⭐ 5.0 (691 reviews)

Blue Cave Tour from Dubrovnik by Speedboat

Explore glowing sea caves, crystal-clear Adriatic waters, and a stunning sandy beach on an intimate small-group adventure through the Elafiti Islands.

Featured Tour

Discover the Blue & Green Caves by Speedboat

The Blue & Green Cave, Sunj beach Small Group Tour with Speedboat is your ticket to one of the Adriatic's most breathtaking natural wonders. Departing at 8:30 AM from June 1 through September 15 to beat the crowds, this intimate speedboat journey takes you to the legendary Blue Cave on Kolocep Island, where sunlight refracts through the water and bounces off white sand to fill the grotto in an otherworldly electric-blue glow. You'll then glide on to three emerald-hued Green Caves before dropping anchor in the crystalline sea for swimming and snorkelling. The tour wraps up at the gorgeous sandy Sunj beach on Lopud Island, where a charming bar nestled in the woods awaits. A complimentary drink — beer, white wine, or water — is included for guests aged 18 and above, letting you toast the scenery in style.

  • Enter the electric-blue glow of Blue Cave on Kolocep Island
  • Visit three Green Caves with emerald, crystal-clear waters
  • Swim and snorkel in some of the clearest sea in the world
  • Relax on the sandy Sunj beach with a bar set among the trees
  • Complimentary drink on board for adults — beer, wine, or water
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⭐ 5.0 (691 reviews) Blue & Green Cave,Sunj beach Small Group Tour with Speedboat
Blue & Green Cave,Sunj beach Small Group Tour with Speedboat
Blue & Green Cave,Sunj beach Small Group Tour with Speedboat
Blue & Green Cave,Sunj beach Small Group Tour with Speedboat
Blue & Green Cave,Sunj beach Small Group Tour with Speedboat

About This Experience

A Morning Speedboat Escape Through the Elafiti Islands

Setting off at 8:30 AM every morning from June through mid-September, this tour is deliberately scheduled early to give your small group a peaceful, unhurried visit to the Blue Cave before the larger afternoon crowds arrive. The speedboat covers distance quickly, meaning more time floating inside the caves and less time in transit. It is one of the most rewarding half-day excursions available along the entire Dalmatian coast.

The Blue Cave on the southern shore of Kolocep is the undisputed highlight — a natural sea cavern where sunlight enters beneath the waterline, scattering across the sandy bottom and bathing the entire interior in an intense cobalt-blue radiance. After marvelling at the blue grotto, the boat moves on to three nearby Green Caves, each carved by centuries of wave action and each offering its own shade of turquoise and emerald that begs you to jump in and snorkel.

The final chapter of the journey is the legendary Sunj beach on Lopud Island, one of the only sandy beaches in the Dubrovnik area and a beloved favourite among locals and travellers alike. Tucked behind pine and oak woods, the beach bar here offers cool shade and refreshing drinks, making it the perfect place to unwind before the speedboat whisks you back. The entire experience is guided, friendly, and capped at a small group size for a genuinely personal feel.

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Duration Half-day (approx. 4–5 hours)
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Group Size Small group tour
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Departure Time 8:30 AM (Jun 1 – Sep 15)
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What's Included Speedboat, guide & 1 free drink
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Difficulty Easy — suitable for most guests
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Languages English

Travel Guide

Blue Cave Tour From Dubrovnik Everything You Need to Know

Everything You Need to Know Before You Go

What to Bring & Pack

Because you will be boarding a speedboat and spending time both inside sea caves and on an open sandy beach, packing light but smart is essential. Wear your swimsuit under your clothes so you are ready to slip into the water the moment the boat anchors. Sunscreen is a must — the Adriatic sun is intense even in the morning hours, and the boat offers limited shade once you are out on open water between stops.

A small dry bag or waterproof pouch is highly recommended to keep your phone, wallet, and any other valuables safe from sea spray during the speedboat ride. Bring a towel from your accommodation, as they are not provided on board. Comfortable sandals or water shoes are ideal, since you may be stepping onto rocky surfaces near the cave entrances. Snorkelling gear is worth bringing if you have it, though basic gear is sometimes available locally.

