Review · BLUE CAVE & GROTTO TOURS

From Perast: Boka Bay and Blue Cave Tour – Pick up

★ 4.8 · 80 reviews 2 hours - 150 minutes From $53 Operated by SeaSpark Kotor Speed Boat Tours · Bookable on GetYourGuide
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The best part of this boat trip is how much of the Bay of Kotor you can cover in a short time. From Perast, you speed past old stone towns, luxury marinas, wartime tunnels, and Mamula Island before reaching the Blue Cave for a swim. It is a brisk, scenic look at the bay rather than a slow cruise.

I like the useful mix of stops: Our Lady of the Rocks gives the trip cultural context, while the submarine tunnels and Blue Cave add variety. I also like the experienced boat handling, especially since the ride can get choppy outside the sheltered bay. The main consideration is comfort: loud music, fast travel, and rough water may not suit you if you get seasick or want a quiet outing.

Key points to know before boarding

From Perast: Boka Bay and Blue Cave Tour - Pick up - Key points to know before boarding

  • Perast is the starting point, with pickup at the dock across from the market.
  • Our Lady of the Rocks is the first stop, with about 20 minutes for a visit and photos.
  • The WWII submarine tunnels are viewed from the water, not entered as a walking site.
  • Mamula Island adds a sobering look at the bay’s former prison island.
  • The Blue Cave stop lasts about 30 minutes, with swimming allowed when sea conditions are safe.
  • Porto Montenegro and Porto Novi are seen from the boat as you pass through the bay.

A fast way to see Boka Bay from Perast

From Perast: Boka Bay and Blue Cave Tour - Pick up - A fast way to see Boka Bay from Perast

Boka Bay rewards slow exploration, but not every visitor has a full day to spend on the water. This SeaSpark Kotor speedboat tour gives you a compact introduction to the bay’s most photogenic and unusual sights for $53 per person.

You begin at Pristaniste Perast, the waterfront landing place across from a market. Look for the dock where the speedboat collects you. Perast itself is worth arriving early for, with its stone waterfront and views toward the small islands offshore.

The boat moves quickly, but the trip is not simply a high-speed ride. You get short stops, guide commentary in English, and time for photographs. Depending on timing and conditions, plan on roughly two hours to two and a half hours from departure to return.

That short format is the appeal. You can see several corners of Boka Bay in one outing without committing to a full-day cruise. The tradeoff is that each stop is brief, so you should think of this as a broad introduction rather than a detailed visit to every place.

More Blue Cave and Grotto Tours in Kotor

Our Lady of the Rocks gives the tour its cultural start

From Perast: Boka Bay and Blue Cave Tour - Pick up - Our Lady of the Rocks gives the tour its cultural start

The first stop is Our Lady of the Rocks, reached after a short five-minute boat ride from Perast. The island is artificial, and its church and museum give the guide a chance to explain the local story before the tour turns toward the open water.

You have about 20 minutes here for a visit, walking, and photographs. That is enough to step ashore and get a feel for the place, but it is not a long church tour. If you want to enter the church, admission is not included in the $53 price.

Bring suitable clothing if you plan to go inside. A bathing suit is not acceptable in the church, even though you will later have the chance to swim at the Blue Cave. This is one reason I suggest carrying a light cover-up or changing before the cultural stop.

The island is also a good early photo stop. From the water and shore, you get views back toward Perast and across the enclosed bay. The guide’s explanation matters here, since the island is more than a pretty platform in the water. It helps you understand the religious and maritime character of the area.

Porto Montenegro and Porto Novi from the water

From Perast: Boka Bay and Blue Cave Tour - Pick up - Porto Montenegro and Porto Novi from the water

After Our Lady of the Rocks, the speedboat continues through the Verige channel. This narrow passage connects different sections of Boka Bay and gives you changing views of the steep shores and waterfront settlements.

The tour passes Porto Montenegro and Porto Novi. These are modern luxury marina developments, and seeing them from the boat lets you compare the bay’s polished new side with Perast’s old stone buildings and churches.

This part is mainly sightseeing from the water. You should not expect a marina visit or time to shop and walk ashore. The value is visual contrast: old churches and palaces on one stretch, sleek boats and high-end waterfront construction on another.

Keep your camera ready, but protect it from spray. A speedboat seat gives you wide views, though the ride may become bumpy once the boat leaves the calmest parts of the bay. Several departures have included complimentary cold drinks, but this is not presented as a guaranteed feature, so bring water if you need a reliable supply.

