Review · SEA CAVE AND GROTTO BOAT TOURS
Kotor: Our Lady of the Rocks and Blue Cave Group Boat Tour
The glowing water inside Montenegro’s Blue Cave is the headline here, but the ride across Boka Bay gives you much more than a quick swim. In a few hours, you visit Our Lady of the Rocks, pass Cold War submarine tunnels, see Mamula Island and its former prison, then enter the cave by speedboat.
I like the small-group feel and the useful mix of sights. You get history, scenery, boat time, and a swim without committing to a full-day cruise. I also like the careful communication before departure. Jovan and other staff have been praised for sending directions and weather updates through WhatsApp.
The main drawback is the ride itself. You spend a good part of the outing on a fast boat, and the sea can be choppy. Bring a jacket, hold on when the boat picks up speed, and do not book this if you need step-free access or are uncomfortable with a lively ride.
Key points to know before booking

- The Blue Cave is reached by boat: You enter the cave aboard the speedboat, then stop nearby for swimming and snorkeling.
- Our Lady of the Rocks includes a 20-minute visit: The church and museum require an extra entrance fee.
- The route combines four kinds of sightseeing: Island culture, bay scenery, Cold War military sites, and open-water swimming.
- The small boat matters: Groups have room to move and ask questions, unlike a large sightseeing vessel.
- Sea conditions can change the experience: Morning departures may have calmer water, while wind and weather can affect timing.
- Arrive 20 minutes early: The boat is expected to leave on time, and summer traffic around Kotor can be slow.
A fast boat introduction to Boka Bay

This tour starts at Park Slobode, beside the speedboat booths and docks in Kotor. An employee should be waiting with a company shirt and a list of passengers. The meeting point is close to the cruise-ship area, but give yourself plenty of time to find the right dock.
The early part of the trip is a scenic ride across Boka Bay. The speedboat covers ground quickly, which is the reason this tour can fit several stops into roughly two to three hours. You will also spend time simply looking at the steep shores, old settlements, and water around the bay.
That speed comes with a trade-off. The boat can feel bumpy when the water is unsettled, and wind is stronger than it may seem from the shore. I would wear clothes that can handle spray, bring a light jacket even in warmer months, and use biodegradable sunscreen.
The boat operator watches the weather closely. In past departures, staff have suggested a later start when clouds or rain made conditions less appealing. That flexibility is useful, but you should still understand that this is an outdoor trip, not a weather-proof sightseeing bus.
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Our Lady of the Rocks and the short stop in Perast

The first major stop is Our Lady of the Rocks, the small island opposite Perast. The boat usually reaches the area after about 20 minutes, with a short sightseeing pass by Perast before the island visit.
You get around 20 minutes on the island. That is enough to walk around, take in the view, and visit the church and museum if you choose. The guide explains the island’s cultural and religious importance, while the surrounding water gives you excellent views back toward Perast and the bay.
The church entrance is not included in the $53 price. This is a small extra cost, but it is worth knowing before you arrive so you can decide quickly during the limited stop. If you only want photographs and fresh air, you can remain outside and enjoy the setting without paying the entrance fee.
I find this stop valuable because it gives the fast boat ride a sense of place. The island is not just a photo stop. It connects the scenery with local tradition, and the guide’s short explanation helps you understand why this small patch of land matters.
The limitation is time. Twenty minutes goes quickly, especially if you want both the church and outdoor views. If religious art and museums are your main interest, a separate visit to Perast would give you more breathing room. On this tour, the island is one part of a larger route.
Cold War tunnels along the coast

After Our Lady of the Rocks, the boat heads toward former submarine tunnels cut into the coast. These narrow entrances are reminders of Yugoslavia’s Cold War military past. The speedboat can approach the tunnel openings, giving you a close look from the water.
The stop is listed at about 10 minutes. You should think of it as a viewing stop, not a walking tour through the tunnels. The guide provides context about their former use, and the dark openings make a sharp contrast with the bright bay outside.
This is one of the more unusual parts of the route. Many visitors come to Kotor for churches, mountains, and old stone towns. The submarine pens add a more recent and slightly mysterious layer to the area.
Do not expect a long military-history talk. Commentary is generally brief because the boat is moving between stops. If you want a detailed study of the Cold War period, you will need another source. If you simply want to see a striking piece of coastal history from the water, the stop works well.
Mamula Island and the former prison

The route continues toward Mamula Island, where you see the remains of a former prison. The island sits in an attractive setting, which makes the contrast with its past especially noticeable.
The scheduled sightseeing stop is short, around five minutes. In practical terms, this means you will likely see the island from the boat and hear an explanation rather than spend time ashore. The guide may point out details as the boat passes.
I like this part of the trip because it breaks up the natural beauty with a reminder that the bay has not always been a holiday setting. The old military sites and prison give the journey more substance than a simple cruise from one swimming spot to another.
Again, keep your expectations in check. This is not a prison tour, and the itinerary does not provide a long landing here. You get a quick look, a story, and photographs before continuing toward the Blue Cave.
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Entering the Blue Cave by speedboat

