Kotor Bay: Blue Cave Cruise, Perast & Our Lady of the Rocks

Summary

Swim blue caves wander Perast sip champagne see Our Lady island

You’ll cruise from Kotor Bay past Mamula prison island and swim in glowing blue waters inside the Blue Cave before exploring Perast’s islands and Our Lady of the Rocks church with your local guide. There’s time for lunch at Porto Montenegro and plenty of small moments—like fruit and champagne on deck—that make this day linger in your memory.

What’s the experience like?

The first thing I remember is the sound — that hollow clinking of glasses when our guide handed out champagne just after we pushed off from Kotor. The bay looked almost too calm, like it was holding its breath. Someone’s hat nearly flew off in the breeze and everyone laughed, even our captain. I didn’t expect to feel so instantly at ease with strangers. The air smelled a little salty and sharp, but there was this undercurrent of wildflowers somewhere on shore — or maybe that was just my imagination running ahead.

We reached the Blue Cave after skimming past Mamula, which looked both beautiful and a bit haunted (our guide called it “the Alcatraz of Montenegro” in this dry voice). Swimming inside that cave felt surreal — the water really does glow electric blue underneath you. I kept ducking my head under just to see how weirdly bright it got. It’s colder than you’d think, but you get used to it fast. On the way back through Kotor Bay, we drifted by tiny fishing villages where old men waved from their boats. There was a moment when we slipped into one of those old Yugoslavian military tunnels; everything went quiet except for water lapping against concrete walls. Kind of eerie but also cool? Hard to explain unless you’re there.

Lunch at Porto Montenegro was a blur of grilled fish and sunburned shoulders (I forgot my sunscreen — classic). After that, we headed for Our Lady of the Rocks island. By then most tourists were gone and it felt like we had the place to ourselves. The church is small but packed with stories; our guide pointed out a tapestry made by a local woman using her own hair — I still think about that detail sometimes. On the ride back, everyone got quiet watching the sky go pink over the mountains. Not sure if it was tiredness or just not wanting to break whatever spell that was.

Step-by-step itinerary

Day 1 — Kotor Bay Cruise and Sightseeing

• Embark in Kotor
• Enjoy welcoming champagne
• First swimming break
• Sail to Blue Cave
• Swim in fluorescent blue water
• Pass Mamula former prison
• Pass fisherman’s villages
• Explore Yugoslavian military tunnels
• Lunch break at Porto Montenegro
• Visit Our Lady of Rocks island
• Return to Kotor enjoying sunset

Top questions

How long does the Kotor Bay cruise last?

The tour lasts a full day with several stops including swimming breaks, lunch, and visits to islands.

Is swimming in the Blue Cave included?

Yes, swimming inside the Blue Cave is part of this Kotor boat tour itinerary.

Are drinks or food provided on board?

Welcoming drinks like champagne and rakija plus fresh fruit are included; lunch is at Porto Montenegro (not onboard).

Does this tour include entrance fees?

Yes, entrance fees for Our Lady of the Rocks church and museum are included.

What should I bring for this day trip?

You should bring swimsuits, towel, sunscreen, sunglasses, hat, and clothing suitable for visiting churches.

Is pickup available for this Kotor cruise?

No hotel pickup is mentioned; starting point is in Kotor city near public transport options.

Can infants join this boat tour?

Yes, infants can join but must sit on an adult’s lap during the cruise.

Will we visit Perast during this day trip?

The cruise passes by Perast’s islands including Our Lady of the Rocks with time to explore ashore.

What happens if weather is bad at sea?

If conditions are unsafe for visiting Blue Cave, another activity will be substituted for safety reasons.

What’s included

Your day includes transportation by custom-made boat from Kotor Bay with a professional English or Russian-speaking guide; welcoming drinks (champagne and rakija) plus fresh fruit; all entrance fees for Our Lady of the Rocks church and museum; swimming stops including time inside Blue Cave; a lunch break at Porto Montenegro (lunch cost not included); and all necessary logistics so you can just show up ready to explore.