WWII submarine tunnels viewed from the boat

The former submarine tunnel is one of the most unusual stops. These wartime openings were built into the coast so submarines could be hidden from view. You stop for about 10 minutes, mainly for photographs and an explanation from the guide.

You do not enter the tunnel on foot. The attraction is the setting and the story, seen from the water as the boat approaches the dark opening in the rock. That makes this a quick stop, but it breaks up the trip nicely and gives you something different from churches, islands, and marinas.

The tunnel also shows how the bay’s sheltered geography had military value. The same calm, protected waters that made Boka Bay attractive to sailors and settlements also made its coastline useful for defense.

If you want a long historical visit, this stop will feel short. If you enjoy seeing places that are difficult to reach independently, it is a worthwhile part of the route. You get the photograph and the setting without spending a large part of the morning ashore.

Mamula Island and the bay’s darker past

From Perast: Boka Bay and Blue Cave Tour - Pick up - Mamula Island and the bay’s darker past

The boat then passes Mamula Island, once used as a prison. It is often compared to a Montenegrin Alcatraz, though you should treat that as a quick visual reference rather than expect a full prison tour.

The stop lasts about 10 minutes and is intended for viewing and photographs. You remain on the boat. The island’s position at the entrance to the wider bay makes it especially striking from the water, but the historical story gives the view more weight than a simple scenic pass-by.

This is one of the better moments for listening to the guide. The route is not only about bright water and holiday photographs. Mamula reminds you that Boka Bay has also been shaped by military control, confinement, and conflict.

The short stop works well within a two-hour tour. You get the main setting and context, but you will need a longer land-based visit if your main interest is the island’s full history.

Swimming in the Blue Cave

The Blue Cave is the trip’s main natural attraction. The boat travels for about 15 minutes from Mamula Island before reaching the cave, where you have up to 30 minutes for photographs, free time, and swimming.

Light entering the cave gives the water its strong blue color. The effect changes with the sun, sea conditions, and the time of day, so the exact appearance is not guaranteed. An early departure can be a smart choice when the sea is calm. One 9 AM departure was especially well suited to the cave because the water was calm and the color was clear.

Swimming is subject to conditions. If the sea is rough, the captain may change the course and use an alternative destination such as Porto Montenegro or Porto Novi. The tour can also be canceled if the weather is unsafe, though the stated policy allows free cancellation up to 24 hours before departure.

Bring swimwear, a towel, sunscreen, sunglasses, and a hat. You should also wear shoes that are suitable for getting on and off a boat and for water activities. A waterproof pouch for your phone is a practical addition, although it is not listed as a required item.

The Blue Cave is not the place for a long, relaxed swim. Thirty minutes includes the stop itself, and other boats may affect how much open space you have. Still, it gives you enough time to get in the water, see the color from inside, and dry off before the return ride.

What the speedboat ride feels like

From Perast: Boka Bay and Blue Cave Tour - Pick up - What the speedboat ride feels like

The boat is the key to the tour’s efficiency. You cover the route much faster than you would on a larger sightseeing boat, and the small-group or private format can make the stops feel more personal.

The ride is not always gentle. Wind and waves can make the open-water section uncomfortable, even when the skipper handles the boat well. A few departures have had notably choppy conditions, with strong boat handling keeping people safe but not removing the physical motion.

If you are prone to seasickness, this is not a good gamble. The activity specifically excludes people who are prone to seasickness, pregnant women, people with back problems, wheelchair users, babies under one year, people over 70, and anyone over 260 pounds or 118 kilograms.

The tour also includes music, sometimes at a fairly loud level. Some people enjoy the upbeat atmosphere, while others prefer to hear the guide and the sound of the water. If quiet sightseeing matters to you, ask about the music before departure.

Seating may also affect your comfort. The boat can carry a small group, and seating arrangements may change during boarding. If you are traveling as a family and want to sit together, arrive early and clarify the seating plan with the crew.

Guides, pacing, and the human side of the trip

The English-speaking guide is important because the tour moves quickly. You need clear explanations at Our Lady of the Rocks, the tunnel, and Mamula Island, since there is not much time to read signs or explore independently.

Aleksandar has led some departures and has been described as gentle, funny, and helpful with the historical background. Other departures have included professional guides and skilled skippers. Since the exact crew is not guaranteed, book this for the route and format rather than for one specific person.

