Kotor Bay: Speedboat to Lady of the Rock, Mamula & Blue Cave Swim

Summary

Speed across Kotor Bay to island churches, submarine tunnels and blue water caves

You’ll speed across Kotor Bay by boat with a local captain who knows every story behind these waters. Wander Our Lady of the Rocks’ tiny island church, slip through secret submarine tunnels, circle Mamula Fortress from the waves, then jump into the neon-blue cave for a swim you won’t forget soon.

What’s the experience like?

The first thing I remember is the slap of salty spray on my face as we pulled away from Kotor’s old city walls — stone palaces sliding by, all gold in the morning light. Our captain, Marko (he grew up here), steered with one hand and pointed out tiny fishermen’s boats with the other. He had this way of telling stories that made you squint at the water just in case you’d spot something he mentioned — like sunken ships or dolphins. I kept thinking how different the bay feels from land; it’s quieter somehow, but also more alive.

We reached Our Lady of the Rocks after maybe twenty minutes? The island looked almost painted — white church, blue dome, little flags fluttering. Marko explained how locals built it by sinking old ships and piling rocks for centuries. Inside, it smelled faintly of wax and salt. There was an old lady selling postcards who smiled at my terrible attempt at “hvala.” I wandered outside for a minute and just listened to nothing but wind and distant bells — you don’t get that kind of silence back home.

After that we zipped past Porto Montenegro’s yachts (so many shiny boats) and ducked into this submarine tunnel carved right into the cliffs. It was dark and echoey inside — Marko joked about James Bond hiding there once (I’m not sure if he was serious). Then we circled Mamula Fortress — you can’t go inside now because they’re working on it, but hearing about its history during both wars while floating there felt heavy. The sea got brighter as we headed out toward the open water.

The Blue Cave really is... well, blue. Not in a postcard way — more like someone turned up the color just for us. I hesitated before jumping in (cold!), but once you’re swimming under that glowing ceiling you forget everything else. The water tasted sharp and clean. On the way back, Marko handed out cold beers and let us pick music over WiFi (someone played Balkan pop). I still think about that swim sometimes when I close my eyes at night — it sticks with you longer than expected.

Step-by-step itinerary

Day 1 — Speedboat tour of Boka Bay highlights

• Start from city park in Kotor
• Cruise to Our Lady of the Rocks
• Visit church and museum
• Cruise through Verige strait to submarine tunnel
• Visit submarine tunnel
• Cruise to Mamula Fortress
• Sightsee Mamula Fortress from boat
• Cruise to Blue Cave
• Swim and snorkel in Blue Cave
• Cruise back to city park in Kotor

Top questions

How long does the speedboat tour from Kotor take?

The full round trip lasts around 3 hours including stops at each site.

Is swimming in the Blue Cave included?

Yes, there’s time to swim in the Blue Cave with snorkeling gear provided for free.

Where does the tour start?

The tour starts from City Park in Kotor; pickup is available within 4 km of Kotor.

Can I visit inside Mamula Fortress?

No, entry isn’t allowed due to ongoing construction; sightseeing is from the boat only.

Are drinks included on board?

Yes, one drink (beer, water or soft drink) is included for each guest during the tour.

Is there WiFi on the boat?

Yes, free WiFi is available throughout your speedboat ride.

What language does the guide speak?

Your skipper speaks English and is a local from Kotor familiar with Boka Bay history.

Are infants allowed on this tour?

Infants are welcome but must sit on an adult’s lap during travel.

What’s included

Your day includes pickup within 4 km of Kotor city park if needed, all boat rides between stops with a local skipper sharing stories along Boka Bay, entry to Our Lady of the Rocks church and museum if you wish to explore inside, free use of snorkeling gear at Blue Cave for swimming time, plus WiFi onboard and your choice of beer or soft drink before heading back to town.