  • Swimsuit worn under clothing
  • High-SPF waterproof sunscreen
  • Small dry bag for valuables
  • Towel (not provided on tour)
  • Sunglasses and a hat or cap
  • Water shoes or comfortable sandals
  • Snorkel mask if you own one

What to Expect on the Tour

The adventure begins at the Dubrovnik port at 8:30 AM sharp, where your guide and speedboat will be ready and waiting. The early start is intentional — by arriving at the Blue Cave before larger group operators, your small group gets a genuinely magical, intimate experience inside the glowing cavern. The ride to Kolocep Island is exhilarating, with the open sea breeze and views of the old city fading into the horizon behind you.

After the Blue Cave, the speedboat navigates to the three Green Caves, where you are welcome to swim and snorkel in water so clear it almost looks artificial. The guide will point out the best entry points and things to look for underwater. The final leg brings you to Sunj beach on Lopud Island for free time to relax, swim in calmer waters, or enjoy a drink at the beachside bar before the return journey to Dubrovnik.

  • Meet at Dubrovnik port at 8:30 AM
  • Speedboat ride to Blue Cave on Kolocep
  • Guided cave visit with time inside the grotto
  • Swimming and snorkelling at the Green Caves
  • Free drink served on board the speedboat
  • Free time at Sunj sandy beach on Lopud
  • Return speedboat ride back to Dubrovnik

Good to Know Before You Book

This is a group tour, so while the group is kept small for a better experience, you will be sharing the boat and the stops with other travellers. The morning departure window runs from June 1 to September 15 only, so if you are visiting outside these dates, check with the operator for available scheduling. The free drink is available to adults aged 18 and above — please bring valid ID if you look under the stated age limit, as it will be checked.

Swimming inside the Blue Cave may not always be possible depending on sea conditions and water levels, as cave access is subject to tidal and weather factors. Wear a life jacket as instructed by the crew — it is mandatory on the speedboat. If you are prone to seasickness, consider taking medication beforehand, particularly if sea conditions are choppy. Booking in advance is strongly advised during peak summer months, as spots on this highly-rated tour fill up fast.

  • Book early — spots sell out in peak season
  • Free drink is for adults aged 18+ only (ID may be required)
  • Cave entry depends on sea and weather conditions
  • Life jackets are mandatory on the speedboat
  • Consider seasickness tablets if you are sensitive
  • Arrive at the meeting point at least 10 minutes early
  • Swimming inside the cave may vary by tide level

Traveler Reviews

Blue Cave Tour From Dubrovnik What Visitors Are Saying

See why travelers rave about this blue cave tour from Dubrovnik — real experiences, honest opinions.

★★★★★

"Absolutely the highlight of our entire Croatia trip. The Blue Cave's glowing turquoise light was something we had never seen before, and our guide made sure we arrived early enough to beat the crowds. Sunj beach on Lopud island was a perfect way to wind down after all the cave hopping. Couldn't recommend this experience more highly to anyone visiting the coast."

SM
Sarah M.July 2024
★★★★★

"We did this tour as a family of four and every single one of us came away amazed. The speedboat ride itself was thrilling, and the crew were professional, funny, and genuinely passionate about the islands. The Green Cave stop felt like something out of a nature documentary, with light streaming through the underwater entrance. Booking through Viator was seamless and the small group size made it feel very personal."

JR
James R.August 2024
★★★★☆

"Really enjoyable day out on the water — the caves were stunning and Sunj beach gave us a lovely hour to swim and relax. I'm giving four stars only because we had a short delay at the Blue Cave entrance due to other tour boats queuing, which wasn't the operator's fault at all. The guide kept spirits high with local stories and snack recommendations on the island. Overall a brilliant way to spend a day exploring the Adriatic."

