Cruising into Dubrovnik’s caves is a fast, fun sea day. You get snorkeling stops at the Blue Cave and the Three Green Caves, then a real beach break at Šunj with time to swim and relax. What makes it work is the tight 4-hour structure: you’re always moving, but you still get real water time.

I also like that you’re looked after on the water with drinks onboard and provided snorkeling gear, plus a waterproof bag so you can bring your phone without babying it all day. One catch to think about: you need to be a decent swimmer, and you’ll be dealing with open-boat wind and spray for part of the ride.

Key details that really matter before you go

The biggest practical drawback is that the schedule is punchy, so cave time is brief. Also, there’s no toilet on the speedboat—only at the beach—so plan your bathroom break before you hop in.

If you’re prone to seasickness, this isn’t the day to gamble: it’s an open speedboat with breeze and choppy sea potential. And if you’ve got trouble walking through shallow water, the beach access at Šunj may feel annoying.

What makes this Blue Cave speedboat day worth your time

• Blue Cave on Koločep Island with a dedicated swimming/snorkeling window (about 30 minutes)
• Three Green Caves with both photo time and longer water time (about 45 minutes)
• Šunj beach time (about 60–90 minutes) that ends the tour on sand with a beach bar
• Drinks onboard including water, beer, wine, and coca cola, plus a waterproof bag and snorkeling gear
• A captain who runs a smooth ride, with one standout review praising Mario’s boat control and music choices
• Real-world constraints: no toilet on the boat, swim-required cave access, and strong sun risk

Meet at Knjižnica za društvene znanosti and find Antonio

Your day starts at Knjižnica za društvene znanosti. The staff will be waiting there, and the easiest way to spot them is to look for Antonio or a red shirt tied to Adriatic Boat Tours.

This matters because several boats can be working the same general area. If you show up right at the start time, I’d still give yourself a few extra minutes to get your bearings and confirm which boat is yours.

Once you’re on board, the pace becomes the whole story: this tour is built for water time, not long land lectures.

The speedboat ride: breeze, spray, and quick island connections

You’ll spend about 30 minutes on the speedboat before the first cave stop. Then you’ll have short hops between islands—around 10, 15, and 30 minutes on the way back.

Because it’s an open-type boat, you’ll feel wind, cold, and sea spray. Dress for that, not for Dubrovnik’s usual warm-and-sunny feel on shore. Sunglasses help, and flip-flops are useful when you step on and off.

Also, this is a group tour. That usually means you’ll share the rhythm of stops with other people, so be ready for a bit of waiting at the waterline before you’re guided into the cave areas.

Blue Cave on Koločep: what 30 minutes feels like

Your first “wow” stop is the Blue Cave on Koločep Island. Expect about 30 minutes for free time plus swimming and snorkeling.

In practical terms, that’s just enough time to:

• get your bearings in the water,
• put on your gear (snorkeling gear is included),
• swim to where the cave viewing/swim access works,
• and come back before the group needs to move.

So if you’re hoping for a slow, photo-perfect exploration session, this tour won’t do that. It’s more like: brief, bright, and active.

If you want to maximize your time, do the basics fast: get your sunscreen on before you head out, keep your towel reachable, and don’t spend your first two minutes fiddling with straps.

Three Green Caves: photo stop plus longer snorkel time

Next comes the Three Green Caves on Koločep. You’ll have about 45 minutes here, including a photo stop and more time for swimming and snorkeling.

This stop feels like the “main event” water-wise. It’s longer than the Blue Cave window, which gives you a bit more flexibility if you’re not instantly comfortable in open water.

A practical tip: caves can be visually striking, but conditions matter. Sun position and water movement change how you see color. What you’ll likely notice is how quickly the experience can shift from clear and calm to slightly choppier as the group moves around.

If you’re traveling with friends and you all like different speeds, Three Green is where that difference shows: one person might stay in the water longer while another focuses on photos and a slower return.

Šunj beach (Sunj): the soft-sand reset with a beach bar

After the caves, you head to Beach Šunj. The beach time is about 60 to 90 minutes, and it’s built for a reset: free time plus swimming and snorkeling.

This is also where you get the only toilet on the day. There’s no toilet on the speedboat, so use it before you relax on sand.

One detail I think you should take seriously: you’ll walk through shallow water to reach the sandy beach. That’s normal here, but it can be slippery depending on footwear and wave action. Flip-flops are fine, but keep in mind you may be stepping in wetter, sandier surfaces than you’d expect.

