Kotor: Blue Cave, and Full Bay Speedboat Tour

The star of this three-hour speedboat tour is the Blue Cave, where sunlight gives the water a striking blue glow. But the ride is not just a swim stop: you also see Our Lady of the Rocks, Mamula Island, and the old military tunnels cut into the bay’s shore.

I like the small group of up to 10 people, which keeps the boat from feeling like a floating bus. I also like the mix of history and sea time, especially the artificial island church and the chance to swim with a snorkel mask. The main caution is that the Blue Cave can be skipped in rough weather, and one recent booking reported little commentary and an itinerary that did not match expectations.

Key points before you book

• The Blue Cave is the main reward: You get about 20 minutes for swimming in its clear, blue-lit water.
• Our Lady of the Rocks adds real history: The church sits on a man-made island near Perast and includes a small museum.
• The route covers a lot quickly: You see submarine tunnels, Mamula Island, the Herceg Novi coast, and Boka Bay in one outing.
• The boat is genuinely small-group: The stated limit is 10 people, useful for boarding and swimming.
• The price includes practical extras: Water, safety gear, a snorkel mask, guide service, and the boat ride are included.
• Weather controls the experience: High waves can force a change in route or cancellation, so keep some flexibility.

What this Kotor speedboat tour actually covers

This is a fast coastal sampler rather than a slow sightseeing cruise. For $55 per person, you spend about three hours on the water and make several short stops, with the longest pause reserved for swimming at the Blue Cave.

The route begins at Marina Kotor, just across the main road from the Old Town’s Main Gate. You first head toward Perast and Our Lady of the Rocks, then continue through the bay toward the open water near Herceg Novi and the Lustica Peninsula. The return includes the submarine tunnels before you reach Kotor again.

That route gives you a useful look at Boka Bay from several angles. You see the narrow Verige Strait, the shore around Perast, former military sites, and open-water views beyond the inner bay. The speedboat matters here because the stops are spread over a wide area. A slower boat would offer more lounging time but could not cover the same ground in three hours.

The tradeoff is clear: this is not a detailed historical tour at every stop. You get photo pauses, short visits, and one proper swim break. If you want a calm boat ride with long time at each site, choose a slower full-day outing. If you want a compact introduction to the bay, this format makes sense.

Leaving Marina Kotor for Perast

Meet at Marina Kotor at least 15 minutes early. From the Old Town’s Main Gate, cross the main road and enter the marina, where the sailing boats and yachts are moored. The tour’s front desk staff, including Kristina, will welcome you, while your skipper handles the boat.

The first ride lasts about 20 minutes. This is a good time to settle in, keep your sunglasses and sunscreen handy, and take in the changing views along the bay. The boat moves quickly, so secure loose items before departure.

Perast is mainly a scenic pass-by and photo stop on this tour. You get about three minutes for the view before reaching Our Lady of the Rocks. That is enough to frame the church and island from the water, but not enough for a proper walk through Perast itself.

This distinction matters. You are visiting the island church, not touring the town of Perast. If Perast’s stone lanes and waterfront are high on your list, plan separate time there.

Our Lady of the Rocks and its unusual island

Our Lady of the Rocks is the first major stop, with about 20 minutes for a visit and free time. The church sits on an artificial island, a detail that makes the stop more interesting than a standard seaside church visit.

The local story centers on two brothers who found a Madonna and Child painting on a rock in the water. The island and church were built at that spot, giving the site a strong link between faith, seafaring, and the bay itself.

You can enter the church if it is open, but remember the dress code. A swimsuit is not suitable inside, so bring something easy to put on over your swimwear. The church and museum hours vary by season:

• In April, May, September, and October, they are open until 5 pm.
• In June, they are open until 6 pm.
• In July and August, they are open until 7 pm.

The island remains visitable even when the church and museum are closed. Museum entry costs €2 and is not included. The advertised skip-the-line benefit does not apply to the church because it is small, so do not expect a special entrance arrangement there.

