Kotor: Blue Cave, Submarine Base and Lady of the Rocks Tour

The best part of this three-hour speedboat tour is the change of scenery. You leave Kotor’s enclosed bay, pass old fishing villages and mountain-backed towns, then reach the open Adriatic for a swim in the Blue Cave. Along the way, you enter a wartime submarine tunnel and stop at the unusual island church of Our Lady of the Rocks.

I like two things here: the mix of history and water time, and the lively guides who keep the ride moving with music, facts, photos, and safe boat handling. Guides named Nikola, Enes, Vasco, Anas, and others have been praised for making the outing friendly and fun. The main consideration is weather. Open-water rides can be chilly, wet, and rough, especially near the front of the boat.

Key points to know before you book

• The Blue Cave includes 30 minutes for swimming, photos, and time in the clear water.
• You enter a former submarine base by boat, rather than walking through a museum or historic fort.
• Our Lady of the Rocks is an artificial island with a church and museum, though entry costs an additional €1.50.
• The speedboat ride is part of the attraction, with mountain views, old stone villages, music, and occasional spray.
• The tour costs about $39.07 per person, a fair price for a three-hour outing with several major sights.
• Bring a jacket, secure your hat, and expect an open-water ride that may feel rough at the front.

Why the Blue Cave tour works so well from Kotor

Kotor is best understood from the water. From the shore, you see steep mountains and fragments of old villages. From a speedboat, the whole setting opens up: church towers, stone houses, wooded hills, and the long curves of Boka Bay pass by in quick succession.

This outing gives you a good sample of that setting without taking an entire day. You get a scenic ride through the inner bay, a short cultural stop at Our Lady of the Rocks, a glimpse into a military tunnel, a view of Mamula Island, and a proper swim stop at the Blue Cave.

The tour is not designed for slow, detailed sightseeing. You will not spend hours inside Perast or study every room of the church museum. Instead, it gives you a broad look at the coast and adds the sort of water adventure that is hard to arrange on your own.

The boats are described as new and comfortable, with life jackets, safety equipment, first-aid kits, and bottled water included. The published maximum is 57 people, though one outing had only about eight passengers. That means the feel may depend on your departure, so ask if a smaller boat matters to you.

Leaving Kotor through old fishing villages

The first 20 minutes take you along the Kotor shore. This is an easy and scenic beginning, with views of Muo, Prčanj, and Stoliv. These former fishing villages have old stone homes, churches, trees, and a quieter feel than Kotor’s old town.

I like this opening because it gives you time to settle into the boat before the faster sections begin. It also shows why Kotor Bay is more than a postcard view of the old city. Life here has long been tied to the water, and the shoreline still carries that sense of small coastal communities linked by boat.

The ride can be breezy even on a sunny day. Several people found the open water cold, particularly when leaving the shelter of the bay. A scarf, light jacket, or warm layer is sensible. Secure loose hats and sunglasses, since the boat’s speed and wind can be enough to send them overboard.

The ride is part transport and part entertainment. Guides often add music, jokes, stories, and photo stops. Nikola, Enes, Vasco, and Anas were each singled out for keeping the mood lively while still explaining the places along the route. That combination suits you if you want scenery with a bit of energy rather than a quiet narrated cruise.

Perast and the story of Our Lady of the Rocks

Perast sits at the edge of St. Ivan Hill and is one of the most striking towns in Boka Bay. Its single street runs along the water, backed by old stone buildings and framed by the bay’s two famous islands: Our Lady of the Rocks and St. George.

The town has evidence of settlement going back thousands of years, while its later identity grew around captains and seafarers. On this tour, you mainly get a panoramic view rather than a long walk through town. That is useful if your priority is the full bay circuit, but it is a limitation if you want time to explore Perast itself.

The short island visit is one of the tour’s more distinctive stops. Our Lady of the Rocks is artificial, built over centuries by people from Perast and Kotor who brought stones by boat. Local tradition connects the church to an icon of the Virgin Mary and Child found on a sea rock after a shipwreck. The present church dates to 1630.