PN
Petra N.June 2024
★★★★★

"If you're searching for a blue cave tour from Dubrovnik, stop here — this is the one to book. The small group format meant we never felt rushed or like just another tourist. Our skipper knew every hidden corner of the islands and even found us a quiet snorkeling spot not on the official itinerary. The whole day flew by and we were back in Dubrovnik with huge smiles and hundreds of photos."

T&
Tom & Lisa B.September 2024

FAQ

Blue Cave Tour From Dubrovnik Frequently Asked Questions

Everything you need to know before stepping aboard — your most common questions answered.

The Blue & Green Cave, Sunj Beach Small Group Tour with Speedboat includes all boat transfers by private speedboat, a knowledgeable English-speaking guide throughout the day, and entrance to the Blue Cave on Bisevo island. Stops at the Green Cave, Stiniva cove, and Sunj beach on Lopud are also part of the standard itinerary. Snorkeling equipment is provided at no extra cost so you can make the most of the crystal-clear water. Meals and personal drinks are not included, but there are cafes and beach bars at the island stops. Always check your specific booking confirmation on Viator for the most up-to-date inclusions.
The trip typically runs for approximately 8 to 10 hours from departure to return in Dubrovnik. Departure is usually in the early morning, around 7:30–8:00 AM, to ensure you arrive at the Blue Cave before the midday rush of visitors. Travel time between stops varies but the speedboat makes the journey fast and exciting rather than a long slog. You should plan to be back in the late afternoon or early evening, so keep your dinner plans flexible. Exact timings are confirmed in your Viator booking voucher.
Yes, families with children are very welcome on board, though children must be accompanied by a parent or guardian at all times. Life jackets are provided for all passengers and are mandatory during speedboat transfers. Non-swimmers can still enjoy every cave visit and the beach stops — you are never required to enter the water. However, the boat ride can be bumpy on choppy days, so those with young toddlers or severe motion sickness should consider this before booking. The minimum age requirement is typically 4 years old; check the Viator listing for the most current policy.
Pack light but smart: a swimsuit, towel, sunscreen, sunglasses, and a hat are absolute essentials for a full day on the Adriatic. Bring some cash or a card for lunch, drinks, or souvenirs at the island stops, as most beach bars do not accept payment in advance. Reef-safe or biodegradable sunscreen is strongly encouraged to help protect the caves' fragile ecosystem. A waterproof phone case or dry bag is highly recommended since spray from the speedboat is part of the fun. Comfortable footwear with grip is useful for walking the rocky paths to cave entrances.
Safety is always the top priority, and the operator reserves the right to cancel or modify the itinerary if sea conditions are deemed unsafe. In the event of a full cancellation due to weather, you will typically receive a full refund or the option to reschedule — Viator's standard cancellation policy applies. If conditions are mildly choppy, the tour usually proceeds but a particular cave stop may be substituted with an alternative scenic location. You will be notified as early as possible, usually the evening before or early on the morning of departure. It is worth checking the local weather forecast the day before and keeping your phone on for any operator messages.
The meeting point for this blue cave tour from Dubrovnik is at the Old Town harbour area — the exact pier number is confirmed in your Viator booking voucher after purchase. The location is centrally placed and easily walkable from the Old Town walls and most Dubrovnik hotels. Paid public parking is available near Gruž harbour and at a few spots close to the old port, though spaces fill quickly in peak summer months. Using a taxi, Uber, or local bus is often the most stress-free option to reach the departure point on time. Aim to arrive at least 15 minutes before the scheduled departure to meet your guide and get settled.

Ready to discover the caves? Book the Blue & Green Cave, Sunj Beach Small Group Tour with Speedboat and secure your spot today.

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Why This Cave Tour Stands Out

With a perfect 5.0-star rating across 691 reviews, this speedboat excursion has earned its reputation as one of the finest half-day experiences in the region. The early morning departure keeps crowds minimal, the small group format means personal attention from your guide, and the combination of Blue Cave, Green Caves, snorkelling, and a relaxed beach finale gives you an extraordinary variety of highlights in just a single morning. It is the kind of trip that stays with you long after you leave Dubrovnik.

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