With only 20 minutes, you will need to choose between looking around the island, entering the church, and visiting the museum. I would treat the stop as a focused visit rather than trying to absorb every detail. Wear shoes that are easy to manage on and off the boat, and keep your belongings compact.

The old submarine tunnel near Kotor

After the island, the boat runs for about 15 minutes to a former submarine tunnel. You have roughly five minutes for a photo stop and short visit.

These tunnels were once used by the army to hide submarines. Their purpose is easy to understand when you see how the rocky shoreline conceals the entrance from the open water. The stop gives the tour a military and industrial note that contrasts with the churches and natural swimming spots.

Five minutes is brief, so expect an exterior look or a quick approach rather than a long exploration. The value is in seeing the location from the sea and understanding how the bay’s geography served military needs. If you enjoy old coastal defenses, this will likely be one of the more memorable short stops, even though it is not a full museum visit.

Mamula Island and the outer bay

The next speedboat ride takes about 15 minutes to Mamula Island. The boat pauses for about five minutes for photos and sightseeing.

Mamula is known for its historic WWII-era prison. Seeing it from the water gives you a sense of its isolated position at the entrance to the bay. The stop is brief, so you should expect an exterior view rather than a landing or interior tour.

This part of the route also helps you understand the geography of Boka Bay. You have moved beyond the more sheltered inner waters and toward the open sea, following the Herceg Novi coast and the Lustica Peninsula. The scenery becomes a major part of the experience here, with the boat giving you broad coastal views that are difficult to get from roads around Kotor.

The quick timing is again both strength and weakness. You cover more ground, but you do not have time to linger at Mamula or study it in detail. Think of it as a carefully chosen viewpoint, not a stand-alone island visit.

Swimming inside the Blue Cave

The Blue Cave is the emotional high point of the trip. After about 15 minutes from Mamula, the boat reaches the cave for a swimming stop of around 20 minutes.

The cave’s appeal comes from the way sunlight enters the opening and reflects through the water. Inside, the water can appear intensely blue and clear, making this the moment to bring your mask and spend less time taking pictures from the boat.

You receive a snorkel mask as part of the tour, along with safety equipment. Bring your own towel, swimwear, sunscreen, and sunglasses. The water may feel cool, especially outside the hottest summer weeks, so a warmer layer for the ride is sensible in spring and autumn.

Your skipper’s approach to safety matters here. Getting in and out of a boat beside a cave requires care, especially when the sea moves. One especially positive account described the skipper as attentive during boarding and swimming, with a relaxed atmosphere and enough explanation without crowding people. That is the kind of practical guidance you want at this stop.

Still, do not book this trip solely for the Blue Cave without accepting the weather risk. Rough seas or difficult conditions can lead to a changed route or the cave being skipped. The tour may also be canceled when the weather is not safe. The operator’s priority is comfort and safety, but you should keep your plans flexible.

The long ride back to Kotor

The return to Marina Kotor takes about 70 minutes, making it the longest uninterrupted stretch of the outing. After the short historical stops and the swim, this gives you time to sit back and watch the coast slide by.

It also explains why the tour feels full. The boat covers a broad section of Boka Bay, but much of the total time is spent moving between locations. You should enjoy the ride itself, not regard it as wasted time. The views from the water are one of the tour’s main benefits.

The return can feel exposed if the weather changes, so bring a light layer even in summer. In spring and autumn, warm clothing is specifically recommended because the speedboat wind can make the ride chilly.

A small group helps here. With no more than 10 people, boarding and seating should be simpler than on a large excursion boat. That does not turn the ride into a private charter, but it gives the outing a more personal scale.

How much value do you get for $55?

At $55, this is a reasonable price for a short, wide-ranging boat trip. The fee covers the three-hour speedboat ride, a professional guide, water, safety equipment, a snorkel mask, and the visit to Our Lady of the Rocks Island. Hotel pickup and drop-off are also listed as included, though the stated meeting instructions direct you to Marina Kotor, so confirm the pickup arrangement when booking.

The value comes from combining several separate transport legs into one outing. You would need your own boat access or several separate arrangements to see the church island, submarine tunnel, Mamula, and Blue Cave in a similar window.