You have about 20 minutes on the island. That is enough to walk around, take in the views, and decide if you want to enter the church and museum. Admission is not included and costs €1.50. You do not need to go inside to appreciate the island, but the extra fee is worth knowing before you arrive.

There is also a small practical nuisance: a toilet on the island has been reported to cost €1. Bring a coin if you want to use it. It is a minor point, but short stops leave little time to search for cash.

Entering the submarine tunnel at Rose

At the Lustica Peninsula, the speedboat heads into a concealed submarine base built for the Yugoslav army during the world-war period. You do not walk across the peninsula to reach it. The boat takes you directly into the tunnel, making the entrance itself part of the attraction.

This is the tour’s most unusual stop. The Blue Cave is beautiful, but plenty of coastal excursions offer a cave swim. Fewer let you ride into a dark military tunnel cut into the shore. The base has a Cold War feel, and the echoing concrete space gives the ride a brief historical edge.

The visit lasts about 10 minutes, so keep your expectations in check. This is a quick look from the boat, not a full museum visit or guided historical tour. You will see the structure and hear some explanation, but the stop is short by design.

That brevity works well in a three-hour trip. The tour gives you a taste of military history without allowing the site to take over the day. If you have a strong interest in Yugoslav or Austro-Hungarian military sites, you may wish for more time. For most people, the surprise of steering into the tunnel is enough.

Seeing Mamula Island from the water

Mamula Island sits at the mouth of the bay between Lustica and Herceg Novi. Its round fort covers most of the island and was built in 1853 by Austro-Hungarian admiral Lazar Mamula to guard the entrance to Boka Bay.

The fort later became a concentration camp during Mussolini’s period, giving the site a darker layer of history. The tour provides a panoramic view rather than an island landing. From the boat, you can take in the fort’s defensive position and understand its role at the bay entrance.

This is another short historical encounter rather than a full visit. You will not walk through the fort or spend time inside the former camp. Still, the view helps connect the natural geography of the bay with the military structures placed along it.

The route is well chosen here. Mamula, the submarine tunnel, and the Blue Cave all sit toward the open end of the bay, so the ride gradually shifts from sheltered mountain water to the wider Adriatic. That change is scenic, but it also brings more wind and wave movement.

Swimming in the Blue Cave for 30 minutes

The Blue Cave is the clear payoff for anyone booking this tour for swimming. Sunlight reaches the water through the cave opening and reflects from the pale pebble bottom, creating the blue glow inside. The cave can be reached only by boat, so arriving by speedboat feels natural rather than like a transfer to another vehicle.

You get about 30 minutes in the Blue Cave area for swimming, photos, and music. The stop is long enough to enjoy the water instead of merely leaning over the side for a quick look. Life jackets and safety equipment are provided, and the guide supervises the swim.

The exact experience depends on conditions. The water may feel cold, and the cave can be busy at popular times, though no fixed crowd level is provided. The tour description says you swim around the Blue Cave area, so do not assume you will spend the entire half hour inside the cave itself.

I would treat this as a swim stop with a dramatic setting, not as a private cave visit. Bring a swimsuit and a secure way to carry your phone if you want photos. Some guides have also lent swimming gear or taken pictures for the group, but that should be viewed as helpful service rather than something guaranteed on every departure.

The ride to the Blue Cave can be rough at the front of the boat. Moving toward the middle can make the trip more comfortable. If you are prone to motion sickness, choose a middle seat when possible and keep your warm layer within reach.

What the $39.07 price really includes

At roughly $39.07 per person, this is a strong-value outing if you want several sights in one morning or afternoon. The price includes the speedboat, skipper and guide, water, safety equipment, all listed taxes and fees, the Blue Cave swim, the submarine base visit, the Perast and Mamula views, and the island stop at Our Lady of the Rocks.

