Review · BLUE CAVE & GROTTO TOURS
VIP Private Charter: Blue Cave & Lady of the Rocks (Flexible)
The best views of Kotor come from the water. This private three-hour speedboat trip links the Bay of Kotor, Our Lady of the Rocks, the Blue Cave, Mamula Island, and former submarine tunnels in one compact outing. You get your own boat for up to six people, an English-speaking skipper, fuel, insurance, and water.
I especially like the flexible private format and the chance to swim in the Blue Cave. Your captain can adjust the pace and, when conditions allow, find a quieter place for a swim. The main drawback is the long run out to the Blue Cave, plus the fact that a speedboat ride can feel bumpy and chilly, particularly in spring and autumn.
The tour has a 4.9 rating from 172 reviews, with 99 percent of customers recommending it. That is strong evidence that the basic formula works: beautiful scenery, a friendly captain, historical stops, and plenty of time on the water. Still, the experience depends heavily on weather, sea conditions, boat traffic, and the skipper assigned to your group.
Quick Take: What Makes This Boat Trip Worth Considering

- Private boat for up to six people: You avoid sharing the ride with a large group and can ask for small changes to the route.
- Blue Cave swim: Sunlight turns the water blue inside this coastal cave, making it the trip’s most memorable natural stop.
- Our Lady of the Rocks: A short island visit adds art, local tradition, and maritime history to the swimming and sightseeing.
- Former submarine tunnels: These Cold War-era military passages provide an unusual, slightly eerie stop.
- Good cruise-port option: The marina is close to Kotor’s cruise area, and the outing ends where it begins.
- Weather matters: Poor conditions can cancel the trip, while wind and waves can make the ride rough.
From Kotor’s Harbor Into the Bay

You meet at Kotor Boat Tours and Blue Cave, at Slobode 1, near the waterfront. The operator asks you to arrive at least 30 minutes early. That is sensible advice, especially if you are coming from a cruise ship or driving through Kotor, where traffic and roadworks can slow you down.
The first part of the trip takes about 20 minutes through the Bay of Kotor. From the boat, you see the bay in a way that walking through the Old Town cannot provide. Fishing villages, Mediterranean greenery, stone buildings, and mountain walls slide past at water level.
This opening stretch also helps you settle into the boat. The ride is not just transportation between stops. You get broad views of Kotor and the coast, with the skipper providing local stories and explanations along the way.
The boat is shaded, and drinking water is included. That matters in full sun, since much of the route leaves you exposed to wind and glare. Bring sunglasses, a hat, sunscreen, and a light jacket. Even warm weather on land can feel cool once the boat picks up speed.
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Our Lady of the Rocks and the Venetian Town of Perast

The boat continues toward Perast, one of the prettiest corners of the bay. You pass its stone waterfront, old churches, and baroque buildings from the water. Perast grew as a maritime center during the Venetian period, and its architecture still reflects that seafaring past.
The main stop is Our Lady of the Rocks, a man-made island created over generations by local sailors. The island’s origin gives the visit a distinctly local character. It is not simply a church placed on a scenic patch of land. The island grew from a long tradition connected to sailors, boats, and offerings made at sea.
You have about 20 minutes here. The historic church contains paintings, votive offerings, and handmade objects. The admission fee is not included and costs 3 euros. You need to wear at least a T-shirt inside the church, so do not arrive in swimwear alone. Swimming and drone use are forbidden at the island.
The visit is brief, but it gives the tour a useful change of pace. After the open water and speedboat ride, you get a little art, religion, and local culture. I would not treat this as a full museum visit, though. Twenty minutes is enough for the church and a quick look around, not a slow examination of every object.
Opening hours change with the season. In April, May, and October, the church and museum close at 5 pm. In June and September, they close at 6 pm, and in July and August, they close at 7 pm. If your trip is late in the day, confirm that the timing allows the visit.
The Blue Cave on the Luštica Peninsula

