Kotor: Boat Cruise with Blue Cave Swim and Submarine Base

The Bay of Kotor is best seen from the water. This three-hour speedboat trip packs in the Blue Cave, Mamula Island, submarine tunnels, and Our Lady of the Rocks without eating up your whole day. I especially like the fast boat ride and the mix of swimming, scenery, and local history. The main catch is that the Blue Cave can be crowded, and the swim may take place outside the cave rather than inside it.

I also like the small-group feel reported on many departures, with guides such as Peter, Marco, Andre, and Marko praised for being friendly, careful, and generous with local stories. At $56 per person, the tour offers good value if you want several Kotor Bay sights in one outing. Just remember that this is an active boat trip, not a slow scenic cruise, and rough weather can lead to cancellation.

Key points to know before booking

• Three hours, four major stops: You visit Our Lady of the Rocks, Mamula Island, the Blue Cave area, and former submarine tunnels.
• The swimming stop is flexible: You may swim near the Blue Cave or in a quieter cove, depending on crowds and sea conditions.
• A speedboat makes the distance practical: The boat reaches places that would take much longer by a slower vessel.
• History comes in short, useful bursts: You hear about Yugoslav military tunnels, Mamula’s wartime prison, and Perast’s island church.
• Small groups are common but not guaranteed: Some departures had only six to eight people, while the boat can carry up to 22.
• Pack for wind and spray: Bring swimwear, a towel, sunglasses, and a light jacket, especially outside the hot summer months.

What this Kotor boat trip is really like

This tour is designed for people who want a lot in a short time. You meet at the MontenegroGlobe agency near Kamelija shopping center, only a few minutes from Kotor’s old town and the port. From there, you walk to the boat and head out into the Bay of Kotor.

The boat has a fridge, bottled water, music, Wi-Fi, shade, and safety equipment. Snorkel masks are supplied, which saves you from packing one. The setup is practical rather than luxurious, but the boats have been described as clean, new, comfortable, and well suited to a warm day on the water.

The speed is part of the fun. You are not simply drifting past the coast. You feel the wind, spray, and quick changes in scenery as the boat crosses open stretches of the bay. On calm days, this gives the trip real energy. On a windy day, it can feel bumpy, so anyone prone to seasickness should consider sitting toward the middle of the boat and bringing suitable medication.

Group size affects the mood. A boat rated for 22 people may feel spacious with six or eight passengers, as happened on some departures. A fuller boat will feel livelier and leave less room to stretch out. The operator uses different guides and captains, so the tone can vary, but the strongest reports consistently praise the crew for being attentive and good at making people feel safe in the water.

Our Lady of the Rocks and the view toward Perast

The first major stop is Our Lady of the Rocks, the artificial island opposite Perast. Local fishermen began building it in the 15th century, adding stones and sinking old boats over time. The result is one of the most unusual sights in the bay: a small island created by people rather than geology.

You have about 20 minutes here for a visit and photographs. The church ticket costs an additional €2 per person. Inside are 68 paintings by Tripo Kokolja, a 17th-century Baroque artist from Perast. If you enjoy art and local tradition, the small admission fee is reasonable. If you mainly want views and photos, the exterior and boat approach may be enough.

This stop is short, so do not expect a long museum visit. You will have time to look around, take pictures, and hear the basic story, but not to study every painting. The surrounding view is the real reward. From the water, you can frame the church, Perast, the steep mountains, and the bay in a single photograph.

Perast itself is one of the prettiest towns along the route. The boat also passes views toward Tivat, Porto Montenegro, and Herceg Novi. You get a useful sense of how the settlements fit along the shoreline, something that is harder to grasp from inside Kotor’s old town.

Mamula Island and its difficult past

The boat then heads toward Mamula Island, where you stop for about 10 minutes. The island is dominated by a round stone fortress built for military defense. During World War II, the Italian forces converted it into a concentration camp.

Your skipper explains the basic history as you look at the fortress from the water. This is not a full historical tour, but the short talk gives the island more weight than a simple photo stop. The prison’s past contrasts sharply with the bright sea and holiday setting around it.

