Reviewed · BLUE CAVE TOURS
Blue Cave Private Speedboat Tour Experience
Boka Bay is best understood from the water, and this private speedboat tour packs its most striking sights into about four hours. You race across the bay to Blue Cave, enter old submarine tunnels, pass Mamula fortress, and stop at Our Lady of the Rocks and Rose.
I like the small private group, which means your timing belongs to you, and I like the mix of swimming, scenery, and local stories. Captain Bosko Markovic is also described as a former merchant marine captain, and his calm handling matters when the ride gets lively.
The main drawback is simple: four hours is a tight schedule for so many places. You get a brisk overview rather than a slow, thorough visit to every stop, and the tour depends on good weather.
In This Review
- Key points to know before booking
- Why Boka Bay works so well from a speedboat
- Blue Cave: the tour’s signature stop
- Mamula and the World War II submarine tunnels
- Rose offers a slower hour by the water
- Our Lady of the Rocks and Perast
- Captain Bosko and the private-boat difference
- Is $421.44 a fair price?
- Timing, pickup, and practical planning
- Who will enjoy this tour most?
- Should you book the Blue Cave speedboat tour?
- FAQ
- Where does the Blue Cave speedboat tour start?
- How long does the tour last?
- How much does the tour cost?
- Is this a private tour?
- Is hotel or marina pickup available?
- Is the tour offered in English?
- Can I swim at Blue Cave?
- Which historic sites are included?
- How far in advance can I cancel?
- What happens if the weather is poor?
Key points to know before booking

- Blue Cave is the main thrill: You enter the cave by boat, stop for photos, and have time to swim.
- The boat reaches places cars cannot: The route includes World War II submarine tunnels and panoramic views of Mamula and Boka Bay.
- Your group stays private: The price is $421.44 for up to six people, so the value improves with a full group.
- Captain Bosko Markovic leads the trip: The experience is offered in English, with history and stories shared along the route.
- The schedule includes several short stops: Our Lady of the Rocks receives about 20 minutes, while Rose is listed for about one hour.
- Weather matters: You can cancel up to 24 hours before departure for a full refund, but poor weather may also force a change or cancellation.
Why Boka Bay works so well from a speedboat

Kotor’s bay is not just one pretty waterfront. It is a long, winding body of water edged by steep mountains, old settlements, military sites, and quiet corners of the Adriatic. From the road, you see pieces of it. From a boat, the layout makes sense.
This tour starts in Kotor with roughly 50 minutes of panoramic riding toward Blue Cave. That ride is part of the experience, not dead time. You see the changing shape of the bay, pass coastal settlements, and get a clear sense of why water has always been central to life here.
The speedboat adds practical value. You cover a lot of ground in one outing, and you avoid spending part of the day in road traffic. One especially useful feature of a private boat is control over the pace. If your group wants more time for photographs or swimming, you can discuss the timing with the captain.
Do not expect a quiet sightseeing cruise. A speedboat ride can be breezy, fast, and bumpy when the water moves. The upside is excitement and reach. The tradeoff is that you should be comfortable with an active ride and protect your phone or camera from spray.
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Blue Cave: the tour’s signature stop
Blue Cave is the clear centerpiece. After the ride from Kotor, the boat enters the cave and stops inside for about 20 minutes. That gives you time to look around, take photographs, and swim.
The cave’s appeal comes from the light inside. Sunlight filters through the water and gives the interior its blue appearance. Conditions can change with the weather and the angle of the sun, so the exact effect will not be identical every day.
Swimming is a major reason to choose this outing over a purely scenic boat trip. Bring a swimsuit, towel, and something secure for valuables. The supplied information does not list changing facilities, so it is sensible to arrive prepared rather than count on changing at the stop.
The 20-minute pause is useful but not generous. If everyone in your group wants a swim, photos, and time simply to look around, organize yourself quickly. This is a shared stop for your private group, but it is still part of a route with several later visits.
Mamula and the World War II submarine tunnels

