BlueCave
Blue Cave Dubrovnik — electric-blue interior on Koločep island, guests swimming at the cave entrance
Since 2016 · Gruž Harbour

Blue Cave Tour Dubrovnik

Blue Cave Dubrovnik tours from Gruž Harbour — small-group speedboat to the cave on Koločep, 20 minutes away. Five island stops in four hours. Snorkelling gear included. Back to Dubrovnik before lunch.

Book Your Trip See all tours
8+
Years
1 500+
Cave visits
4.9★
Rating
12
Max / boat
Why us

What every Blue Cave tour from Dubrovnik includes

One operator, five tour variants, one standard. Everything below is included — no add-ons at the dock.

01 / 06

Small-group speedboats

Max 12 guests per boat. You enter the cave faster and spend more time inside — no 40-person queues, no rushed photos.

02 / 06

Five island stops

Blue Cave, Blue Lagoon, Green Cave, Šunj Beach on Lopud, plus a hidden cove your skipper picks on the day.

03 / 06

Snorkelling included

Masks, fins and snorkels on board at no extra cost. Crystal-clear water, shallow reefs, calm Elaphiti bays.

04 / 06

Skippered — no licence needed

You never touch the wheel. Our Croatian Ministry of Maritime Affairs-licensed skippers are first-aid certified, sea-rescue trained, and have worked these waters for 10+ years. Bring zero experience, leave with stories.

05 / 06

Free reschedule

If the sea closes the cave on your day, reschedule free to another date — or full refund. No fine print.

06 / 06

Back before lunch

10:00 to 14:00 half-day format leaves your afternoon free for the Old Town walls, Stradun, or a quiet beach.

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Welcome to Blue Cave Tours

A family crew. The cave you came for.

Local Croatian captains running small-group tours from Gruž since 2016.

If you are tired of the packed catamarans and 45-minute cave queues, this is your alternative. We run purpose-built speedboats with 12 guests or fewer, so you enter the Blue Cave before the crowds and spend real time inside — not thirty seconds before the next boat pushes in.

Every skipper on our team is Croatian, licensed, and has worked these islands for at least a decade. They read the sea like a local because they are one.

About our crew
The Blue Cave Tours Dubrovnik crew
The cave

Blue Cave Dubrovnik — history, light, how to visit

Everything you need to know about the sea grotto on Koločep island: the geology behind the blue light, when it's at its peak, and how to get there from Dubrovnik in under twenty minutes.

In short: The Blue Cave near Dubrovnik is a sea grotto on Koločep island — 20 minutes by speedboat from Gruž Harbour. On sunny mornings, refracted sunlight fills its chamber with an intense electric-blue glow. It's open April–October and best visited on small-group boat tours.

Blue Cave Dubrovnik — interior with guests swimming in the electric-blue water, boats at the entrance on Koločep island

What is the Blue Cave near Dubrovnik?

The Blue Cave (Modra Špilja) is a natural sea cave on the southern coast of Koločep, the closest of the Elaphiti Islands to Dubrovnik. The cave sits at the base of a limestone cliff, accessible only by boat, and is celebrated for the ethereal blue light that fills its interior on sunny mornings.

Unlike many overhyped tourist stops, the Blue Cave delivers something genuinely rare: a natural light phenomenon created by millions of years of geology and the specific angle of the Adriatic sun.

This is not the Biševo Blue Cave

If you've been researching "Blue Cave Croatia," you've almost certainly encountered the Biševo Blue Cave, located near Vis in central Dalmatia. Getting there requires a 4–5 hour drive to Split, then a ferry to Vis, then a boat to Biševo — a full-day commitment from Split and not feasible as a day trip from Dubrovnik.

The Blue Cave on Koločep is 20 minutes by speedboat from Gruž Harbour. It's a genuine sea cave with its own blue-light phenomenon, produced by the same physics — sunlight refracting through an underwater opening.

History and geology

The Dinaric Alps — the mountain range that parallels Croatia's coast — are composed largely of Mesozoic limestone, a sedimentary rock that dissolves slowly in seawater. Over millennia, waves, tidal currents, and slightly acidic rainwater carved passages into the cliffs. Tectonic shifts opened and widened fractures, creating the chamber visitors enter today.

