Review · BLUE CAVE & GROTTO TOURS
Kotor: Bay of Kotor and Blue Cave Speedboat Tour
Kotor’s best views are from the water, and this fast-moving tour gives you plenty of them in just three hours. You’ll race past old stone villages, church towers, mountain walls, and the medieval fortifications of Kotor before reaching the Blue Cave for a swim. The speedboat is the main attraction, not just transportation.
I like two things in particular: the route packs several very different sights into a short morning or afternoon, and Our Lady of the Rocks gives the outing a useful cultural stop after the open-water ride. Captains such as Voign, Marco, and Andrea have also earned praise for being helpful and good company. At $53, the mix is strong value.
The catch is that this is a brisk trip. The Blue Cave can be crowded, and in rough weather or cooler months the boat ride can feel cold and bumpy. The cave swim may also be shorter than the advertised 20 minutes when several boats arrive together.
Key points to know before booking

- A fast three-hour circuit: You see Kotor Bay, the outer coast, Blue Cave, a submarine tunnel, and Our Lady of the Rocks without giving up a full day.
- Blue Cave swimming stop: Plan on about 20 minutes in the water, though congestion can reduce time inside the cave.
- Strong views from every direction: Kotor’s walls, Perast, Luštica, Mamula Island, and small coastal villages all appear from the boat.
- Our Lady of the Rocks adds history: The artificial island, church, and museum bring more substance than a simple scenic cruise.
- Small-group or private options: The experience can be arranged for a private party or a smaller shared group.
- Pack for spray and wind: Bring swimwear, a towel, a sun hat, and a jacket or hood, especially outside summer.
Why a speedboat is the right way to see Kotor Bay

Kotor Bay is too large for a quick walking tour and too spread out for a short drive to show it properly. From the water, you get the full picture: steep gray mountains dropping toward a calm bay, old villages lining the shore, and church towers appearing around each bend.
The boat covers the bay far faster than a traditional sightseeing vessel. That matters because the route reaches the Blue Cave on the Luštica Peninsula, then returns through several other points of interest. A slower boat might give you more lounging time, but this trip gives you a much broader view in three hours.
You’ll first look back toward Kotor Old Town, where thick defensive walls climb toward Saint John’s Hill. The walls stretch about 4.5 kilometers, with some sections reaching 15 meters thick and 20 meters high. Seen from the water, the fortifications make it easier to understand why Kotor was so difficult to attack.
The ride then passes Muo, Prčanj, and Stoliv on one side, with Dobrota and Perast on the other. These are not empty shorelines. You’ll see palaces, houses, churches, and small settlements pressed between the water and the mountains. Keep your camera ready, but also look up from it now and then. The scale of the bay is the real show.
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From Kotor to Perast and the narrow Verige passage

The first part of the route is a panoramic ride of about 55 minutes, broken into several stretches. Perast is passed rather than given a dedicated stop, so you should not book this trip expecting time to wander its streets.
Still, the view from the boat is excellent. Perast is one of the bay’s most recognizable towns, with pale stone buildings and church towers facing two small islands. The route continues toward Verige, the narrowest part of the bay, only about 300 meters wide.
Verige divides the inner section of Boka Kotorska from the outer gulfs. The change is noticeable. The inner bay feels enclosed by high mountains, while the route toward Luštica opens the view toward the Adriatic. You’ll also pass the Church of Our Lady of Angels near Verige, a small but memorable sight from the water.
This is where the guide’s commentary can make a difference. Captains have been praised for explaining landmarks and answering questions, but the boat has no guaranteed microphone. If you sit at the back, you may not hear every word when the captain is facing the front. Ask questions when the boat slows, and choose a forward seat if hearing the commentary matters to you.
The Blue Cave swim, with a realistic expectation