The price does not include the €2 museum entry at Our Lady of the Rocks. That is a small extra, but you should carry cash or confirm payment details if you plan to enter. The church itself is subject to opening hours and a dress code.

The weaker value appears if your main goal is detailed commentary. The tour is promoted with a live guide in English and Serbo-Croatian, but one recent booking reported no commentary and a route that did not match the expected plan. I would confirm the day’s route and ask how much explanation will be provided before departure, especially if historical context is important to you.

Who will enjoy this outing most?

I would choose this tour if you have limited time in Kotor and want to combine scenery, history, and swimming without committing to a full day. It suits people who like a quick pace, open-water views, and several short points of interest rather than one long site visit.

It is also a good match for anyone who wants to see beyond Kotor’s Old Town. The bay looks different from a speedboat, and the route reaches places that are hard to connect efficiently on foot or by road.

You may want another option if you need wheelchair access, since the activity is not suitable for wheelchair users. It is also less suitable if you dislike boat wind, quick boarding, or a schedule shaped by sea conditions.

Families and groups should consider the short stop lengths. Children who enjoy swimming and boats may have a good time, but anyone expecting long breaks at each landmark could find the pace rushed. The small-group limit helps, yet it does not change the fixed route and brief visits.

Practical preparation for Marina Kotor

Wear swimwear under clothes, but bring a cover-up for the church. Pack a towel, sunglasses, sunscreen, and a passport or ID card, all of which are specifically recommended.

Arrive at least 15 minutes early. In summer, parking in Kotor can be very difficult, so driving to the marina requires extra planning. The meeting point is close to the Old Town, making it easier if you are already staying in central Kotor.

Check the forecast before you go. The Blue Cave may be omitted in high waves, the route may change, and the whole tour can be canceled in poor weather. The operator allows cancellation up to 24 hours ahead for a full refund, and you can reserve now and pay later, which is useful when your schedule depends on sea conditions.

The tour is offered in English and Serbo-Croatian. If you need detailed historical narration, ask at the start how the commentary will work. That small question could prevent disappointment.

Should you book the Kotor Blue Cave speedboat tour?

Book it if you want a compact, active introduction to Boka Bay at a fair price. The combination of Our Lady of the Rocks, the submarine tunnel, Mamula Island, and the Blue Cave gives you more variety than a simple sightseeing cruise, and the 10-person limit keeps the experience manageable.

Do not book it expecting a slow, deeply narrated historical tour or a guaranteed Blue Cave swim. The route is weather-dependent, the stops are short, and the commentary may not be as consistent as you hope.

For most able-bodied visitors with three hours to spare, I would consider it a good use of time, especially on a calm day. Just pack for sun and wind, arrive early, and treat the Blue Cave as a welcome possibility rather than a promise.

FAQ

How long does the Kotor Blue Cave speedboat tour last?

The tour lasts three hours, including the boat rides, sightseeing stops, the visit to Our Lady of the Rocks, and the Blue Cave swimming stop.

Where does the tour start?

It starts at Marina Kotor, across the main road from the Main Gate of Kotor Old Town. The tour desk and staff are located in the marina.

How early should I arrive?

You should arrive at least 15 minutes before departure so the skipper and Kristina can check you in and welcome you.

Is the tour conducted in English?

Yes. Live guiding is offered in English and Serbo-Croatian.

How many people are in the group?

The tour is limited to 10 participants.

Is swimming included?

Yes. You have about 20 minutes to swim at the Blue Cave. A snorkel mask and safety equipment are included.

Can the Blue Cave visit be canceled?

Yes. High waves or difficult weather can lead to a changed itinerary, and the Blue Cave may be skipped for safety and comfort. The entire tour may also be canceled in unfavorable weather.

Is the museum at Our Lady of the Rocks included?

No. Museum entry costs €2 and is paid separately. The church and museum also have seasonal closing times.

Is the tour suitable for wheelchair users?

No. The activity is not suitable for wheelchair users.