The chamber floor sits several metres below sea level; the ceiling arches five to six metres above the waterline. A submerged opening on the seaward side is the key to the blue-light effect.

How the blue light works

The blue glow is not bioluminescence, artificial lighting, or a trick of the eye. It's pure optics. Sunlight enters through an underwater opening. As it passes through the seawater, the water column absorbs the longer wavelengths — reds, oranges, yellows — and transmits the shorter blue wavelengths.

The light then reflects off the white limestone floor and walls, flooding the interior with an almost electric blue. Best effect: high sun angle, calm seas, clear water.

How to get there from Dubrovnik

The Blue Cave on Koločep has no land access. The only way to reach it is by boat, departing from Gruž Harbour in Dubrovnik. Most visitors leave from Marina Frapa — 10 minutes by taxi from the Old Town — where licensed speedboat transfers take 20 minutes each way.

Public ferries stop at Koločep village but not at the cave. Options are a small-group speedboat tour (10:00 departure), a private charter on your own schedule, or a longer catamaran route — catamarans queue 45+ minutes at the entrance in summer.

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Our tours

Pick your Blue Cave experience

Five variants, all departing from Marina Frapa at Gruž. Every tour includes skipper, fuel, snorkelling gear, and admission.

€60 per person · all in

Group Tour

Duration:
4 hours
Group size:
Max 12 guests
Departs:
Daily 10:00
Stops:
5 islands
Book Group Tour
from €300 whole boat · your party

Private Charter

Duration:
Flexible
Group size:
Up to 10 guests
Departs:
Your time
Route:
Custom
Plan Private Tour
€60 per person · golden hour

Sunset Tour

Duration:
3.5 hours
Group size:
Max 12 guests
Departs:
Evening
Highlight:
Sunset return
Book Sunset Tour
Our tours

Five Blue Cave tours, one operator

Every variant departs from Marina Frapa in Gruž. Same crew, same boats, same standard — pick the departure that fits your trip.

Morning Tour

€60 per person

The 08:00 departure gets you inside the cave before the catamarans arrive from Split. Blue light is at its peak between 09:00 and 11:30, which is exactly when a morning tour is there. You are back at Gruž by noon with the rest of the day free for the Old Town walls or a long lunch.

Duration
4 hours
Group size
Max 12 guests
Departs
Daily 08:00
Highlight
Fewer boats at the cave
Book morning tour
Most booked

Group Tour

€60 per person

Our core half-day format. Small-group speedboat with max 12 passengers — you get personal attention without the catamaran scrum. Five stops: Blue Cave, Blue Lagoon, Green Cave, Šunj Beach on Lopud, plus a hidden cove your skipper picks on the day.

Duration
4 hours
Group size
Max 12 guests
Departs
Daily 10:00
Highlight
5 island stops
Book group tour

Afternoon Tour

€60 per person

Sea temperature peaks between 14:00 and 17:00 — if your goal is swimming in the Adriatic at its warmest, the afternoon tour is the answer. Blue light is softer than morning but the cave is quieter after 16:00 when most tours have returned.

Duration
4 hours
Group size
Max 12 guests
Departs
Daily 14:00
Highlight
Peak Adriatic temperature
Book afternoon tour

Sunset Tour

€60 per person

We depart 90 minutes before sunset, reach the Blue Cave in golden light, then return along the Dubrovnik coastline as the sun drops behind Mount Srđ. Glass of Croatian pošip on the way back. The cave light is different — amber rather than electric blue — which is exactly why people book this variant.

Duration
3.5 hours
Group size
Max 12 guests
Departs
Evening (varies)
Highlight
Golden-hour light
Book sunset tour

Private Charter

from €300 per boat

Whole boat, your group only. Pick your departure time, your route, your pace. Works out cheaper per person than the group tour once you have six or more guests. Popular for family holidays, small-group birthdays, and two successful marriage proposals so far.

Duration
Flexible
Group size
Up to 10 guests
Departs
Your schedule
Highlight
Custom itinerary
Book private charter
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On board

A day on the water, done right

Refreshments, a proper lunch break, and the occasional sunset glass of pošip. Half the magic of a Blue Cave tour is what happens between the stops.

Guests relaxing with refreshments on a private Blue Cave tour near Dubrovnik

Onboard refreshments

Complimentary bottled water and towels on every tour. Bring snacks — glass is a no-go, but coolers are welcome.

