Blue Cave Private Speedboat Tour from Kotor: Swim & Explore

Fifty minutes to the Blue Cave, then inside to swim where the light turns the water electric.

A private speedboat tour of Boka Bay departing from Kotor takes you to the Blue Cave for a swim, then past Mamula Fortress and into World War 2 submarine tunnels, with stops at Our Lady of the Rocks island and a panoramic pass by Perast Old Town. Your guide is a professional captain with commercial shipping experience who narrates the history of each site as you cruise.

Step-by-step itinerary

Stops and time spent at each

1. Blue Cave20m
2. Our Lady of the Rocks30m

Blue Cave and Boka Bay Highlights

• Start tour from Kotor
• Panoramic boat ride to Blue Cave
• Stop at Blue Cave for photos and swimming
• Pass Mamula Fortress hotel
• Explore World War 2 submarine tunnels
• Stop at Our Lady of the Rocks island
• Panoramic boat ride past Perast Old Town
• Return to Kotor

The experience

You start from Kotor and spend the first 50 minutes cruising through Boka Bay (one of the Adriatic's deepest natural harbors) before reaching the Blue Cave. The boat enters the cave itself so you can photograph it and swim inside, where the water glows an intense blue from light reflecting off the limestone walls and seafloor. The guide points out the geography and history as you move through the bay, so the sightseeing has context rather than just names.

After the cave, you pass Mamula Fortress, a 19th-century structure that served as a prison and now operates as a hotel, then enter the World War 2 submarine tunnels carved into the rock: a less-visited part of the bay's military history. On the return, you stop for about 20 minutes at Our Lady of the Rocks, a small island with a church you can explore on foot, and then cruise past the terracotta roofs and stone facades of Perast Old Town before heading back to Kotor.

The tour runs about three hours total and is built for small groups, so the boat doesn't feel crowded and the captain can adjust the itinerary based on what interests you: more time at the cave, a different stop, or a route change if conditions shift. Bottled water is included. You'll need to be comfortable getting in and out of the boat and swimming in open water. The tour suits all fitness levels, and infants can ride on an adult's lap.

What’s included

• Bottled water.
• English-speaking professional captain and guide.
• entry to the Blue Cave, submarine tunnels, and Our Lady of the Rocks.
• pickup included.

Before you book

Days and timesEvery dayDepartures at 09:30 and 14:00

Book up to2h before

GroupPrivate

Live guideEnglish

Meeting point and pickupHotel pickup is optional; you can also go straight to the meeting point. Ends back at the starting point.You can choose from 23 pickup points.

Cancellation and refundsFree cancellation up to 24 h before the start. After that, no refund.It may be canceled due to bad weather or if the minimum number of travelers isn't reached. If that happens, you're offered another date or a refund.

Prices and times updated 16 days ago

Good to know

Low physical effortPublic transport nearbyInfants must sit on laps

Operated by Sirius boat tours Kotor

Is this one for you?The tour is led entirely in English by a captain with commercial shipping experience, so the history and geography come through clearly whether this is your first time in the bay or you want to understand what you're seeing. The small group size and flexible itinerary mean you can linger at the Blue Cave or ask the captain to adjust the route if something catches your interest.

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Top questions

What happens if it rains?

It may be canceled due to bad weather. If that happens, you're offered another date or a refund. Free cancellation up to 24 h before the start.

How long is the boat ride to reach the Blue Cave from Kotor?

The cruise through Boka Bay takes approximately 50 minutes before you arrive at the Blue Cave, where the boat enters the cave so you can swim and photograph inside.

What are the World War 2 submarine tunnels, and can you actually go inside them?

The submarine tunnels are passages carved into the rock during World War 2 and located near Mamula Fortress. Yes, the boat enters them as part of the tour so you can see this piece of the bay's military history firsthand.

Do you get time to explore Our Lady of the Rocks, or is it just a view from the boat?

Our Lady of the Rocks is a stop where you get about 20 minutes to leave the boat and explore the island and its church on foot before returning to the boat for the final leg back to Kotor.

Can the tour be changed if I want to spend more time at one stop or skip another?

Yes, the captain can adjust the itinerary based on your requests, so if you want more time at the Blue Cave or prefer a different route, you can discuss that before or during the tour.

What's included in the tour price, and what do I need to bring?

Bottled water is included. Bring swimwear, a towel, sunscreen and a camera or phone for photos. The tour departs from Kotor, and pickup is included if you need it.