a calmer boat day
• Snorkel support and safety: gear plus life jackets or swimming noodles
• Included drinks: beer, white wine, water, and soft drinks on board

Dubrovnik’s caves feel different when you watch light move

This is one of those Dubrovnik experiences where the real star is the physics, not the postcard. The Adriatic sun hits the rock and water at different angles, and the caves respond fast—blue shifts toward green, then deepens again as the boat turns. On a normal shoreline, you can stare at water all day. From a boat, you see it in motion.

I also like the pacing. You’re not stuck on the water forever before you get to breathe. You get short cave stops, then a full beach break on Lopud. That mix makes the day feel balanced: photos for the eyes, swims for the body, and sand time for the brain.

Mali Muo departure: how the first hour sets the tone

You meet at Mali Muo / Gundulićeva poljana (20000), and the tour loops back to the same place at the end. Since it’s near public transportation, it’s usually easy to get to without complicated transfers.

Expect the day to start like a working boat schedule. You’ll likely spend the first stretch getting oriented and gearing up for cave time. The boat includes life protection (life jackets/swimming noodles) and snorkeling equipment, so you can focus on enjoying the water rather than hunting for rentals.

Blue Cave (Koločep): the fastest route to that famous color

The Blue Cave of Koločep is the headliner for a reason. From the outside, it looks like a dark opening in a rocky coast. Then you’re inside, and the water turns a glowing electric blue as light filters through.

This stop is about 1 hour, and that’s enough time to do the basics well: take in the view, get your bearings at the entrance, and decide whether you want to just watch or also swim and snorkel. You’ll feel the chill once you’re in the grotto—part of the charm, but not something to ignore if you’re sensitive to cold water.

Practical tip: in caves, it’s harder to judge water depth by looking only from above. If you’re not a confident swimmer, use the life jacket or swimming noodles right away. They’re there so you can enjoy the cave, not worry about it.

Kolocep Island: Green, Purple, and Canyon caves in one go

After Blue Cave, you shift to Kolocep Island, where the tour focuses on three nearby sea caves: the Green Cave, the Purple Cave, and the Canyon Cave. They’re grouped so you can experience different moods without spending the whole day traveling between distant spots.

• Green Cave: the emerald glow comes from sunlight filtering through the water and rock. When conditions are right, the color looks almost unreal.
• Purple Cave: darker and more dramatic, with a deeper hue that feels more enclosed than the Green Cave.
• Canyon Cave: narrower, more rugged, and less about wide open water—more about the thrill of moving through a tight natural passage.

This stop is also about 1 hour. The key thing here is choice. You can swim, snorkel, or float and simply enjoy the view through the water. Because snorkeling gear and safety gear are included, you don’t have to spend the day in a wetsuit-only fantasy—you can pick what feels comfortable.

One consideration: cave entrances can be choppy depending on waves and conditions. The captain can change the route depending on sea state, so don’t assume every minute will look identical. For me, that’s part of why tours like this work: you’re out there in real conditions, not a controlled studio.

Lopud and Šunj Beach: your sand-and-swim payoff

Next comes Lopud, specifically the time at Šunj Beach. This is the moment when the tour turns from “watch the water” into “get into the water.”

You’ll have about 1 hour 30 minutes here. Šunj Beach is known for a sandy shoreline with shallow, warm water. You can swim without the constant feeling that you’re fighting your way out. It’s also the kind of beach where you can float and relax rather than treat the ocean like a workout.

Even if you’re not a big beach person, this stop matters. Caves are active—short bursts, gear, and movement. The beach gives you a reset: breathe, dry off a bit, and enjoy the coastline without craning your neck at rock formations.

Bring along your own towel if you like to stay comfy after swimming. Since towels aren’t included, you’ll want one in your bag if you plan to actually sit on the sand.

What’s included (and what you’ll need to cover yourself)

This tour is priced at $66.08 per person for about 4 hours. I think that lands in the “good value” zone because you’re paying for three things that are hard to DIY in Dubrovnik: boat time, guided cave access with route management, and the water gear.