After Blue Cave, the route passes Mamula, a former prison and fortress that now operates as a hotel. Even from the water, the site gives the trip a strong sense of place. It is a military position at the entrance to the bay, and its location explains its strategic role.
The route then continues to submarine tunnels built during World War II. Unlike Mamula, which you pass beside, the boat enters the tunnels so you can look around from the water. This is one of the most unusual parts of the tour because it is not a standard postcard stop.
The tunnel visit is brief, listed at about 10 minutes. That is enough for a look and some photographs, but not for a long historical visit. Your experience here depends heavily on the captain’s explanation, so Bosko’s guiding role adds real value.
The route description repeats the Mamula and tunnel section, so the precise order may be adjusted on the day. The essential point is that both sites are included, with Mamula viewed from outside and the boat entering the old submarine tunnels.
Rose offers a slower hour by the water

Rose is described as a quiet corner near the entrance to Boka Bay, with an old Mediterranean feel and a more peaceful mood than the main sights. The listed stop lasts about one hour, making it the longest pause on the route.
This is where the private format pays off most clearly. The bay’s famous sights are rewarding, but Rose gives the outing room to breathe. You can enjoy the setting without treating every minute as a race to the next landmark.
The information provided does not specify exactly how the hour is used, so you should ask Bosko about the plan when you meet. It is listed as a stop with free admission, and its appeal is the atmosphere, quiet, and coastal setting rather than a formal attraction.
If your priority is nonstop sightseeing, the Rose stop may feel less essential than Blue Cave or the tunnels. If you like slower places and a break from a packed schedule, it may become one of the most enjoyable parts of the day.
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Our Lady of the Rocks and Perast

On the return route, the boat stops at Our Lady of the Rocks for about 20 minutes. The island is one of Boka Bay’s best-known sights, and its position opposite Perast makes for a memorable view from the water.
Twenty minutes is enough for a short walk and a look around, but it is not a full museum visit. If you want to examine every detail, you will need to keep an eye on the clock. The stop is designed as a compact visit within a larger boat route.
The island’s story is tied to local tradition and the long relationship between the bay’s communities and the sea. This is a good place to ask Bosko for context, since the captain’s commentary is an important part of the experience.
The boat also passes old town Perast on the way back. You view it from the water rather than stopping ashore, which gives you a broad picture of its waterfront and historic buildings. That is a strength for photographs, but a limitation if you want time in the town’s lanes or cafés.
Captain Bosko and the private-boat difference

The company is Sirius Boat Tours Kotor, and the named contact and captain is Bosko Markovic. Some trip descriptions refer to him as Bosco or Bole, but the booking information identifies Bosko Markovic.
His background is listed as a former merchant marine captain. That matters on a fast boat, particularly when the bay is choppy. The supplied experiences describe him as calm, professional, friendly, and attentive to safety, with clear answers to questions about the places along the route.
You should also expect a relaxed atmosphere rather than a formal lecture. Music is part of the ride, and the mood can be light while still including stories about Perast, Mamula, the military tunnels, and other parts of the bay.
The boat has been described as a newer Bayliner, clean and comfortable. A private speedboat is not the same as a large sightseeing vessel, so storage and seating will be more limited. In return, you get a direct ride, a small group, and a captain who can respond to your interests.
One particularly useful feature is the ability to talk about timing. The private format lets your group avoid the fixed rhythm of a large excursion. It does not mean every stop can become unlimited, since the outing lasts about four hours, but it gives you more control than a shared boat.
Is $421.44 a fair price?