The stop is brief and usually focused on photographs. You do not get a long period to explore the fortress on foot, and the supplied details do not promise entry inside. That is worth knowing if Mamula is your main reason for booking. The value here comes from seeing the island, understanding its wartime role, and fitting it into the wider story of the bay.

I appreciate that the tour does not treat Mamula as just another pretty island. The guide’s explanation adds context without turning the entire outing into a formal history lecture. Captains including Peter and Marko have been praised for giving enough information at each location while keeping the boat moving.

The Blue Cave, snorkeling, and the reality of the swim

The Blue Cave is the trip’s headline attraction. Sunlight enters through an opening in the cave and reflects through the water, giving the rock chamber a blue glow. When conditions are right, the effect is striking, especially from the boat entrance.

The scheduled stop allows about 25 minutes for swimming and snorkeling. Masks are provided, and the clear water can reveal fish and underwater rock formations. Several departures used a quieter nearby cove for swimming, which may actually be the better part of the water stop if the cave is packed with boats.

Here is the important practical point: the tour description presents the Blue Cave as a swimming stop, but the exact arrangement can change. When many boats are gathered at the entrance, swimming inside the cave may not be possible or comfortable. Some captains take passengers into the cave for photographs and then drive to a less crowded spot nearby. Others adjust the order of the stops so the group can enjoy the cave with fewer boats around.

One captain rearranged the swimming and cave visit and gave the group a chance to have the cave almost to itself. That kind of flexibility can make a big difference. You should think of this as a Blue Cave viewing and nearby swimming experience, not a guaranteed private swim inside the cave.

Non-swimmers are not shut out. Life-saving equipment is included, and one guide gave extra help to nervous swimmers and provided life jackets. Still, you should be comfortable getting on and off a small boat and entering the water with assistance. The crew can help, but this is not a poolside activity.

Bring your own towel and swimwear. A waterproof phone pouch would also be useful, though it is not listed as included. Keep sunglasses secure, since the sun and wind can be strong on the open water.

The former submarine tunnels

Near the end of the outward route, the boat pauses at the entrances to former submarine tunnels. The Yugoslav Army built these narrow openings into the rock to shelter military submarines and other vessels.

You get about five minutes for photographs. That sounds short, but it is enough to understand the basic idea and see why the tunnels are easy to miss from land. The dark openings cut into the coast are a sharp contrast to the open water and resort towns elsewhere in the bay.

This stop is more visual than interactive. You do not enter the tunnels, and the schedule does not allow an extended military history lesson. Still, it is one of the tour’s more distinctive sights. Many boat trips focus only on beaches and churches, while this one gives you a glimpse of the former Yugoslav naval presence.

The tunnels also help break up the day. After the bright water and swimming stop, the military structures add a darker, more unusual note before the boat returns toward Kotor.

The ride back through Kotor Bay

The return crossing lasts about 30 minutes. This is when the boat ride itself becomes the attraction. You pass coastal villages and broad mountain views, with Perast, Tivat, Porto Montenegro, and Herceg Novi among the places visible along the route.

The music can add a cheerful holiday mood, and some captains use jokes and light conversation to keep the group relaxed. At the same time, you still get explanations of the places along the way. The best departures seem to find the right balance: enough talk to give the sights meaning, but not so much that you cannot simply enjoy the water.

The ride can also be hot or chilly depending on the season. Summer departures benefit from shade and sea spray, while October passengers should bring a coat. One October departure at noon was described as comfortable overall but cold on the water. Morning trips can be pleasant in July and August, before the strongest heat arrives.

The route is not completely fixed in the way a bus itinerary is. Captains may change the order of the cave and swimming stop, seek a quieter swimming location, or shelter the group if weather changes. A storm once led a captain to extend the outing and take the group to a beach until conditions improved. That flexibility is reassuring, but it also means the exact timing can shift.

Is $56 good value for three hours?