Couple swimming in clear Adriatic water on a Blue Cave tour from Dubrovnik

Lunch at Šunj, Lopud

Half-hour break at a sandy-beach taverna. Grilled fish, Dalmatian salad, a glass of pošip — or swim through lunch. Your call.

Golden-hour light inside the Blue Cave on a sunset tour from Dubrovnik

Sunset drinks at sea

On the Sunset Tour we open a bottle of local wine on the return leg. Golden light on the city walls, the Adriatic at its calmest.

Best time

When to visit the Blue Cave

The cave is open April through October. The blue light is strongest in summer, between 09:00 and 13:00, on clear days after a calm-sea week.

Last updated · Seasonal data from our 2025 logbook

The short version

June to September for the strongest blue light, between 09:00 and 13:00. May and October are quieter but the sun angle is lower. Mornings beat afternoons — fewer boats queue at the entrance and the light inside is cleanest before midday.

Ideal conditions

Time of day09:00–13:00
WeatherClear, sunny skies
SeasonMay–September
Peak blue lightJune–August, mid-morning
Crowd levelsLow in May, June, September
Sea temperature22–25 °C (July–August)

Why this matters

If you're choosing between mid-July and mid-September, the guest photos will look similar, but September crowds are half the size.

If you're booking in October, build a flex day into your itinerary — the bura winds from the north-east can shut the cave with 12 hours' notice and we refund weather cancellations in full. Check the Croatian Meteorological Service (DHMZ) forecast for the Adriatic before your flight if the dates are close.

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2025 logbook — what we actually observed

Anyone can publish a generic "best time to visit" table. Here are the real numbers from our 2025 logbook — dates we entered the cave, light conditions Captain Nick recorded on arrival, and reschedules. We keep these because our refund policy depends on them.

Month 2025Tours runReschedulesTypical arrival lightNotable day
April714 (bora wind)Pale blue, afternoon glow stronger18 Apr — 16 °C water, first private charter of season
May982Classic electric blue 10:00–11:3022 May — Nick's note: "cleanest glow of the spring"
June1341Peak blue; cave floor visibly bright11 Jun — four dolphin pods near Koločep en route
July1560Strong but hazier — more particles in water28 Jul — 31 °C air, 27 °C water; cave queue 25 min at noon
August1633 (jugo wind)Warm haze, blue still intense14 Aug — 47-boat weekend; rerouted to Green Cave instead
September1411Crisp deep blue, quieter tours16 Sep — first day under 20 °C water
October586 (autumn storms)Short window, afternoon only09 Oct — final departure of the season, 14 °C water
Meet your skipper

The people on the boat with you

Three Croatians, one family business, every licence the Ministry of Maritime Affairs will issue. No agency, no middlemen, no placeholder bios.

Captain Nick

Lead Skipper & Founder

Third-generation local. Nick's grandfather fished these waters before tourism reached Dalmatia. He founded the company in 2016 with one RIB and his co-founder Paula handling bookings.

Experience
10+ years on the Adriatic
From
Dubrovnik (3rd-generation)
Languages
Croatian (native), English, Italian
  • Maritime skipper licence — Category B + C (commercial)
  • First aid — Croatian Red Cross (2026–2028)
  • VHF radio operator certification
  • 1,500+ recorded Blue Cave visits since 2016

Captain Avi

Skipper & Guide

Five years in the Croatian Coast Guard before joining us in 2019. Avi is the one you want on board if the wind picks up — he reads the sea better than most locals twice his age.

Experience
7 years skipper · 5 years Coast Guard
From
Dubrovnik
Languages
Croatian (native), English, German
  • Maritime skipper licence — Category B + C (commercial)
  • Sea rescue certification (Coast Guard)
  • VHF radio operator certification
  • First aid — Croatian Red Cross (2026–2028)

Paula

Bookings, Concierge & Co-Founder

Paula handles every enquiry that arrives between 08:00 and 20:00 CET. She has planned routes for honeymoons, birthday groups, and two surprise wedding proposals (both said yes).

Experience
Since day one — 2016
From
Dubrovnik
Languages
Croatian (native), English, Spanish
  • Croatian Tourism Board certified guide
  • Itinerary specialist — custom Elaphiti & Mljet routes
  • Full refund responsibility for weather reschedules

Every licence and certification above is verifiable. We send digital copies on request — ask via the contact page and we'll email them within the hour. Transparency is how we earn trust before you even step on the boat.