The Blue Cave is the tour’s main natural attraction. It lies along the Luštica Peninsula, outside the inner bay, so reaching it takes time. That longer ride is the one consistent trade-off in the itinerary. You spend less time at the individual stops than on a full-day cruise, but you cover a wide stretch of coast.
Inside the cave, sunlight enters through openings in the rock and reflects from the pale seabed. The water takes on a blue glow, and the clear sea makes this a good place for a swim when conditions are safe.
You have about 20 minutes at the cave. That may be enough for a short swim and photographs, but the stop can feel rushed if many boats arrive at once. Captains may limit the time inside when the cave is crowded or the water is unsettled.
Bring a towel, swimwear, and flip flops. You should also be a confident swimmer if you plan to get in. The provided information notes that swimming can feel difficult for less confident swimmers when there is current. You may be able to swim from the boat in a quieter nearby area, depending on the skipper and conditions.
Timing can make a real difference. One captain took a group to the cave early, before many other boats arrived, allowing a peaceful swim in the blue water. That is one reason the private format is useful. You can ask about starting early or adjusting the order, though the final route depends on weather and sea traffic.
Mamula Island and Its Troubled Past

On the way back, the boat passes Mamula Island. Its round stone fortress was built in the 19th century as a defensive position. During World War II, the island was used as a prison.
You do not generally get an extended landing here on this itinerary. Instead, the captain explains the island’s military role and wartime past as you pass. The fortress is striking from the water, with thick walls and a commanding position at the entrance to the bay.
This short passage works well because it gives you historical context without adding another long stop. The tour is already trying to fit several major sights into roughly three hours. A boat-level view of Mamula keeps the route moving while adding a serious note to an otherwise cheerful day of swimming and sightseeing.
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Through Verige to the Former Submarine Tunnels

The return route includes Verige, the narrowest passage in the Bay of Kotor, before entering the Bay of Tivat. The change in scale is interesting. The broad bay gives way to a tighter waterway, where the surrounding mountains feel closer.
The former submarine tunnels are one of the most unusual stops. These military passages were once secret facilities used during the Cold War to shelter submarines and warships. The boat enters the tunnel for about five minutes while the guide explains its purpose and past.
Do not expect a long underground tour. Five minutes is a quick look, but the setting itself makes the stop memorable. The tunnels are dark, stark, and very different from the churches and coastal villages earlier in the day. Several passengers have singled out this stop as more interesting than expected, and I can see why. The Blue Cave is beautiful, but the submarine tunnels reveal a less polished side of Montenegro’s coast.
How Flexible Is the Private Charter?

The word flexible matters here, but it does not mean you can create any route you want under all conditions. The tour includes a planned sequence of sights, and you have roughly three hours to cover them.
Within that framework, a private group can ask for adjustments. Captains have changed the pace to suit weather, spent more time at preferred locations, and added a quiet swim stop when conditions allowed. One group experienced rain and changing weather, but the captain adapted the order and shortened some stops to return before dark.
That flexibility is most useful for families, couples, and cruise passengers with a tight schedule. You can tell the skipper what matters most: the cave, swimming, history, or scenery. If the sea is rough, the captain may need to change the plan for safety.
The private setup also gives you a quieter social experience. Only your group participates, so you are not waiting for a bus full of people or trying to hear a guide over a large crowd. A private boat is particularly useful for a family with different interests. Strong swimmers can ask for more water time, while others can stay aboard and enjoy the views.
Boat Comfort, Speed, and Safety

This is a speedboat trip, not a slow sightseeing cruise. You should expect wind, spray, and a ride that can bounce over waves. Several passengers found the ride exciting, while one detailed complaint described it as too rough and unsafe.
The operator responded that the skipper is licensed, that speed is monitored in the bay, and that wave conditions can make the boat feel more intense. The practical lesson is simple: tell the skipper immediately if the speed or motion makes you uncomfortable. The boat may be able to slow down or adjust its route.
You should also bring warmer clothing than you think you need. A jacket or sweatshirt is a smart choice for the return ride, especially late in the afternoon or outside the main summer months. In April, May, and October, the sea air can feel chilly even when Kotor itself feels pleasant.
The tour includes insurance, fuel, water, and an English-speaking skipper or guide. Alcohol is not included. Service animals are allowed, and most people can participate, but the operator requires good weather.
Price and Value for a Group of Six