The Blue Cave is the tour’s headline stop. Its water takes on a bright blue glow when sunlight enters through the underwater opening and reflects off the cave walls. The cave itself covers roughly 300 square meters, with an arch about 25 meters high and water around three to four meters deep.
The boat enters through one of two openings, and you’ll have a chance to swim and use the provided snorkeling equipment. In good summer conditions, the 20-minute stop is enough for a swim, a few photos, and a look at the light on the rock.
But keep your expectations practical. The cave is small, and it attracts many boats. One account described spending no more than four minutes inside because about ten other boats were there at the same time. The crew may instead take you to a nearby swimming spot, which can offer more room and a calmer swim.
That is not a reason to skip the tour, but it is a reason not to treat the Blue Cave as a private natural wonder. The best experience depends on timing, weather, and how many boats arrive together. The water is also likely to feel cold outside the warmest months.
Bring your own towel and swimwear. Snorkeling gear and bottled water are included, but one half-liter bottle may not be enough for three hours in direct sun. A sun hat helps, and a light jacket is wise even on a warm day because speed creates a strong wind.
Mamula Island and the open-water run

Mamula Island is passed rather than visited. The island sits near the entrance to the Bay of Kotor, and the boat gives you a brief view as part of the outer-coast run. It is one of those points that helps you understand the bay’s position between enclosed mountain water and the open Adriatic.
The ride toward the Blue Cave can be the most exciting part of the trip. The boat picks up speed, the water becomes more exposed, and the ride may turn choppy. That is fun for many people, but it is not gentle transportation.
If you have back or heart problems, this activity is not considered suitable. It is also not recommended for pregnant women. Even without those concerns, check the weather before booking if you are sensitive to motion. A rough sea can make the ride uncomfortable, especially in the outer sections.
The boat provides rain coats, which are useful if spray or rain arrives, but they are not a substitute for warm clothing. In November, one person found the wind painfully cold despite otherwise pleasant conditions. December visitors also reported that the trip was chilly but worthwhile. Summer is the obvious choice if swimming is your priority, while spring and autumn can offer cooler air and dramatic light.
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Inside the former submarine tunnel
On the return leg, the boat stops at one of the old submarine tunnels cut into the steep banks of Luštica. These were built during the Yugoslav period to hide and repair submarines and ships.
The tunnel is up to 50 meters long and about 7 meters wide. Water around the entrance can reach roughly 30 meters deep, while the tunnel itself averages about eight meters in depth. You do not get a long interior visit. It is mainly a photo stop of about five minutes, but the setting gives the ride a clear historical edge.
I like this stop because it breaks up the scenic parade. Kotor Bay is easy to admire as a postcard, but the tunnel reminds you that this protected waterway also had military importance. The dark opening, rough rock, and low profile of the entrance make for a striking photograph.
The stop is brief, so listen for the explanation and take pictures quickly. The boat will not linger while you study every detail.
Our Lady of the Rocks and the story behind the island

Our Lady of the Rocks is the most substantial stop after the Blue Cave. The island is artificial, created over centuries by adding stones and sinking old ships near a rock where two fishermen reportedly found an icon of the Virgin Mary and Christ in 1452.
The people of Perast built a chapel dedicated to Our Lady of the Rocks, and the tradition continues through Fašinada. Each year, local residents carry stones by boat and place them around the island. It is a living custom, not just a decorative story for visitors.
You’ll have about 20 minutes for photos and sightseeing, with access to the church and museum subject to an additional admission charge. The time is enough for a quick visit, though not for a leisurely museum study. If you want a longer look at Perast itself, this trip may leave you wanting more because the town is passed from the boat rather than visited on foot.
Rain can also affect this part of the schedule. One outing was cut short when rain began at the island. The crew may adjust the timing when conditions change, so keep valuables protected and use the supplied rain coat if needed.
The island is particularly worthwhile for anyone who wants more than scenery. The Blue Cave supplies the swim and the color, while Our Lady of the Rocks supplies the story, architecture, and local tradition.
What the $53 price really covers