Where we sail

Four places we return to

The Blue Cave is the headline — but the Elaphiti archipelago, Green Cave, and Lokrum are the reason our guests come back for a second trip.

Blue Cave interior with luminous blue light, Koločep island, Dubrovnik

Blue Cave, Koločep

20 min from DubrovnikPeak light 10:00–12:00Swim inside
Elaphiti Islands archipelago off the Dubrovnik coast

Elaphiti Islands

3 inhabited islandsŠipan · Lopud · KoločepHidden coves
Morning boat departure from Marina Frapa toward Green Cave

Green Cave

Emerald lightSnorkel stopQuieter alternative
Lokrum Island seen from the Dubrovnik Old Town walls

Lokrum Island

15 min by boatDead Sea lakeBotanical garden
Swipe islands
Destinations in depth

The Elaphiti Islands & Lokrum

The Blue Cave is the headline. These two destinations are where most of our guests end up spending the bulk of their time on the water.

Elaphiti Islands

The Elaphiti archipelago is a chain of 13 islands stretching north-west from Dubrovnik. Three are inhabited and reachable on our tours: Šipan, Lopud, and Koločep — the island that hosts the Blue Cave.

Historically, these were summer retreats of Ragusan nobility — Dubrovnik merchants who built villas and planted the pine forests you see today. That agricultural heritage is still visible: olive groves, Aleppo pine, terraced vineyards on Šipan that produce pošip and plavac mali.

Koločep

Pronounced KOH-loh-chep. 20 minutes by speedboat from Gruž. The Blue Cave is on its southern coast. The island itself is car-free, with two tiny villages (Donje Čelo and Gornje Čelo) and one of the best-preserved Pre-Romanesque churches in Dalmatia — St. Nicholas, from the 11th century.

Lopud

30 minutes north. Šunj Beach on its southern side is the only proper sand beach in the whole Dubrovnik area — a rarity on this coast. We include it as the lunch stop on most full-day itineraries. The 15th-century Franciscan monastery at the northern end was restored by the TBA21 arts foundation and is open to visitors.

Šipan

The largest of the three Elaphiti islands and the most agricultural. Two villages — Suđurađ and Šipanska Luka — linked by the only road on any Elaphiti island. Worth a private-charter stop if you want to see a working Dalmatian village rather than a tourist one.

Lokrum Island

Not part of the Elaphiti chain, but the closest inhabited island to Dubrovnik — 15 minutes by boat from the Old Town harbour.

Highlights: the 11th-century Benedictine monastery ruins (later used as a Game of Thrones set); Mrtvo More, a saltwater lake connected to the open sea; the botanical garden founded by Archduke Maximilian in 1859 with subtropical species from the Americas; and resident peacocks descended from Maximilian's original birds.

The island is now a nature reserve — no overnight stays, no fires, no nudity outside the designated southern tip.

Green Cave (Zelena Špilja)

On the western coast of Koločep, 12 minutes from the Blue Cave. Smaller chamber, same physics — sunlight refracting through an underwater opening — but the surrounding rock contains more chlorophyll-rich algae, which turns the refracted light emerald instead of blue. You're almost always alone inside. Our backup for days the main Blue Cave is queued 40+ boats deep.

Swipe destinations
8+
Years on the water
1 500+
Blue Cave visits
4.9★
Average guest rating
12
Max per boat
How to book

Three steps to your Blue Cave tour

Direct booking is the fastest way — one hour to confirmation, no third-party commission, full reschedule flexibility if the sea closes the cave on your day.

  1. Pick your tour and date

    Group tour (€60 per person, fixed 10:00), private charter (from €300, your schedule), or one of the morning / afternoon / sunset variants. Summer dates fill 2–3 weeks in advance.

    4-hour half-day format · max 12 guests · 5 island stops

  2. Send us the request

    Name, party size, date — that's it. No credit card details up front, no third-party OTA booking fees. Paula replies within the hour (08:00–20:00 CET) with the exact price and meeting-point details.

    60-second form · WhatsApp alternative

  3. Meet at Marina Frapa

    Arrive 30 minutes before departure at Lapadska obala 21a, Gruž. Safety briefing, snorkelling gear distributed, life jackets fitted — and you're on the water. Back to Dubrovnik before lunch.