The listed price is $421.44 per group of up to six people. For one or two people, that is a substantial cost. For six, it works out to about $70.24 per person, before any additional charge that might apply to a pickup outside the listed meeting-point range.
The value comes from what is included in one compact outing: a private boat, an English-speaking skipper and guide, Blue Cave, swimming, the submarine tunnels, Mamula, Rose, Our Lady of the Rocks, and a panoramic pass by Perast. You also avoid splitting the boat with strangers.
I would compare this price with the cost of arranging several separate visits, though the provided information does not give individual transport or admission prices. The strongest case for booking is convenience and control, not simply the number of stops.
A full group of six gets the best value. Families can share the cost while keeping the boat private, and couples may prefer it if a more personal schedule matters more than saving money. If your budget is tight and you mainly want a short bay cruise, a private four-hour speedboat may be more than you need.
Timing, pickup, and practical planning

The tour lasts approximately four hours and returns to the same meeting point in Kotor. Pickup is offered, but meeting points outside the three listed pickup areas may bring an extra charge. Contact Sirius Boat Tours Kotor before booking if hotel or marina pickup is important to you.
The meeting point is described as easy to find, and the tour is near public transportation. Confirmation arrives at booking, and the activity is private, so only your own group participates.
The tour is offered in English. Most people can participate, according to the supplied information, but no detailed accessibility information is provided. If anyone in your group has mobility concerns, ask the operator before reserving.
Plan for sun, wind, and water. Bring swimwear, a towel, sunscreen, water, and a secure case for valuables. The boat ride is a central part of the outing, so wear clothing that works for both a fast ride and a swim stop.
The booking terms are friendly if your plans change. You can cancel at least 24 hours before the start time for a full refund. Cancellations or changes made less than 24 hours before departure are not accepted for a refund.
Good weather is required. If conditions force the operator to cancel, you will be offered another date or a full refund. The same applies if the minimum number of participants is not met, with an alternative date or experience offered.
Who will enjoy this tour most?
I would choose this outing if you have one day in Kotor and want to see far more than the inner bay. It suits people who like a mix of scenery, local history, swimming, and a little speed.
Families can benefit from the private setup because the group stays together and the captain can pay attention to their pace. The supplied experiences also describe the ride as safe for children and adults, though you should still judge your own group’s comfort with a speedboat.
It is also a strong choice for couples or friends who do not want to join a crowded excursion. The boat gives you a more personal setting, and the route includes unusual places such as the submarine tunnels rather than only the most famous waterfront views.
I would hesitate if you dislike fast boats, have only a short tolerance for sun and wind, or want long visits ashore. Perast is viewed from the boat, and the stops at Blue Cave and Our Lady of the Rocks are short. This is a broad taste of Boka Bay, not a slow cultural tour of each town.
Should you book the Blue Cave speedboat tour?
Book it if you want an efficient, private way to connect Boka Bay’s major sights with a few less ordinary stops. The combination of Blue Cave swimming, military tunnels, Mamula, Rose, and Our Lady of the Rocks gives the four hours a good range.
The best value comes when six people share the $421.44 group price. Before paying, confirm your pickup point, ask about the day’s expected weather, and tell Bosko if swimming, photographs, or historical explanations matter most to you.
Skip it if you need a low-cost outing or prefer to spend most of the day walking through Perast and other towns. For everyone else, especially families and small groups, this is a lively and practical way to see Boka Bay from its most revealing angle, the water.
FAQ
Where does the Blue Cave speedboat tour start?
The tour starts in Kotor and ends back at the same meeting point.
How long does the tour last?
The experience lasts approximately four hours.
How much does the tour cost?
The listed price is $421.44 per group of up to six people.
Is this a private tour?
Yes. Only your group participates in the activity.
Is hotel or marina pickup available?
Pickup is offered. Meeting points outside the three listed pickup areas may require an additional charge, so contact Sirius Boat Tours Kotor for details.
Is the tour offered in English?
Yes. The experience is offered in English.
Can I swim at Blue Cave?
Yes. The Blue Cave stop includes time to see the cave, take photographs, and swim.
Which historic sites are included?
The route includes Mamula, a former prison and fortress that is now a hotel, and World War II submarine tunnels that the boat enters. It also includes Our Lady of the Rocks and a panoramic pass by Perast.
How far in advance can I cancel?
You can cancel at least 24 hours before the start time for a full refund. Cancellations or changes made less than 24 hours before departure are not refunded or accepted.
What happens if the weather is poor?
The experience requires good weather. If it is canceled because of poor weather, you will be offered a different date or a full refund.
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