At $56 per person, this is good value if you want several major sights and a proper speedboat ride in one half-day. The price includes boat transport, bottled water, a snorkel mask, a live English-speaking guide, and safety equipment. You also avoid arranging separate boat trips to the cave, Mamula, and the submarine tunnels.

The strongest value comes from the distance covered. A slower boat would spend more of the three hours simply getting from one place to another. Here, the speed lets you combine sightseeing, history, photographs, and a water stop.

There are extra costs to keep in mind. The Church of Our Lady of the Rocks costs €2 per person, and food and additional drinks are not included. Three hours is long enough to see the main sights without taking over your day, but too short for lengthy visits at each stop.

I would choose this tour over a basic bay cruise if swimming and speed matter to you. I would choose a slower, longer excursion if you want extended time inside the church, a detailed visit to Mamula, or a relaxed meal on the water.

Who will enjoy this tour most?

This trip suits you if you have only a few days in Kotor and want a broad taste of the bay. It works well for couples, solo visitors, families with older children, and small groups who like a mix of movement and sightseeing.

Solo passengers can find the small-group setting social, especially on a lightly booked departure. The boat has also worked well for people who feel nervous in the water, provided they tell the guide and use the available life equipment.

It is less suitable if you use a wheelchair, since the activity is not wheelchair accessible. It is also not suitable for people over 95, according to the tour information. Pets and bikes are not allowed.

You should also think carefully about the boat motion. The route is fast and exposed, and bad weather can cancel the trip. Parking in Kotor is notoriously difficult, so arriving by car may add stress. Meeting near Kamelija, close to the old town and port, is easier if you walk from central Kotor.

My verdict on the Kotor Blue Cave cruise

I would book this tour if I wanted the best mix of Kotor scenery, open-water excitement, swimming, and short historical stops. The guides, including Andre, Peter, Marko, Marco, and others, have earned strong praise for being friendly, careful, and willing to adjust the outing to the conditions.

The two things to keep firmly in mind are the Blue Cave wording and the short stop times. You may see the blue glow but swim in a nearby cove, and you will not have long to explore each attraction. If those limits suit your expectations, $56 buys a busy and enjoyable three hours.

One troubling incident involved a discriminatory comment at the agency meeting point. The guide responded empathetically, but the experience is a reminder that the welcome at the office may not match the quality of the boat crew. It should be addressed by the operator.

Book it for a lively half-day on the water, not for a slow archaeological tour. Bring a towel, swimsuit, sunglasses, and a light layer. In cooler months, choose a midday departure if available. In summer, an early trip can help you avoid the worst heat and some boat traffic.

FAQ

Where does the Kotor Blue Cave boat tour start?

You meet at the MontenegroGlobe agency near Kamelija shopping center, a few minutes from Kotor’s old town and the Port of Kotor.

How long does the boat tour last?

The tour lasts three hours, including the boat rides, sightseeing stops, historical explanations, and swimming time.

What places does the tour visit?

The route includes Our Lady of the Rocks, Mamula Island, the Blue Cave area, and former submarine tunnels built by the Yugoslav Army. You also see coastal places such as Perast, Tivat, Porto Montenegro, and Herceg Novi from the water.

Is swimming included?

Yes. The tour includes a swimming stop near the Blue Cave area, with snorkeling masks provided. Depending on crowds and conditions, swimming may take place in a nearby cove rather than inside the cave.

Is the Church of Our Lady of the Rocks included in the price?

No. Entry costs €2 per person and is paid separately.

What is included in the $56 price?

The price includes boat transport, bottled water, a snorkel mask, life-saving equipment, and an English-speaking guide.

What should I bring?

Bring sunglasses, swimwear, a towel, and a camera. A coat or light jacket is useful outside the hottest months because the boat can feel chilly at speed.

Can the tour be cancelled?

Yes. The tour may be cancelled because of poor weather or because the minimum number of participants is not reached. You can cancel up to 24 hours in advance for a full refund.

Is the tour suitable for wheelchair users?

No. The tour is not suitable for wheelchair users. It is also not suitable for people over 95 years old.