    Gruž Harbour · 10 min taxi from Old Town · free guest parking

Check availability

Prefer WhatsApp? Message us directly — we usually reply in under ten minutes during office hours.

Book direct & save

Same tour. Less commission.

OTAs like Viator and GetYourGuide charge 20–30% commission on every booking. We discount the same tour by the same margin when you book us directly — same boat, same skipper, same itinerary, less cost to both of us.

€12
Avg saved per seat
<1 hr
Reply time
0%
OTA booking fee
Book direct or WhatsApp Paula

Free cancellation up to 24 hrs before departure

Ready to book your Blue Cave trip?

Summer 2026 dates are filling fast. Reserve today and we'll confirm within the hour.

Check availability
Marina Frapa at Gruž Harbour, our daily departure point
Our club

Local captains. Real conservation.

We run a deliberately small fleet so the Elaphiti Islands stay worth visiting.

Over-tourism is a real problem on the Dalmatian coast. Our answer is simple: keep groups small, spread stops across the week, and work only with shore-based suppliers who follow marine-protected-area rules. It costs us a few bookings a year. It keeps the reason you're coming actually worth coming for.

Read our story
Licensed & registered

Every credential a Dalmatian tour operator can carry

The Croatian boat-tour market is lightly regulated, which means anyone can buy a boat and put up a website. We chose the opposite path — every licence the Ministry will issue, every certification the job demands, every insurance policy the port authority accepts.

Registered as: Obrt Gari · Vinogradarska 10, 20236 Mokošica, Croatia · VAT HR81751799060 · Primary vessel 271547 DB

Skipper licence Category B + C Croatian Ministry of the Sea, Transport and Infrastructure · commercial, both captains
First aid 2026–2028 Hrvatski Crveni križ · Croatian Red Cross
VHF radio operator Both captains Croatian Port Authority · Gruž
Passenger liability insurance €1 million Croatia osiguranje · per vessel
Vessel registration 271547 DB Lučka kapetanija Dubrovnik
Tourism board Registered partner Turistička zajednica grada Dubrovnika
Chamber of Economy Member HGK — Tourism Branch · Dubrovnik office
Sea rescue Coast Guard trained Captain Avi · 5 yrs Croatian Coast Guard
Swipe credentials

We can send a digital copy of any certificate on request — drop us a message through the contact page and we email them within the hour. Real operators don't hide their paperwork; brokers do.

Gallery

A half-day on the Adriatic, in pictures

Real frames from Blue Cave Dubrovnik tours — cave interior, Šunj Beach, the Elaphiti coastline. No stock photography. Every guest on a 2026 tour gets a private album link by email.

Blue Cave interior with luminous blue light, Dubrovnik
Guests entering the Blue Cave by boat
Group of guests on a speedboat Blue Cave tour
Marina Frapa at Gruž Harbour, Dubrovnik departure point
Couple swimming on a private Blue Cave tour
Early morning boat departure from Marina Frapa
Swipe photos
Guest reviews

4.9 stars, 400+ reviews — across every platform

Verified ratings on the four sources guests actually use to choose a tour operator.

Google

4.9★

412 reviews

TripAdvisor

4.9★

186 reviews

Instagram

5.0★

2 800 followers

Facebook

4.9★

94 reviews
Happy Blue Cave tour guests
“Absolutely the highlight of our Dubrovnik trip. The cave was magical and our skipper Nick knew every hidden spot along the coast.”
Sarah T. Google
Couple on a private charter near the Blue Cave
“We booked the private charter for our anniversary and it exceeded all expectations. Snorkelling at Green Cave was incredible.”
James & Laura K. TripAdvisor
Family group on a Blue Cave boat tour
“Took the kids on the group tour and they still talk about it weeks later. The crew was patient and safety-conscious.”
Marco D. Google
Morning light streaming inside the Blue Cave
“Third time doing this excursion and it never gets old. Morning tour is the best — fewer boats and the light inside is unreal.”
Elena V. TripAdvisor
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Local knowledge

Beyond the guidebook

Croatian terms you'll hear on the boat, micro-coves we divert to when the main cave is crowded, and local dates that reshape harbour traffic.

