Dubrovnik’s caves look unreal from the water. This 4-hour speedboat trip is a simple formula: a guided run along the coast, then real swimming in the Blue Cave and emerald-lit green caves, finished with sand time on Lopud. I love that snorkeling gear and pool noodles are provided, so you can actually do more than just look. I also like the all-day feel of included drinks between stops. One thing to plan for: the Blue Cave isn’t boat-accessible, so you’ll swim to the entrance, and rough water can limit how much you get to enter and hop back out.

The small-group size (max 18) keeps the day from feeling like cattle herding, and the skipper adds local stories as you pass the old-town walls and the Lovrijenac fortress area. You’ll get about 40 minutes at Blue Cave, then time for green-cave swimming/snorkeling, and finally a sandy break on Lopud’s south side at Šunj Beach. If you hate cold water or you’re not comfortable with basic swimming, this may not be your easiest Dubrovnik day.

Key things I’d watch for before you go

• Blue Cave access is by swimming: the boat anchors offshore (around 20m), and the entrance is too tight to enter by boat
• Snorkel setup is included: masks and breathing tubes are part of the deal, plus floaters if you need them
• Sunj Beach is family-friendly: the shallow seabed stretches far out, which helps less-confident swimmers
• Caves can get busy: you’ll still get the magic, but expect other boats and quick turnarounds
• Weather changes the day: choppy seas can mean shorter cave time or alternative stops, and you’ll want a flexible mindset
• Small group = easier getting in and out: 18 people is a sweet spot for a fast water day

Dubrovnik’s coast view starts the fun

This tour kicks off with a water-level look at Dubrovnik’s old town walls—one of those sights that feels different when you’re floating beside it instead of standing in traffic. As you cruise, you’ll pass under the area of Lovrijenac fortress, perched on a steep cliff above the Adriatic, and you’ll get legends and facts along the way.

It’s not just sightseeing from a phone screen. The skipper’s running commentary helps you place what you’re seeing—so the cliffs, forts, and shoreline aren’t random scenery. You also feel how close Dubrovnik really is to the open sea, which sets expectations for the speedboat ride later.

The Blue Cave swim: why it’s unforgettable (and what to expect)

Blue Cave is the headline for a reason. The glowing blue color comes from natural light bouncing through the cave and water, and the effect hits hardest when you’re actually in it, not floating at the mouth.

Here’s the practical part: the speedboat can’t enter the Blue Cave on Kolocep, and the entrance is too small for the boat anyway. So you’ll swim to reach it. The boat anchors roughly 20m out, and snorkeling gear is provided so you can see clearly once you’re inside. If you want extra stability, pool noodles are available on the boat.

This stop is also where you’ll feel the reality of Dubrovnik’s top attractions. Blue Cave can be crowded, and you’ll share the experience with other boats. That said, being anchored and swimming in small bursts still works well—the cave magic is real, and the photo ops are legit because you can see the light effect from near the entrance.

Tip for comfort: bring a plan for getting wet fast. If you’re not used to jumping into cold or choppy water, wear a swim layer you can tolerate for 10–15 minutes at a time.

Green caves and the canyon passage: emerald light with some tight spots

After Blue Cave, you’ll switch to the green-cave chain—often described as emerald-lit because sunlight hits the water and rock in a way that looks almost dyed. Two green caves plus a canyon-style cave make this stop feel like a short adventure loop rather than one single photo stop.

Sunlight does most of the work here. When conditions are right, the water glows in a way that makes you stop thinking and just look. You’ll have time for optional swimming and snorkeling, and the setup is similar: you’ll get gear, and you’ll enter under your own effort where needed.

One detail to keep in mind: some passages can be narrow or awkward, and not every swimmer will find every segment easy. Even on good days, the canyon feel means you may need to follow your own route and move at your pace. The upside is that it’s more interesting than a big, open cave—there’s a sense of discovery.

Šunj Beach on Lopud: where the day turns relaxing

The last stop is Šunj Beach on the south side of Lopud Island. This is your decompression zone: pale sand, clear water, and room to spread out for a while instead of rushing cave to cave.

Šunj has a standout feature for families and cautious swimmers: the seabed stays shallow for about 100 meters from shore. That means you can still be in the water without needing to commit to deep swimming. If you’re traveling with kids or someone who prefers gradual entry, this is one reason the beach stop feels more practical than many Croatian island beaches.

You’ll get about one hour here, which is enough time to swim, float, and reset. Beach chairs may require a rental fee, so if you care about shade and comfort, have a few coins or some small bills ready. There’s also a simple food-and-drink vibe on and near the waterfront, which helps if you don’t want to leave the beach for lunch.

One thing worth saying plainly: this is a “time at the beach” stop, not a full-day beach vacation. If your heart is set on long lazy hours, you’ll enjoy the beach, but you’ll probably still feel like you could use one more round of sand time.

Included drinks and snorkeling gear: the comfort math works

This tour is one of the better-value formats because it reduces decision fatigue. You don’t need to plan where to buy water, and you don’t need to bring snorkeling basics.

Included gear:

• Snorkeling masks and breathing tubes
• Floaters (like noodles) if needed

Included drinks:

• Local beer, red and white wine, and grappa
• Soft drinks like soda/pop and natural juices
• Bottled water

That drink mix matters because you’re doing active stuff—getting in and out of the water, swimming to cave entrances, and bouncing along the coast. Having drinks on hand at stops helps you stay warm-ish, hydrated, and cheerful between swims.

A small “be realistic” note: you can’t assume alcohol choices will feel identical across every day and every boat. The listing includes more than beer, but the easiest-to-serve alcohol may vary. Either way, you’re not stuck with only one thing, and non-alcohol options are part of the included set.

Small-group speedboat reality: fun, but expect conditions

The boat max is 18 travelers, which keeps this from turning into a long line of people waiting to splash. In practice, that smaller group size helps with the most stressful parts of the tour: timing your swim entries, handling crowded cave approaches, and getting everyone back on the boat without a long delay.

That said, speedboats are still speedboats. If the sea is rough, you may feel more impact during the ride, and water access can change. Some days you can get in and out normally, and some days the safest call means reduced cave time or an alternate stop. When that happens, the tour adjusts rather than forcing everyone into a bad situation.

If you’re prone to motion sickness, this is worth thinking about ahead of time. Choppy conditions can make a speedboat day feel intense, even when the skipper is careful. Pack accordingly: dry clothes in a bag, and a realistic expectation that the ride might be more jolty than you imagined.

Who this suits best (and who should think twice)

This tour fits travelers who want a half-day mix: coastline views, real swimming time, and a beach finish without turning it into a full planning project.

You’ll likely love it if:

• You’re comfortable swimming or snorkeling at least briefly
• You want multiple caves instead of one crowded main stop
• You prefer small-group pacing and a lively skipper
• Your schedule allows a morning or afternoon departure and you want to be back in town the same day

You might want to skip or choose another option if:

• You hate cold water or you’re not confident swimming
• You expect the boat to enter the Blue Cave directly (it won’t)
• You’re hoping for a long, uninterrupted beach day
• You’re very sensitive to rough sea rides

One more practical thought: the cave visits involve self-guided movement in tight spaces, not just a “follow the leader” stroll. You don’t need to be an expert, but you do need a bit of comfort with simple navigation in and around the water.

Price and value: what $84.65 buys you here

The price, $84.65 per person, is more than just transport because you’re paying for:

• A speedboat experience with small-group capacity
• Snorkeling gear included
• Caves accessed as part of the day, with admission not something you have to budget separately
• Drinks and water provided throughout the outing

You don’t get lunch, and beach towels aren’t included. But you also don’t need to budget separately for masks, bottled water, or a drinks-and-snacks plan mid-journey. For many Dubrovnik day trips, that’s where costs sneak up. Here, the big expenses are already handled.

Also, the tour seems to get booked ahead—about 20 days in advance on average—so if you’re traveling in peak season, reserving earlier helps you lock in a time that fits your vibe.

My practical packing checklist for Dubrovnik caves

This is a water day with fast transitions. Pack like you’ll get wet at least once, maybe more.

Bring:

• A way to keep your phone and wallet dry
• Quick-dry swimwear (something you can tolerate in cool water)
• Water shoes or grip-friendly footwear if you have them
• Sun protection (caves and water still mean sun)
• A small towel or plan to dry off quickly (beach towels aren’t included)
• If you care about comfort at the beach, be ready for possible chair fees

If you like your days smooth, plan with the sea in mind. Even with great skies, cave and swim access can be affected by conditions, and a good day trip depends on staying flexible.

Should you book this Blue Cave, Green Cave & Lopud Beach tour?

If you want an efficient Dubrovnik adventure with a big payoff—the kind where you actually get into the water—this tour is a strong pick. The Blue Cave swimming access, the green-cave light, and the Lopud beach reset are a clean combo for a half-day format. Add in included snorkeling gear and drinks, and the value feels fair for what you do.

I’d book it if you can handle a swim entrance and you’re okay with the fact that conditions can change cave time. I’d hesitate if you’re not comfortable swimming, dislike speedboat rides in choppy water, or want a long beach day that doesn’t involve getting in and out of the water.

FAQ

How long is the Blue Cave, Green Cave & Lopud Beach tour?

It runs for about 4 hours.

What’s included in the tour price?

You get snorkeling equipment, drinks (including local beer, red and white wine, grappa, soda/pop, natural juices, and bottled water).

Is lunch included?

No, lunch isn’t included.

Can you snorkel at the caves?

Yes. Snorkeling masks and breathing tubes are provided, and swimming/snorkeling is part of the cave stops.

Will the speedboat enter the Blue Cave?

No. The boat cannot enter the Blue Cave (the entrance is too small), so it’s accessible only by swimming from an anchored point.

How much time do you get at Šunj Beach on Lopud?

You get about 1 hour at Šunj Beach.

Is this tour offered in English?

Yes. The tour is offered in English, and you’ll receive a mobile ticket.