Group Guided Tour: Blue Cave Speedboat Tour in the Bay of Kotor

The Blue Cave is the star here, glowing blue as sunlight slips through an underwater opening and reflects off pale limestone walls. I like the nearly hour-long ride across the Bay of Kotor, with open views from a fast boat, and I like that the group is limited to 10 people. The cave stop includes time to swim and take photos.

The main catch is pace. This is a three-hour outing with several sights packed into the schedule, and one review found only about 20 minutes for swimming. You should also know that bottled water, Wi-Fi, and snorkeling gear are not included, despite some expectations raised by the tour description.

Key points to know before you book

• The Blue Cave includes swimming time: Plan on roughly 30 minutes at the cave, though the actual water time can vary.
• The group is small: The speedboat carries a maximum of 10 travelers, making the ride more personal than a large sightseeing boat.
• Mamula Island is seen from the water: You get a panoramic look at its fortress and hear about its use as a World War II concentration camp.
• The submarine tunnel is a short stop: The boat enters the former naval tunnel in Kumbor for about 10 minutes.
• Our Lady of the Rocks is included: The island visit adds local legend, church history, and a view of Perast.
• The price covers the basics: At $53.61 per person, fuel, insurance, guide-skippers, entrance fees, raincoats, music, and swimming stairs are included.

Why the Blue Cave makes this a worthwhile morning

The tour’s strongest moment comes when the boat reaches the Blue Cave on the Luštica Peninsula. The cave formed where waves wore into porous rock beneath a cliff about 100 meters high. Its famous color is not painted or lit for effect. Sunlight enters through an opening below the water, then bounces off the limestone inside.

That natural light can create an almost electric blue room. The effect changes with the sun, water, and time of day, so you should think of the cave as a short natural spectacle rather than a guaranteed identical photo every time.

The ride from Kotor takes close to an hour. That sounds long for a three-hour tour, but the crossing is part of the experience. You get a broad look at the Bay of Kotor and the Luštica coast instead of spending the whole outing stepping between nearby waterfront stops.

A speedboat also matters here. It lets the group reach the open Adriatic and return to Kotor within a half day. The ride may feel lively, especially compared with a slow harbor cruise, but the tour description makes clear that most of the experience is spent cruising between sights.

What the small speedboat setup means

The boat holds no more than 10 people. I see that as one of the better features for a short water tour. A small group makes it easier to hear the skipper, move around for views, and get to the swimming area without the feel of a large excursion boat.

The licensed English-speaking guide also serves as skipper. The crew is meant to explain the places along the route, including Mamula Island and the submarine tunnel. One review found the guide’s spoken English limited, with prerecorded information used for the stops, so you should not book this expecting a long, detailed, discussion-based history tour.

The boat has swimming stairs, which are useful when you climb back aboard after the cave stop. Raincoats are provided, a practical touch if the wind picks up or a shower passes over the bay. Music connections through USB, AUX, and Bluetooth are also included, giving the ride a more casual, social feel.

Do not count on extras that are not listed. Food is not included, and one review specifically noted no bottled water, Wi-Fi, or snorkeling equipment. Bring water with you, and bring your own mask and snorkel if seeing underwater rock is part of your plan.

Reaching the Blue Cave and getting into the water

The tour starts at United Oceans Boat Tours, at Park Slobode in Kotor. From there, the boat heads out across the bay toward the cave. The first section is mostly about the ride and the views, so sit where you can enjoy the water and the coast rather than treating the crossing as dead time.

At the cave, the boat enters or approaches the opening so you can see the blue glow from the water. The stop is scheduled for about 30 minutes and includes swimming and photographs. That is enough time for a refreshing dip and a few good pictures, but it is not a leisurely beach stop.

One review estimated the actual swim at only 20 minutes. That difference may come from conditions, crowding, or the timing of the day, but it gives you a useful expectation: bring swimwear, yet do not assume you will spend half an hour continuously in the water.

The cave area can be the busiest part of the route, since it is the main reason many boats come out from Kotor. The guide’s choice of swimming area matters. The positive experience described here included swimming away from the busiest boat traffic, which added comfort and made the stop feel less cramped.

You will need to manage your own belongings around the water. No special storage or changing facilities are listed, so wear your swimwear under your clothes if that is convenient and keep phones protected from spray.

Mamula Island: a beautiful view with a grim past

After the cave, the boat makes a panoramic pass by Mamula Island. From the water, you see the fortress and the island’s striking setting at the entrance to the Bay of Kotor.

The view has a difficult layer beneath it. The fortress served as a concentration camp during World War II. That contrast is part of the point of the stop: the sea and stone can look peaceful, while the site’s past is deeply disturbing.

This is a sightseeing pass, not a land visit. You hear about the island from the captain while the boat moves by, so keep your expectations in check. You will not have time to explore the fortress or examine its rooms on foot.

Still, this is a valuable addition to a tour built around scenery. It reminds you that the bay is more than a pretty backdrop. Its position made it important for defense, naval movement, and wartime control. The short explanation gives the ride a stronger sense of place without requiring a separate museum visit.

Inside the former submarine tunnel at Kumbor

The boat then heads to a former submarine tunnel in Kumbor. This is one of the route’s more unusual stops because the experience is not simply a view from outside. The speedboat glides into the tunnel, letting you see the shadowy passage from the water.

The tunnel was built as a secret hideaway for submarines. Its walls were cut into the rocky coast, and its cool interior gives you a physical sense of the site’s military purpose. You are not just looking at a fortress or shoreline from a distance. For a few minutes, you are inside the structure.