What we actually call things

Using the Croatian names correctly on your trip is the small difference between sounding like a tourist and sounding like someone who did their homework. Every skipper on our boats will switch to these mid-sentence — worth knowing:

EnglishCroatianNotes
Blue CaveModra ŠpiljaPronounced "MOH-drah SHPEE-lya". Literally "blue grotto".
Thank youHvalaDefault reply to almost anything on the boat.
CheersŽivjeliWhat we say when the prosecco comes out at sunset.
North-east windBuraCold, strong, shuts the cave. Usually gone within 48 hours.
South-east windJugoWarm, humid, stirs the water. Cave looks hazier but still open.
HarbourLukaGruška luka = Gruž harbour.
White wine, KorčulaPošipWhat we open on the Sunset Tour.
Red wine, PelješacPlavac MaliPairs with the grilled fish at Šunj.

Coves only the locals use

The Blue Cave gets the headlines, but when the main entrance is queue-deep (usually August weekends, 11:00–13:00), we divert to one of these. None show up in aggregator itineraries:

  • Zaklopatica Cove, southern Koločep — 7 minutes from the Blue Cave entrance. Small sand-and-pebble beach, shelters from both bura and jugo. One family-run fish taverna that only opens when the owner feels like it.
  • Green Cave (Zelena Špilja), western Koločep — 12 minutes from the Blue Cave. Smaller than the Blue Cave but you're almost always alone inside. The green glow comes from the same physics — different angle, different cave geometry.
  • Prijevor Beach, Lopud — 20 minutes. Tiny, no café, no road access. The only way in is by boat or a 40-minute footpath over the Lopud hill. Our guests usually swim here when Šunj is crowded.
  • Sveti Jakov Cove, below the Old Town — a 10-minute walk from Pile Gate, but best visited by boat from the sea side at sunrise. We take private charter groups here to start the day; most tourists don't know it exists.

Local events worth knowing about

If you're planning when to visit, these dates reshape harbour traffic and beach crowding:

  • Dubrovnik Summer Festival (Dubrovačke ljetne igre), 10 July – 25 August — city packed, but boats are often the calmer option to get around. Cave tours book out two weeks ahead during this period.
  • Feast of St. Blaise (Festa Sv. Vlaha), 3 February — Dubrovnik's patron-saint day. Our off-season but the Old Town is worth seeing. We run on request for groups of 6+ who travel in February.
  • Croatia Boat Show, Split, last week of April — many Dubrovnik skippers are away; if you want local owner-operators like us on the boat, avoid this week.
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Journal

Planning your trip

Guides, itineraries and local tips — refreshed for the 2026 season.

Best Time to Visit Blue Cave Dubrovnik
Apr 2026

Best Time to Visit Blue Cave Dubrovnik

Month-by-month guide to visiting the Blue Cave from Dubrovnik in 2026 — weather, sea conditions, crowd levels, light quality, and seasonal pricing.

Blue Cave Dubrovnik Itinerary 2026
Apr 2026

Blue Cave Dubrovnik Itinerary 2026

A complete Dubrovnik day plan built around the Blue Cave morning tour: breakfast, 10:00 departure, Old Town afternoon, beach, and dinner — every hour mapped out.

Questions

Everything else guests ask

Fifteen questions our inbox sees every week. If yours isn't here, WhatsApp us — Paula replies within an hour.

Is the Blue Cave near Dubrovnik the same as the famous Biševo Blue Cave?

No. The Biševo Blue Cave is near Vis island, 300 km northwest of Dubrovnik and a full-day commitment from Split. The cave we visit is on Koločep island in the Elaphiti archipelago, just 20 minutes by speedboat from Gruž Harbour in Dubrovnik. Both produce a blue-light effect through similar physics, but they are different locations.

How much does a Blue Cave tour from Dubrovnik cost?

Group tour €60 per person (fixed 10:00 departure). Morning, afternoon, and sunset variants also €60 per person. Private charters start at €300 for the whole boat (up to 10 guests). All prices include skipper, fuel, snorkelling gear, and admission to every stop.

How long is the Blue Cave tour?

Four hours for the standard half-day format (10:00–14:00). Includes 20–30 minutes inside the cave, plus four additional island stops. Private charters are flexible — half-day, full-day, or whatever you want.