And yes, the beach bar is part of the vibe. You’re not just cooling off; you can grab cocktails or food while you soak up sun between swims.

What’s included vs. what you need to bring

This tour is set up so you don’t have to arrive with a pile of gear. Included items are:

• snorkeling gear
• drinks (water, beer, wine, and coca cola)
• fuel
• a waterproof bag
• also, the tour includes cold drinks for the ride

What you should bring:

• swimwear
• a towel (not provided)
• sunscreen (the sun can be strong)
• sunglasses
• flip-flops
• camera
• credit card and cash (in case you want beach bar options)
• swim-ready basics like what you’d use on any beach day

If you’re the type who forgets one thing, let it not be sunscreen. The sea day glare is real, and your skin won’t care that you were busy swimming.

Also, no luggage or large bags are allowed. Travel light. It makes it easier to stow things and faster to get into the water when it’s your turn.

Boats, groups, and the “swim-required” reality

To get into the caves, you need to swim. The tour also expects you to walk through shallow water to reach the sandy beach at Šunj. That means this isn’t a casual “look from the edge” activity.

Also note who this isn’t a good match for:

• pregnant women
• people with back problems
• wheelchair users
• people prone to seasickness
• babies under 1 year
• people over 70

If you’re fit and comfortable in open water, you’ll probably enjoy the freedom of hopping in and out a few times. If not, you may feel stressed—and stress is the fastest way to drain the fun from a sea day.

The group nature helps some people and bothers others. If you like quiet, solo pacing, this will feel like a guided schedule. If you love shared energy and quick stops, it’s a good fit.

Price and value: $82 for three water stops and drinks

At $82 per person, you’re paying for a tight package: two cave areas plus a beach landing, with snorkeling gear and drinks included.

Here’s how I’d judge the value:

• You’re getting multiple water experiences without needing your own boat or tickets between spots.
• You don’t have to rent snorkeling gear separately.
• Drinks are included, so you’re not hunting for water and beer mid-tour.
• Time is short but efficient: you get about 4 hours total, with the day built around swim moments.

What you’re not paying for:

• food is not included (so plan for beach bar spending if you want to eat)
• towels are not included
• hotel pickup/drop-off is not included

So the deal makes the most sense if you’re already set up for a beach day (sunscreen, towel, swimwear) and you’re excited about the water. If you mainly want scenic views and you don’t plan to swim, the $82 feels harder to justify.

Captain vibes matter: fast control and good music

One small detail that shows up in reviews is how the ride feels under the captain’s hands. A standout comment praised Mario for excellent boat control and for keeping the group entertained with great music choices.

That might sound like “nice to have,” but it matters. A smooth speedboat ride reduces fatigue. Better pacing also helps you actually enjoy the time you have at each stop instead of rushing to recover from a rough crossing.

And since the boat is open, the captain’s handling is part of why this tour can feel fun instead of exhausting.

Should you book this Dubrovnik Blue Cave tour?

Book it if you want a short, active day that mixes caves + snorkeling + beach time, and you’re comfortable swimming in open water. I’d also recommend it if you like the idea of being supplied with snorkeling gear and getting drinks while you’re out there, so you’re not juggling logistics during the fun parts.

Skip it if you:

• get seasick easily,
• dislike swimming or walking through shallow water,
• need accessible facilities during the ride (there’s no toilet on the speedboat),
• or you’re looking for a slow, long cave exploration.

If you’re in the sweet spot—healthy, comfortable in water, and ready for sun—this tour is a solid way to see Dubrovnik’s nearby islands without burning your whole day on planning.

FAQ

What caves and spots are visited?

The tour includes the Blue Cave on Koločep Island, the Three Green Caves on Koločep, and Beach Šunj (Sunj/Sunj beach) for swimming and relaxation.

How long is the Dubrovnik Blue Cave tour by speedboat?

The duration is 4 hours.

What snorkeling gear is included?

Snorkelling gear is included, along with a waterproof bag.

What drinks are provided during the tour?

The tour includes water, beer, wine, and coca cola.

Is there a toilet on the speedboat?

No. There is no toilet on the speedboat, and the only toilet is at the beach.

Do I need to swim to enter the caves?

Yes. You need to swim to get into the caves, and you should be a decent swimmer.

Is hotel pickup and drop-off included?

No. Hotel pickup and drop-off are not included. You meet at Knjižnica za društvene znanosti.