At $53 per person, this is a strong-value introduction to the bay. Fuel, bottled water, snorkeling equipment, and rain coats are included. You are also paying for a fast boat, a captain, several scenic sections, the Blue Cave swim, the submarine tunnel stop, and the island visit.
The main extra cost is admission to Our Lady of the Rocks. Hotel pickup and drop-off are not included, so you need to reach Park Slobode yourself. The meeting point is about a five-minute walk from Kotor Old Town, just behind the port, and the company sign is near the sea in orange and blue.
The value is best if you have only a short time in Kotor. A three-hour outing gives you a useful overview without taking the whole day. It is also a practical choice for cruise passengers or anyone who wants a water-based view before spending the rest of the day in the old town.
A private or small-group departure may be better if you want more personal attention or flexibility. On a shared boat, the guide may need to repeat information for different parts of the group, and commentary can be harder to hear from the back.
Comfort, safety, and practical details

This is an active boat outing, not a polished luxury cruise. You may get spray, wind, music, quick stops, and a lively captain. Several captains have been praised for making nervous passengers feel safe, offering life jackets, and helping people who needed extra assistance.
The boat does not have room for luggage or large bags. Leave suitcases at your accommodation and bring only what you need for the water. A small waterproof bag for your phone and wallet would be sensible, though one is not listed as included.
Wear shoes that you do not mind getting wet, although the supplied information specifically asks you to bring a hat, swimwear, and towel. A hooded jacket is especially useful in late autumn, winter, and early spring. You can reserve now and pay later, and cancellation is free up to 24 hours before departure.
The stated languages are English and Serbo-Croatian. The crew’s style appears friendly and informal, with music sometimes played during the ride. If you want a quiet, highly structured history lesson, this may feel loose. If you prefer a captain who chats, points out sights, and keeps the boat moving, it should suit you well.
Who should book this Kotor boat tour?
I would choose this tour if you want the biggest possible sample of Kotor Bay in a limited amount of time. It works especially well for first-time visitors, families who enjoy being on the water, couples wanting dramatic photographs, and anyone who wants to combine swimming with local history.
It is less suitable if you dislike speed, get seasick easily, need a slow pace, or want a long visit inside the church museum. Pregnant people and those with back or heart problems should choose a gentler activity.
The most important choice is timing. Pick a warm, calm period if swimming is central to your plan. In cooler months, choose the middle of the day when possible and bring a proper jacket. The bay remains beautiful outside summer, but the open-water wind can be surprisingly sharp.
Should you book it?
Book this tour if you want a lively, efficient ride that links Kotor’s best water views with the Blue Cave and Our Lady of the Rocks. The speedboat saves time, and the $53 price is fair for the number of sights included.
Go in with realistic expectations about the cave. It may be crowded, the swim may be brief, and the sea may be rough. If you accept that tradeoff, this is one of the better ways to see the bay, especially when your schedule gives you only three hours.
FAQ
Where does the Kotor speedboat tour meet?
Meet at Park Slobode, about a five-minute walk from Kotor Old Town and just behind Kotor Port. The company sign is near the sea, with orange and blue colors and the company logo.
How long does the tour last?
The tour lasts three hours. Departure times vary, so you need to check availability when booking.
Is swimming included?
Yes. The tour includes a stop at the Blue Cave for swimming and snorkeling, scheduled for about 20 minutes. Crowding and weather can shorten the time inside the cave.
Is admission to Our Lady of the Rocks included?
No. Admission to the church and museum at Our Lady of the Rocks is not included in the tour price.
What should I bring?
Bring a sun hat, swimwear, and a towel. A jacket or hood is also sensible, especially outside summer, because the speedboat can feel cold when moving quickly.
Who should avoid this activity?
The tour is not suitable for pregnant women or people with back or heart problems. Rough sea conditions can also make the ride uncomfortable, so consider the weather before going.
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