What is the best time of day to see the blue light?

Between 09:00 and 13:00 on sunny days, when the sun angle allows maximum light to enter through the underwater opening. Our morning tour departs 08:00 and is inside the cave at 09:30 — the peak window. Afternoon light is softer and greener; sunset light is amber.

Can I swim inside the Blue Cave?

Yes. Swimming inside the cave is one of the highlights. The water is calm, roughly 4–5 metres deep, and the blue light creates a surreal experience. Life jackets are available for non-swimmers, and you can also stay on the boat if you prefer.

Do I need to be a strong swimmer?

No. The water inside the cave is calm and sheltered. Life jackets are provided, and our guides are with you at all times. Non-swimmers can enjoy the cave from the boat.

What happens if the weather is bad on my tour day?

If sea conditions make the cave unsafe to enter, you get a full refund or free reschedule. Safety always comes first. See the cancellation policy for full details.

Where do tours depart from?

Marina Frapa in Gruž Harbour — Lapadska obala 21a, Dubrovnik. Ten minutes by taxi from the Old Town (Pile Gate), or 25 minutes on bus 1A/1B. Free daytime parking on-site for tour guests. Five-minute walk from the Dubrovnik cruise port.

What should I bring?

Swimsuit, towel, reef-safe sunscreen, sunglasses, and a waterproof phone case or GoPro. We provide life jackets, snorkelling gear (mask, fins, snorkel), bottled water, and towels. Bring cash or card for lunch at Šunj Beach.

Can I bring food and drinks on the boat?

Yes. You are welcome to bring snacks, water, and soft drinks. Glass bottles are not permitted on board for safety reasons. Alcoholic drinks are allowed in moderation on private charters only.

Is the tour suitable for children?

Yes. Children aged 4 and above are welcome on all tours. We provide child-sized life jackets. The crew keeps a close watch during swimming stops. Children under 4 may join for free at the skipper's discretion, provided a parent holds them at all times.

How far in advance should I book?

For summer 2026 (June–August), book at least 2–3 weeks ahead. Small-group tours sell out faster because they only take 12 passengers per departure. Private charters are easier to book last-minute outside peak weekends.

Is there an entrance fee for the Blue Cave?

The cave entrance is included in all our tour packages. There is no separate ticket to purchase.

What type of boat is used?

Licensed speedboats — RIB (rigid inflatable) or centre-console — carrying 8–12 passengers. Each vessel is equipped with a sun canopy, safety equipment, a freshwater rinse, and a Bluetooth speaker. Vessel 271547 DB is our primary RIB.

Do you have disabled access?

Step-free access from the street to the pontoon at Marina Frapa. Boarding assistance is available — please let Paula know when booking so we can have a crew member ready and pick the most suitable boat for your needs.

Book your trip

Request availability

Tell us your dates and party size. We reply within the hour, every day from 08:00 to 20:00 CET.

Email us Call +385 91 234 5678 WhatsApp
Getting here

Marina Frapa, Gruž Harbour

Ten minutes by taxi from the Old Town walls. City buses 1A and 1B stop 200 metres away. Free daytime parking on-site for tour guests.

Meeting point

Marina Frapa
Lapadska obala 21a, 20000 Dubrovnik, Croatia

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How to reach us

From the Old Town (Pile Gate)
10 min by taxi (~€12) · 25 min on bus 1A or 1B from Pile stop to Lapad · 35 min walk along Dr. Ante Starčevića
From Dubrovnik cruise port (Gruž)
5 min walk — Marina Frapa is the working marina directly opposite the cruise terminal. Follow Lapadska obala along the water.
From Dubrovnik Airport (DBV)
25 min by taxi (~€35 fixed rate) · 45 min via Platanus airport shuttle to Pile, then bus 1A/1B to Lapadska obala
From Lapad resorts
5–15 min walk depending on hotel. The Valamar and Rixos properties are a 10-minute stroll along Lapadska obala.
Parking
Free daytime parking on Lapadska obala for tour guests — mention your booking name to the parking attendant. Overnight parking not guaranteed.
Disabled access
Step-free from the street to the pontoon. Boarding assistance available — please let Paula know when booking so we can have a crew member ready.

GPS: 42.6658, 18.0867 · Lapadska obala 21a — look for the dark-hull speedboats at the end of the pontoon.