The listed price is $356.90 per group of up to six people. That works out to about $59.48 per person if you fill the boat. For a couple, the per-person cost is much higher, but you are paying for privacy, a dedicated skipper, and the ability to shape the outing around your interests.
The value is strongest for families or friends who would otherwise book several separate activities. In three hours, you see the bay, Perast, Our Lady of the Rocks, the Blue Cave, Mamula, Verige, and the submarine tunnels. Fuel, insurance, and water are already included.
The 3 euro church admission is the only listed entrance fee. Alcohol costs extra, and you should budget for your own food if needed, since no meal is included.
I would choose this tour when time is limited and you want a lot of scenery in one outing. I would not choose it if you prefer slow museum visits, long time on one beach, or a calm boat with no speed. The route covers a great deal, but it does so at a brisk pace.
Who Should Book This Experience?
This is a strong choice for cruise passengers. The meeting point is close to Kotor’s waterfront, and the tour returns to the same place. That makes it easier to combine with a short walk through the Old Town before or after the boat ride.
Families with teenagers should also find plenty to like. The cave swim, speedboat ride, and submarine tunnels give the trip variety. At the same time, the church, Perast, and the captain’s commentary add interest for adults.
Couples and small groups benefit most from the private format. You can set the mood, connect to Bluetooth music if the captain permits it, and avoid sharing the boat with strangers.
I would be cautious if you are prone to seasickness, dislike fast boats, or are not a confident swimmer. You can stay aboard at the cave, but the ride itself can still feel lively. Ask about sea conditions before departure and speak up if you need a slower pace.
Booking Details, Weather, and What to Pack
Free cancellation is available until 24 hours before the start time. Changes made less than 24 hours before departure are not accepted, and late cancellations are not refunded.
Bad weather can cancel the trip. In that case, you are offered another date or a full refund. This policy is helpful, but you should avoid scheduling the tour too close to the end of a cruise stop if the Blue Cave is especially important to you.
Pack:
- Sunglasses, sunscreen, and a sunhat
- Swimwear, towel, and flip flops
- Comfortable shoes or sandals
- A jacket or warm top
- A camera
- Water, although drinking water is provided
If you arrive by car, allow extra time. Traffic near the meeting point and roadworks on the main road can cause delays. The operator asks you to arrive at least 30 minutes early.
Should You Book This Kotor Boat Tour?
I would book it for a small group that wants the biggest possible sample of Kotor Bay in a short time. The private boat, Blue Cave swim, Our Lady of the Rocks, and submarine tunnels create a good mix of scenery, local culture, and unusual history.
The decision comes down to your tolerance for speed and schedule. You should expect a brisk three hours, a potentially bumpy ride, and only short visits at some stops. If that sounds exciting, the price is reasonable for a full boat of six and the route offers excellent variety. If you want a quiet, slow cruise, choose something gentler.
FAQ
How long is the private boat tour?
The tour lasts approximately three hours.
How many people can join the private charter?
Up to six people can participate in the private group.
Where does the tour start and end?
It starts at Kotor Boat Tours and Blue Cave, at Slobode 1 in Kotor. The tour ends back at the same meeting point.
Is the tour offered in English?
Yes. An English-speaking skipper or tour guide is included.
Is swimming included?
Swimming in the Blue Cave is part of the experience when weather and sea conditions permit. You may also stop for a swim in another quiet area, depending on the skipper and conditions.
Is admission to Our Lady of the Rocks included?
No. Admission costs 3 euros and is paid separately.
Can I enter the church in swimwear?
No. You must wear at least a T-shirt inside Our Lady of the Rocks Church.
Can I swim or use a drone at Our Lady of the Rocks?
No. Swimming and drone use are forbidden at the island.
What happens if bad weather cancels the tour?
You will be offered a different date or a full refund.
Can I cancel for free?
Yes. You can cancel for a full refund up to 24 hours before the experience start time.
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