The pacing is generally sensible. You get around 20 minutes at Our Lady of the Rocks, 10 minutes at the submarine tunnel, 10 minutes near Mamula, and about 30 minutes at the Blue Cave. The long return ride gives you time to settle back into your seat and watch the shoreline pass.

Some departures have lasted closer to three hours, even though the advertised duration is two to 150 minutes. Sea conditions, boarding, and stop timing can affect the day. Do not schedule an airport transfer or another fixed appointment immediately afterward.

Is $53 good value?

At $53 per person, the price is reasonable if you want several major sights in one outing. The cost includes the speedboat, English-speaking guide, insurance, the stop at Our Lady of the Rocks, views of both Porto marinas, the submarine tunnel stop, Mamula Island, and the Blue Cave swimming stop.

The price does not include entry to the church on Our Lady of the Rocks. That extra cost is small compared with the overall outing, but you should know it before arriving, especially if the church visit is important to you.

You are paying mainly for the boat, skipper, route, and time saved. A private or small-group departure may offer a more comfortable experience, but the exact group arrangement affects how much personal space you have. Ask what type of departure you are booking if this matters.

For a first look at Boka Bay, the tour gives you good value. You see religious heritage, luxury development, military history, an island prison, and a natural swimming site in one short trip. For a slow, quiet cruise with long stops, it is less suitable.

Weather, clothing, and practical preparation

This tour runs in rain or sunshine, and raincoats are provided if needed. That does not mean every weather condition is comfortable. Strong wind and rough sea may change the route, reduce the Blue Cave experience, or lead to cancellation.

Wear comfortable clothes that can handle spray. Keep a dry layer in a small bag, and use sunscreen even on a cloudy day because glare from the water can be strong. Sunglasses and a hat are useful, though secure your hat before the boat gets moving.

You may want to eat before boarding if you are sensitive to motion, but the supplied information does not specify food service. Do not smoke on the boat, and leave pets at home.

The tour is not suitable for wheelchair users, and the physical movement of a speedboat makes it a poor choice for serious back problems. It is also not designed for infants under one year or older people over 70.

Who should book this Perast boat tour?

I would choose this trip if you have limited time in Kotor Municipality and want a fast introduction to Boka Bay. It works particularly well for people who like photographs, short historical explanations, and a swim rather than a long museum visit.

It also suits you if you want to compare old Perast with Porto Montenegro and Porto Novi, or if Mamula Island and the submarine tunnels sound more interesting than another standard coastal cruise.

I would choose a different experience if you are prone to seasickness, need a quiet boat, require accessible boarding, or want long visits at every stop. The sea can be rough, the music may be loud, and the schedule leaves little room for lingering.

FAQ

Where does the tour start?

The tour starts at Pristaniste Perast. You will find a market at the meeting area, with the pickup dock across from it.

How long does the boat tour last?

The advertised duration is about two hours to 150 minutes. Some departures may take closer to three hours depending on boarding, conditions, and timing at the stops.

Is the tour conducted in English?

Yes. The tour includes a live English-speaking guide.

Is Our Lady of the Rocks included?

The boat trip and visit to the island are included. Entry to the church is not included.

Can I swim in the Blue Cave?

Yes, swimming is part of the experience when weather and sea conditions allow. Swimming may be canceled or replaced with another stop if the water is rough.

Do I enter the former submarine tunnel?

No. The tunnel is viewed from the boat, with time for a photo stop and an explanation.

What should I bring?

Bring swimwear, a towel, sunscreen, a hat, sunglasses, comfortable clothing, suitable water-activity shoes, and a camera.

Can the route change because of bad weather?

Yes. In rough seas, the course may change to an alternative such as Porto Montenegro or Porto Novi. The tour may be canceled if conditions are unfavorable.

Is the tour suitable for people with seasickness or back problems?

No. The tour is not suitable for people prone to seasickness or people with back problems. It is also not suitable for pregnant women, wheelchair users, babies under one year, people over 70, or people over 260 pounds or 118 kilograms.

Should you book this tour?

Book it if you want maximum scenery and variety in a short outing. The combination of Perast, Our Lady of the Rocks, Porto Montenegro, Porto Novi, submarine tunnels, Mamula Island, and the Blue Cave gives you a strong first look at Boka Bay for $53.

Skip it if your priority is calm water, quiet conversation, or long time ashore. For everyone else, choose a morning departure if possible, pack for sun and spray, and treat the Blue Cave swim as weather dependent. The route is the star, but a skilled skipper and an informative guide make the fast pace work.

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