The stop lasts about 10 minutes, and admission is not listed as a separate included ticket. The boat entry itself is part of the tour, but you should not expect a long visit or an extended historical presentation.

I like this stop because it breaks up the open-water ride. The Blue Cave is natural and bright; the submarine tunnel is built, dark, and tied to naval history. Together, they give the outing more variety than a simple swim cruise.

Perast and the story of Our Lady of the Rocks

The visit to Our Lady of the Rocks adds a cultural stop to the tour. The island sits in front of Perast, one of the Bay of Kotor’s small historic settlements. The tour description also points out Perast’s lanes, houses, and old stonework, but this excursion focuses on the island rather than a full walking tour of the town.

According to local tradition, the island began after the Moršić brothers found an image of the Mother of God at the site. People from Perast then placed stones around the rock and built a chapel. Over time, they continued bringing stones until the island grew.

That tradition continues in the annual Fašinada ceremony on July 22. For more than 500 years, people have taken part in the custom of adding stones around the island. It is a good example of how local legend, religious practice, and everyday life remain connected in the bay.

The stop lasts about 30 minutes and admission is included. That is enough for a focused visit, though not enough to explore every corner of the church and island at a slow pace. You get a change from the boat, a chance to take pictures, and a story that makes the setting more meaningful.

From the water, you also see St. George Island, sometimes called the Island of Flowers. It is described as a natural island with an ancient past and a striking appearance, but it is a view-only part of the cruise. Do not confuse it with Our Lady of the Rocks, which is the island visited during the tour.

How the $53.61 price works out

At $53.61 per person, this is a reasonably efficient way to combine several Kotor-area sights in about three hours. The fee includes fuel, insurance, all listed taxes and fees, a licensed English-speaking guide-skipper, raincoats, and use of the swimming stairs.

The value is strongest if you want a mix of scenery, swimming, and short history stops without arranging separate boat rides. You are paying for the speedboat, the route, and the time saved reaching the Luštica Peninsula, not just for admission to a cave.

The price is less attractive if you mainly want a long swim or a quiet beach outing. The ride to the cave takes close to an hour, and several stops share the remaining time. A person who prefers to spend most of the day in the water may find the cave stop too brief.

The lack of food and bottled water is easy to handle, but it affects what you should pack. Bring your own water and any snack you need. Snorkeling equipment is not supplied, so bring it yourself if you want to look below the surface.

Who will enjoy this tour most

I would choose this for couples, families, and groups of friends who want several highlights in one compact outing. The small boat, music connections, swimming stairs, and informal guide-skippers give it a relaxed feel rather than a formal cruise atmosphere.

It also suits anyone with limited time in Kotor. You can see the Blue Cave, Mamula Island, the submarine tunnel, Our Lady of the Rocks, and views of Perast and St. George Island without giving up a full day.

You should be comfortable with a speedboat and a schedule that keeps moving. The tour includes open-water cruising, a short swim stop, and brief visits rather than long stays. If you need a slower pace, more spoken history, or guaranteed extended swimming, this may not be the best match.

The tour is offered in English, and most people can participate. Service animals are allowed, and the meeting point is near public transportation. Confirmation is provided at booking, and the tour returns to Park Slobode in Kotor.

Weather, cancellations, and what to pack

The trip depends on good weather. If conditions force a cancellation, you can choose another date or receive a full refund. The same applies if the minimum number of participants is not reached.

You can cancel for a full refund up to 24 hours before the start time. Changes or cancellations made within 24 hours are not accepted for a refund, and the cut-off follows local time.

For the day itself, I would bring:

• Swimsuit and towel
• Water and a snack
• Sun protection
• A phone case or other protection from spray
• Snorkeling gear if you want to use it
• A light layer for the boat ride

Raincoats are supplied, but that does not replace sun protection or drinking water. You also need to keep your camera ready because some of the best views come during the crossings, not only at the formal stops.

Should you book the Blue Cave speedboat tour?

Book it if you want a lively, small-group boat ride that combines a natural cave, a swim, naval history, wartime history, and a church island in three hours. The strongest features are the Blue Cave, the open-water views, the unusual submarine tunnel, and the maximum group size of 10.

Skip it if you want a long, unhurried swim or a guide who delivers detailed live commentary in English at every stop. The tour is best understood as a fast sampler of the bay, with the Blue Cave as the main event and the other places adding variety.

For most people with a free morning in Kotor, $53.61 is fair value. Just bring water, keep your swimming expectations modest, and treat the schedule as an active sightseeing ride rather than a beach day.

FAQ

How long is the Blue Cave speedboat tour?

The tour lasts approximately three hours and ends back at the meeting point in Kotor.

Where does the tour start?

It starts at United Oceans Boat Tours at Park Slobode, Kotor 85330, Montenegro.

Where does the tour end?

The activity ends back at the meeting point in Kotor.

Is swimming included?

Yes. The Blue Cave stop includes time for swimming, and the boat has swimming stairs. The scheduled cave stop is about 30 minutes, though the actual time in the water can vary.

Is admission to the Blue Cave included?

Yes. The Blue Cave stop includes admission.

Is admission to Our Lady of the Rocks included?

Yes. Admission to Our Lady of the Rocks is included.

Does the tour visit Mamula Island?

The tour provides a panoramic view of Mamula Island from the boat. It does not describe a land visit to the fortress.

How many people can join the boat tour?

The tour has a maximum of 10 travelers.

What is included in the price?

The price includes all fees and taxes, a licensed English-speaking guide-skipper, insurance, fuel, music connections, raincoats, and swimming stairs. Food is not included.