Reviewed · BLUE CAVE BOAT TRIPS
Lady of the Rock and Mamula with Blue Cave Private Tour
The best part of this private boat trip is the variety packed into about three hours. You move from Kotor’s medieval waterfront to an island church, a former military fortress, a Yugoslav submarine tunnel, and a sea cave with time to swim. Our Lady of the Rocks gives you culture and local stories, while the Blue Cave supplies the fun.
I like the small private group, limited to six people, and the quick pace between stops. I also like the practical extras: bottled water, soda, beer, Wi-Fi, and snorkeling gear are included. The main drawback is that Mamula Fortress is currently closed, so you see it from the water rather than walk inside. The Blue Cave can also become crowded, and swimming there may not feel safe when many boats are packed around the entrance.
Key points to know before booking

- Private boat for up to six: A $316.86 group price can be good value when divided among a full party.
- Four distinct sights: See Our Lady of the Rocks, the submarine tunnel area, Mamula Fortress, and the Blue Cave in one outing.
- Local guidance: Milos greets you, while another Milos drives the boat and helps create a friendly, reassuring experience.
- Swimming time included: The Blue Cave stop allows about 30 minutes for swimming, with masks and snorkeling equipment provided.
- Mamula is sightseeing only: The fortress is closed because of construction, so expect an exterior view from the boat.
- Early departure is smart: A quick start may help you reach the popular cave before the heaviest boat traffic.
Why this private Kotor cruise works so well

Kotor is best understood from the water. From Park Slobode, you leave the city behind and see the bay as a chain of old settlements, wooded slopes, church towers, stone houses, and former palaces. The ride itself is part of the experience, not just transport between attractions.
This is a private activity, so you are not sharing the boat with a large tour crowd. That matters in a place where the most popular stops can fill with boats. Your skipper can adjust the rhythm for your group, and the small setting makes it easier to ask questions or explain that you want more time for swimming, photographs, or a quieter stop.
The boat ride is fast enough to cover a lot, but the schedule is tight. You have about 20 minutes at Our Lady of the Rocks, a short look at the submarine tunnel, a view of Mamula Fortress, and roughly 30 minutes at the Blue Cave. Think of this as a sharp introduction to the bay and its coastal sights, not a slow full-day cruise.
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Leaving Kotor from Park Slobode
The meeting point is Park Slobode in Kotor, beside the water. The return is to the same place, which keeps the day simple if you are staying in Kotor or exploring the Old Town afterward.
The opening cruise takes about 20 minutes. As you head out, look back toward Kotor’s waterfront. The city’s old buildings sit close to the bay, with a mix of Baroque and Renaissance-style homes, old mills, small villages, greenery, and the river flowing into the sea.
I like this beginning because it gives you a visual introduction before the first stop. You are not rushed straight to a monument with no sense of place. At the same time, you should keep your expectations realistic. The boat may be moving quickly, so this portion is mainly for views and orientation rather than a guided walk through Kotor.
Our Lady of the Rocks and Perast stories

After about 20 minutes on the water, you reach Our Lady of the Rocks, the man-made island opposite Perast. The island was formed by placing rocks in the water and sinking old ships loaded with stone. Its church, Gospa od Škrpjela, is the largest building on the islet.
You have about 20 minutes here. You can visit the church and its museum, browse the small gift shop, and walk around the compact island. The museum is behind the church and costs 2 EUR. Church entry is not included, so carry some money if you want to go inside.
This stop adds welcome substance to a boat trip that could otherwise become only a scenic ride. The skipper explains the island’s creation and the nearby town of Perast, which has UNESCO protection. That local context helps you understand why this small patch of land matters.
The limitation is time. Twenty minutes is enough for a quick look, but not a relaxed museum visit and a long wander. If the church and museum are your priority, you may want to keep souvenir shopping brief. If you prefer photographs and views, the stop should feel well judged.
Through Verige and past Porto Montenegro

The route continues through the Strait of Verige and into Tivat Bay. From the water, you can see Porto Montenegro, the well-known luxury marina, on the left side of the route.
This section shows a different side of the area. Kotor’s waterfront feels old and stone-built, while Tivat Bay presents a more polished marina setting. The contrast is useful: Montenegro’s coast is not one single visual experience.
The cruise also includes a look at an old Yugoslav Army submarine tunnel. The tunnel entrance was covered with artificial rock so it would be harder to spot from satellites, spy planes, or passing aircraft. You pass through the opening, making this one of the more unusual moments of the trip.
The stated stop at the tunnel lasts about five minutes, with around 15 minutes of cruising to the next attraction. That tells you what to expect: a brief look and a memorable passage, not an extended historical visit. The tunnel is best appreciated as a quick piece of military infrastructure built into the coast.
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Seeing Mamula Fortress from the boat