You also receive access to an audio guide link in English, Spanish, French, Italian, German, Portuguese, and Russian. You need a phone and an internet connection to use it. Live guidance from the skipper may vary by person and departure, but the audio option helps fill in background when needed.

The one clear extra cost is entry to the church and museum on Our Lady of the Rocks, priced at €1.50. That admission is optional. The island stop itself is included.

The value is strongest when you want variety. A private boat charter could give you more control and space, but it would cost far more. A basic bay cruise may be cheaper, but it usually will not combine a fast ride, a military tunnel, an open-sea cave, and swimming.

Who will enjoy this speedboat outing

I would recommend this tour to you if you want an active introduction to the Kotor coast and prefer seeing several places over spending a long time at one. It suits couples, friends, families with older children, and anyone visiting Kotor on a tight schedule.

It is especially useful for cruise passengers because several departure times are offered and the activity returns to Park Slobode in Kotor. One late group was even helped after arriving behind schedule, though you should not rely on that kind of exception. Leave enough time to reach the meeting point.

You may want a different experience if you dislike speed, wind, music, or getting wet. This is not a quiet sightseeing boat. The ride can be thrilling and the guides may keep the atmosphere upbeat from start to finish.

The tour is listed as suitable for most people, with service animals allowed and public transportation nearby. No special walking demands are described, since the key stops are reached by boat. You should still be comfortable boarding a speedboat and taking part in a supervised swim if you plan to use the Blue Cave stop.

Practical advice for a smoother ride

Wear clothes that can handle spray and bring a jacket even in summer. The sheltered bay may feel warm, but the open Adriatic can be noticeably colder, especially at speed.

Choose the middle of the boat if you want the gentlest ride. The front offers a more exciting view but can take more spray and movement. Keep hats, scarves, phones, and sunglasses secure.

If you want to enter the church and museum on Our Lady of the Rocks, bring €1.50 for admission. Carry a little extra change for the island toilet as well.

The tour is offered in English, with an audio guide link available in several additional languages. Your phone needs internet access to open it, so check that before leaving Kotor.

The tour depends on good weather. If conditions force a cancellation, you can choose another date or receive a full refund. You can also cancel for a full refund up to 24 hours before the start time. Changes or cancellations inside that 24-hour window are not accepted.

Should you book the Kotor Blue Cave tour?

Book it if you want a lively, good-value day on the water with a real mix of scenery, swimming, and history. The strongest parts are the 30-minute Blue Cave stop, the direct ride into the submarine tunnel, and the view-filled run through Kotor Bay and toward the open Adriatic.

Go in prepared for a speedboat rather than a gentle cruise. Bring warm layers, expect wind, and sit near the middle if you want less bouncing. If those conditions sound enjoyable, this is one of the more efficient ways to see the bay, the islands, and the coast beyond Kotor in a single three-hour outing.

FAQ

Where does the tour start and end?

The tour starts at Park Slobode, Kotor, Montenegro, and returns to the same meeting point.

How long does the tour last?

The tour lasts approximately three hours.

What is included in the ticket price?

The price includes bottled water, a skipper and tour guide, all fees and taxes, the speedboat, life jackets, safety equipment, first-aid kits, the Blue Cave visit and swim, the submarine base visit, the Mamula Island panoramic view, the Perast panoramic view, and the Our Lady of the Rocks island visit.

Is church admission included at Our Lady of the Rocks?

No. Entry to the church and museum is optional and costs €1.50.

How much time do you get to swim?

You get approximately 30 minutes around the Blue Cave for swimming, photos, and time in the water.

Is the tour offered in languages besides English?

The tour is offered in English. An audio guide link is available in Spanish, French, English, Italian, German, Portuguese, and Russian. You need a phone and an internet connection to access it.

What happens if the weather is bad?

The experience requires good weather. If it is canceled because of poor conditions, you will be offered another date or a full refund.