Here’s what you get as part of the price:

• Snorkeling equipment
• Life jacket/swimming noodles
• Drinks onboard: white wine, beer, water, Coca-Cola, and Fanta
• Fuel surcharge
• Local guide (the guide Marin is specifically praised for making the trip fun and keeping everyone on track)
• Mobile ticket

What’s not included:

• Towels
• Lunch
• Snacks

My advice: if you’re the kind of person who gets hungry between swims, plan a small snack strategy. Since lunch and snacks aren’t included, you’ll want to eat before or after the tour. If you rely on onboard drinks as your whole “food plan,” you may feel fine at first and then regret it later.

Also, note the tour requires good weather. If conditions are poor, the operator offers a different date or a full refund—so you’re not gambling blindly.

Drinks and the “small group” effect on comfort

The boat holds up to 12 travelers. That matters more than you might think. In a group that size, the guide can keep a closer eye on who’s ready to swim, who needs a hand, and who’s trying to hold a phone steady for the perfect cave shot.

It also tends to make the vibe easier. You’re not elbow-to-elbow at the water’s edge. You can actually hear instructions. And you’re more likely to get that friendly, go-with-the-flow energy that makes short cave stops feel fun rather than rushed.

The included drinks are also a nice touch. After a swim, having something waiting onboard—beer or white wine plus non-alcoholic options—turns the day into a real outing, not just a logistics exercise.

Timing reality: waves, cold water, and why the captain can change plans

Here’s the practical part: cave tours are at the mercy of nature. The captain may change the route depending on the waves. The route may also be adjusted when the water is cold, mostly before 1 April and after 15 September.

So what should you do with this info? Don’t treat the schedule as a rigid script. Treat it as the plan most days, with flexibility built in. If you’re traveling in the shoulder seasons, your experience might lean more toward safer or more comfortable conditions.

If your dream is extremely specific photos in a specific cave, accept that water conditions affect visibility and access. You’ll still get the core idea—caves plus a Lopud beach break—just with small changes.

Who should book this Blue Cave and Kolocep + Šunj Beach tour

I’d book this if you want:

• Big visual rewards without a whole day of travel
• A mix of caves + swim/snorkel + beach time
• A more manageable group size (max 12)
• Snorkeling help baked in (gear plus life protection)

You might skip it if:

• You strongly dislike open water or you hate any chance of being in rougher seas
• You need a towel and food included as part of the price
• You’re arriving late in the season and have zero tolerance for route tweaks due to cold water

Booking value: when $66 feels fair (and when it won’t)

At $66.08, you’re paying for boat-based access to multiple sea environments in a single half-day. If you tried to assemble this yourself—boat rentals, snorkeling gear, and a guided route—it would likely cost more and take more effort.

Also, this tour is commonly booked far ahead (on average 94 days in advance). That’s a clue it’s popular in the Dubrovnik summer window. If you’re traveling in peak months, you’ll have an easier time choosing times if you book early rather than waiting for last-minute availability.

Should you book this tour?

Yes, if you’re the type who likes real water views, short guided cave visits, and then a proper place to relax on sand. The combination of Blue Cave color, Kolocep’s Green/Purple/Canyon caves, and time at Šunj Beach makes this a full “Adriatic sampler,” not just a one-note boat ride.

Book it with two expectations in mind: conditions can shift the exact route, and you’ll want to bring a towel and plan for food since lunch/snacks aren’t included. If that fits your style, this is one of the most straightforward ways to see why Dubrovnik’s coastline is so famous for its sea caves.

FAQ

How long is the Blue Cave and Green Caves boat tour?

It’s approximately 4 hours.

Where does the tour start and end?

It starts at Mali MuoGundulićeva poljana, 20000, Croatia and ends back at the same meeting point.

What stops are included during the tour?

The tour includes the Blue Cave of Koločep, Kolocep Island’s caves (Green, Purple, and Canyon), and Šunj Beach on Lopud.

Is snorkeling gear included?

Yes. The tour includes use of snorkeling equipment.

Are drinks included?

Yes. Drinks included are white wine, beer, water, Coca-Cola, and Fanta.

What safety items are provided?

The tour provides life jackets/swimming noodles.

How big is the group?

The group is limited to a maximum of 12 travelers.

What happens if the weather is not good?

The experience requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund.