Blue Cave is a half-day with real water time. You’re out on the Adriatic from Dubrovnik to swim at the Blue Cave and two more cave spots, plus enjoy beaches around the Elaphiti Islands. The small setup keeps the vibe relaxed and lets the crew manage the stops so you’re not just being shuttled around.

I especially like two things here: the first beach stop at Sunj Beach on Lopud (great for floating, wading, and easy swimming), and the included drink at each stop to cool down after your time in the water. On some boats, the captain experience can be a highlight too—names that come up include Anthony, Roko, Dominic, James, Dino, Tino, and Eric, and you can feel how much they shape the pace and safety.

One consideration: this isn’t a sit-and-watch boat-and-cave tour. You swim into the caves (not on the boat), so you’ll want real confidence in open water—and expect a ride that can feel bumpy, with cold water depending on the season.

Key things to know before you go

• Cave time means swimming: boat doesn’t go into the caves; you enter by swimming, then exit through the same spot.
• Max 12 passengers: this is a genuinely small-group day, which helps with managing waves and crowd flow.
• Sunj Beach is the comfort stop: you get a longer beach hang built into the itinerary, with food and toilets only at that sandy beach.
• Drinks are included, but not unlimited: one drink at each stop (white wine, beer, Coca-Cola, Fanta, water).
• Afternoon timing can change after Sep 15: afternoon tours stop going to Sunj in favor of Lopud village options.
• Bring your own towel and swim-ready kit: towels and snacks aren’t included, and you’ll want to dry off fast between swims.

Price and value for a 4-hour cave-and-beach swim day

At about $84.65 per person for roughly four hours, you’re paying for more than a boat ride. You’re getting snorkeling equipment, access to three swim/cave areas, and a built-in refreshment plan—one drink at each stop, plus water.

Here’s how I think about the value: you’re not just spending time near the water, you’re actually using it. The itinerary stacks together a long sandy beach pause, two cave swims, and additional swimming stops—so the day feels full without dragging into an all-day marathon.

Also, the operator is running this as a shared tour with a maximum of 12. That matters because cave entrances and beach departures get messy fast with larger groups. The smaller capacity shows up as smoother transitions between swims.

The small-group setup: why max 12 feels better in the caves

When you’re dealing with waves, narrow cave entry points, and people of different comfort levels, a small group isn’t just a luxury—it’s practical. With up to 12 passengers, the captain and crew can explain the plan clearly, manage who goes when, and keep an eye on anyone having trouble with the water exit.

It also tends to make the captain’s personality more noticeable. Names that have been tied to great days include Anthony (punctual and friendly), Roko, Dominic, James, Dino, Tino, and Eric. Even if you don’t care about personalities, you’ll care about how calm someone is when the water gets choppy.

One more “value” angle: small boats also mean you’re less likely to feel like you’re swimming through a traffic jam. If you’re planning to take photos or just want clear snorkel views, fewer boats nearby is a big help.

Stop 1: Sunj Beach on Lopud Island for warm, easy swimming

Your first major stop is Sunj Beach on Lopud Island (about 1 hour 30 minutes). This is the comfort-and-reset stop: shallow, calmer water where you can swim, wade, relax, and refuel without committing to cave gymnastics right away.

Sunj is described as a beautiful lagoon with shallow warm sea that stretches out with a gradient from green to blue. Translation: it’s the sort of place where you can enjoy the water even if you’re not aiming for a long snorkel session.

You’ll also find practical perks here:

• Beach bars are nearby for food and snacks (snacks aren’t included in the tour, but you can buy there).
• Toilets are available only at the sandy beach, so use them before you get on the swim cycle.

If you’re joining the afternoon tour in season after Sep 15, the plan changes. After that date, the afternoon itinerary won’t go to Sunj because of shade issues; instead, it heads to the village of Lopud, which has sandy beaches plus options like a botanical garden, a Franciscan monastery, and restaurants.

Stop 2: Koločep Island and the three-cave swim experience

Next comes Koločep Island for about 45 minutes, and this is where the day shifts from beach time to cave time. The caves are described as three hidden swim caves on the cliff side of Koločep, formed by the sea’s abrasive action.

A key detail: you swim through the caves, and you enter/exit by swimming. The boat stays out of the cave, so you’re doing the real work in the water. That’s awesome when you’re comfortable, and a total deal-breaker if you’re not.

This stop also depends on conditions. Your captain may change the route, and that can affect exactly how long you spend in the water or which exit points feel safest. So go in ready to listen and adjust your plans on the fly.

Practical safety notes matter here:

• This tour requires swimming skills. You should be able to enter, resurface, control your breathing, float, turn, move to safety, and exit.
• A lifejacket (PFD) can be provided on request, but it doesn’t replace swimming ability.
• Big waves can make getting back onto the boat tricky. One painful reminder from the field: someone reported a shoulder dislocation during a rough return, and the guide was very helpful afterward. That’s your cue to be ready for uneven exits and to ask for help early rather than waiting until you’re stuck.

Stop 3: Blue Cave off Dubrovnik for that watery half-light

The final big highlight is the Blue Cave area (about 1 hour). It’s described as a remarkable cavern just off the Dubrovnik coast that impresses people with crystal water and shifting half-light—so the inside feels darker, calmer, and different from open sea.

One honest expectation to set: even though it’s called a cave tour, it’s still a swimming experience, not a boat sightseeing route. People who wanted to see the cave from the boat have been disappointed—here, the cave is for swimmers. You’ll swim in, look around, and then come back out.

If you want photos, plan smart:

• Use a camera or phone setup you trust in wet conditions.
• A waterproof phone charger pouch has been recommended by other swimmers because you’ll likely want to document the moment without worrying about battery life.

Time in the Blue Cave can feel short, but one of the benefits of this style of tour is that you’re not stuck waiting around all day. You get a solid taste, then you return while you’re still excited.

Drinks, snorkeling gear, and food stops that keep the pace friendly

This is a “moving day,” so what you have on hand matters. The tour includes snorkeling equipment (use of the gear), and it includes drinks—specifically one drink at each stop. Options listed include white wine, beer, Coca-Cola, Fanta, and water.

Two practical reminders:

• Drinks are not unlimited, so pace yourself (especially if you’re swimming and you feel even slightly tired).
• Towels and swim gear like swim suits are not included. Bring a towel and wear something you can dry quickly.

Snacks are also not included. That’s fine because the sandy beach stop gives you a chance to buy food at beach bars, and you can use that time to reset your energy before the next swim.

If you’re the type who likes a specific fit for snorkel breathing, you might prefer your own gear. The tour does provide snorkeling equipment, but you should go with whatever gives you the most comfort.

Getting there: meeting point, pickup limits, and the bumpy reality

The tour starts and ends at Knjižnica za društvene znanosti, Lapadska obala 7, 20000, Dubrovnik. If you choose pickup, it’s limited to the Dubrovnik city area only, and it’s not available for stays less than 1 km from the starting point.

Pickup timing can vary, usually scheduled between 45 minutes and 5 minutes before departure, and you’re asked to contact the operator for exact pickup details. If you don’t, you take a real risk of missing the transfer and losing your slot.

Now for the reality check: boat days on this coast can be choppy. Some people describe a bumpy ride and cold water depending on the time of year. If you get motion sickness easily, this is not the day to tough it out. If you’re even on the fence, consider how you feel on ferries and open-water boats.

A simple strategy helps: bring a warm layer for right after swimming, and plan to dry quickly. You’ll feel better on the next stop.

Who should book this Blue Cave small-group tour

This tour fits best if you want an active half-day—beach swimming, snorkeling, and cave swimming—and you feel comfortable in open water.

You’ll likely love it if:

• You like the idea of multiple swim stops rather than one photo stop.
• You want a max 12 group so the crew can manage the day without chaos.
• You’re comfortable following instructions when waves pick up.
• You enjoy a “small adventure” length—about four hours total.

I’d skip it if:

• You don’t swim or you’re not confident in water entry and exit.
• You get seasick.
• You want the cave experience to be mostly from inside a boat.

Also, going in the morning can matter. The afternoon cave-and-beach plan shifts after Sep 15 due to Sunj Beach shading, and you’ll get a different mix on the Lopud side instead.

Should you book it?

Book this tour if you’re chasing the real thing: cave swimming, a proper beach reset at Sunj, and a day that feels busy in a good way without turning into an all-day slog. The included drinks, snorkeling gear, and the small-group cap make it feel like good value, especially if you’re traveling with a few hours of freedom and a strong willingness to get wet.

Don’t book it if you’re looking for an easy sightseeing cruise. The caves here require swimming skills, and the boat ride can be bumpy and chilly.

If you’re a confident swimmer, this is one of the most direct ways to turn Dubrovnik into a “real water” day on the Elaphiti Islands.

FAQ

How long is the Blue Cave small-group tour?

The tour runs for about 4 hours (approx.), with time split across Sunj Beach, Koločep Island caves, and the Blue Cave area.

Does pickup include hotels near Dubrovnik?

Pickup is available only if you select the pickup option, and it covers the Dubrovnik city area only. Pickup isn’t available for stays less than 1 km from the starting point.

What do I need for the cave part?

You enter/visit the caves by swimming, not from the boat. This tour requires essential swimming skills, and it’s not recommended for non-swimmers.

Are snorkeling masks and gear provided?

Yes. The tour includes use of snorkeling equipment.

What drinks are included and are they unlimited?

You get one drink at each stop: white wine, beer, Coca-Cola, Fanta, and water. Drinks are not unlimited.

Does the afternoon tour always include Sunj Beach?

No. Starting September 15, the afternoon tour will no longer go to Sunj Beach due to shade. It instead visits the village of Lopud, which has sandy beaches plus other sight and food options.