Near the exit of the Bay of Kotor, the boat reaches Mamula Fortress. The skipper explains its purpose during the First and Second World Wars as you view it from the water.
Mamula has a strong setting, surrounded by open sea at the entrance to the bay. Its location makes the fortress easy to understand as a defensive position. The boat gives you a useful angle for photographs and a clear sense of how isolated it is.
You cannot enter the fortress at present because construction has kept it closed for about two years. This is important when deciding how much weight to give this stop. The tour offers sightseeing and an explanation from the skipper, not an interior tour.
Some people may find this disappointing, especially if they expect to walk through the walls or see the former rooms. I would treat Mamula as a short visual stop between the tunnel and the cave. The private boat still gives you a better chance to pause for photos than a crowded group vessel might, but the attraction remains exterior-only.
Blue Cave swimming and the crowded-water question
The Blue Cave is the payoff for anyone who wants time in the water. Waves have shaped the caves at the base of a cliff more than 100 meters high, creating a natural opening where the sea can appear blue under the right conditions.
The boat takes you close to the cave, and you have about 30 minutes for swimming. Snorkeling equipment is included, so you do not need to bring your own mask. Bottled water, soda, and beer are also provided, which is useful after time in the sun.
The cave can be extremely busy. One practical account of the trip described the entrance as full of boats and considered swimming there unsafe at that moment. The group instead moved a short distance away, where the water was calmer, there were fewer boats, and fish could be seen with the provided masks.
That is good advice. Do not treat entering the cave as the only successful outcome. If boat traffic makes the entrance uncomfortable, ask to swim nearby. You still get time in the sea, and a quieter patch of water may be more enjoyable than squeezing between boats.
The return cruise takes about 55 minutes. After the activity at the Blue Cave, that long ride gives you time to dry off, enjoy the views, and settle into the trip back to Kotor. Bring a towel, since one is not provided.
How the $316.86 price adds up

The price is $316.86 per private group of up to six people. With six passengers, that works out to about $52.81 per person before any church or museum entry fees. For a couple, the per-person cost is much higher, so the value depends heavily on group size.
The private format is the main reason to consider it. A less expensive seat on a shared boat may cost less per person, but you lose control over the pace and share the experience with a much larger crowd. If your group includes six people, the price becomes especially reasonable for a boat, skipper, drinks, snorkeling gear, and several separate sights.
The included extras are modest but useful. You receive bottled water, soda, beer, Wi-Fi, and snorkeling equipment. Towels are not included, and you pay separately for the museum and church at Our Lady of the Rocks.
I would book this for a group that values privacy and wants a broad sample of the coast in a short window. I would hesitate if you are traveling alone, as the group price is harder to justify, or if your main goal is a long visit inside Mamula Fortress.
Timing, comfort, and practical details

The activity is offered in English and comes with a mobile ticket. Most people can participate, and service animals are allowed. The tour requires good weather, so poor conditions can lead to a different date or a full refund.
An early start is worth requesting if possible. The Blue Cave is the most crowd-sensitive part of the route, and reaching it before the busiest period may improve the experience. The skipper can also help you decide if swimming inside the cave is sensible on the day.
Wear clothing that can handle spray and bring a towel. You should also have sun protection and a secure way to carry small items, though the supplied information does not specify storage on the boat. Since the tour includes swimming, wear a swimsuit under your clothes if that suits your plans.
The guide team includes two people named Milos. One greets the group, and the other drives the boat. The driving Milos is described as friendly and reassuring, which matters if you feel uneasy on open water. One person who was very afraid of the sea found his calm manner helpful.
You can cancel without charge up to 24 hours before the start time. Changes or cancellations inside that period are not refunded, and the cut-off uses local time.
Who should book this boat trip?
I would choose this tour for families or friend groups of up to six who want a private outing rather than a packed excursion. It suits people who like moving between several sights, enjoy short historical explanations, and want a real chance to swim.
It also works well for a short stay in Kotor. In three hours, you see parts of the bay that would take much longer to arrange independently. The route gives you both cultural stops and outdoor time, so no single interest has to dominate.
You should think twice if you want long museum visits, a detailed tour of every military site, or guaranteed swimming inside the Blue Cave. Mamula is closed, the church and museum cost extra, and the cave may be too crowded for safe swimming at certain times.
Should you book Lady of the Rock and Mamula with Blue Cave?
Book it if you have a small group, want the convenience of one private boat, and like a fast-moving mix of scenery, local history, and swimming. The strongest features are the private setting, the helpful Milos-led service, and the chance to change the swimming plan if the Blue Cave entrance is too crowded.
Skip it if the $316.86 group price is difficult to share, or if you want to explore each stop at length. For the right group, this is a well-packed Kotor outing with good value and a sensible backup plan for the busiest part of the coast.
FAQ
Where does the tour start?
The tour starts at Park Slobode, E65, in Kotor, Montenegro.
Where does the tour end?
The activity ends back at the starting meeting point in Kotor.
How long does the tour last?
The tour lasts approximately three hours.
How many people can join the private tour?
The private boat accommodates a group of up to six people.
Is the tour offered in English?
Yes. The activity is offered in English.
Is entry to Our Lady of the Rocks included?
Church entry is not included. Museum admission behind the church costs 2 EUR and is also not included.
Can you enter Mamula Fortress?
No. Mamula Fortress is closed because of construction, so you see it from the boat.
Is swimming included?
Yes. The Blue Cave stop includes about 30 minutes for swimming, weather and local conditions permitting.
Is snorkeling equipment provided?
Yes. Snorkeling equipment is provided at no extra charge.
Are drinks included?
Yes. Bottled water, soda, and beer are included. Towels are not provided.
What happens if the weather is poor?
If bad weather causes cancellation, you are offered another date or a full refund. You can also cancel up to 24 hours before the start time for a full refund.
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