The Blue Cave is the most anticipated stop, and it is easy to see why. The boat enters the cave, allowing you to view the reflected blue light from the water rather than simply looking at the entrance from outside.
The cave stop lasts about 30 minutes. Part of that time is used to enter and look around, and part is set aside for swimming or snorkeling at a nearby spot. The exact swimming location can change depending on boat traffic and sea conditions.
The water color is strongest when the light and weather cooperate. It can be a striking sight, but you should not expect the cave to feel private in the busiest part of summer. Other boats may be nearby, and the space inside the cave is limited.
A thoughtful skipper may move the group to a quieter swimming area instead of placing you among a cluster of boats. That can mean less time directly at the cave, but it may give you a safer and more pleasant swim. One useful detail from past outings is that some groups chose to explore additional caves rather than swim. The skipper adjusted the experience to suit the group.
Bring a swimsuit and towel, though towels are not listed as included. Bottled water is provided. You should also bring secure footwear, since climbing in and out of a speedboat is different from stepping off a large ferry.
The swimming time is one of the tour’s strongest features, but it is not a guaranteed long beach session. The overall stop is around 30 minutes, and the group may spend that time between the cave, boat positioning, and swimming. If you want hours in the water, book a dedicated beach or swim trip instead.
What the guides add to the ride
The English-speaking skipper is both your boat driver and your guide. Several names appear in recent departures, including Jovan, Jovan Macic, Vule, Dragan, Phillip, and Vla. The exact skipper depends on the day, but the role is the same: handle the speedboat, point out the sights, and explain the history along the route.
The best guides keep the commentary short and useful. That suits this tour because much of the experience happens while the boat is moving. You hear about Kotor, Perast, the island, the tunnels, and Mamula without sitting through a long lecture.
Communication before the trip is another strong point. Staff have sent meeting instructions, photographs, and weather updates through WhatsApp. That is especially helpful in Kotor, where several boats leave from nearby docks and summer traffic can delay anyone arriving by car.
Do not expect a private guide devoted only to your party unless you book the private option. Even in a small group, the guide needs to balance different interests, boat safety, and timing. The result is usually more personal than a large cruise, but still a shared outing.
Is the $53 price good value?
At $53 per person, the price is reasonable for a small-group speedboat trip that combines several locations. The boat tour, skipper-guide, and bottled water are included. You also avoid arranging separate transport to Our Lady of the Rocks, the submarine tunnels, Mamula, and the Blue Cave.
The value comes from the route. You see a broad section of Boka Bay and reach places that would be awkward to combine on your own in only a few hours. The boat ride is not just transport. It is the main way to appreciate the scale of the bay and the changing views along the coast.
You need to budget for the church and museum entrance at Our Lady of the Rocks. That fee is separate. Food is not listed as included, but the tour is short enough that most people can manage without a meal break.
A private boat is also available, though the price and exact arrangement are not provided here. For a family or larger party, ask the operator what private pricing includes before booking. For most couples and small groups, the shared option offers a good balance of cost and personal attention.
Timing, comfort, and who should book

The advertised duration ranges from 1.5 to 3 hours, while the full route is commonly described as about three hours. Allow the longer amount of time when planning your day, especially if you have a cruise departure, airport transfer, or restaurant booking afterward.
Arrive at least 20 minutes before departure. This is not a casual suggestion. The company aims to leave on time, and traffic jams in Kotor are common during summer. If you are driving, park early and walk to Park Slobode rather than trying to cut the timing close.
This tour suits you if you want a compact introduction to Boka Bay and enjoy being on the water. It works well for couples, families, and small groups who want scenery with a little history and a chance to swim.
It is less suitable if you are pregnant, use a wheelchair, weigh more than 275 pounds or 125 kilograms, or dislike bumpy boat rides. The speedboat has limited accessibility compared with a larger vessel, and getting on and off requires mobility.
Families can do well on the tour. One departure included a three-year-old, with the guide taking care to keep the family comfortable. Still, parents should judge their child’s tolerance for wind, noise, speed, and a long period seated on a boat.
The boat ride can feel cold outside the height of summer. April and October departures may have pleasant weather, but the wind can still cut through light clothing. A jacket is a simple and useful addition to your day bag.
Simple ways to make the trip better

- Arrive early and confirm the boat with the staff member holding the passenger list.
- Bring a light jacket, even on a sunny day.
- Wear comfortable shoes with a secure sole.
- Pack swimwear and consider bringing a towel.
- Use biodegradable sunscreen.
- Keep phones and cameras secure during fast sections.
- Ask about the weather if you are choosing between departure times.
- Decide in advance if you want to pay for the church and museum at Our Lady of the Rocks.
- Do not smoke or litter on the boat or at the stops.
Should you book this Kotor boat tour?
I would book it if I had only a few days in Kotor and wanted to see more than the old town. The route covers Our Lady of the Rocks, Cold War submarine tunnels, Mamula, and the Blue Cave in one well-priced outing. The small boat, helpful pre-trip messages, and flexible approach to weather add real practical value.
I would skip it if you want a slow cruise, long time on shore, or a guaranteed calm sea. The ride can be bumpy, the commentary is fairly concise, and the Blue Cave stop is shared with other boats.
For most active visitors, this is a smart use of three hours. Arrive early, bring a jacket and swimwear, and treat the speedboat ride as part of the attraction rather than simply a way to get from one stop to the next.
FAQ
Where does the boat tour start?
The meeting point is Park Slobode in Kotor, next to the speedboat booths and docks. An employee should be waiting nearby in a company shirt with a list of customers.
How early should I arrive?
Arrive at least 20 minutes before the scheduled start. The tour is planned to leave on time, and traffic around Kotor can be heavy during summer.
How long does the tour last?
The stated duration ranges from 1.5 to 3 hours. The full route is commonly planned as about three hours, so allow that much time when organizing the rest of your day.
Is the tour conducted in English?
Yes. The tour includes a live English-speaking skipper and guide.
Is Our Lady of the Rocks entrance included?
No. The boat tour includes the visit, but entrance to the church and museum requires a separate payment.
Can I swim during the tour?
Yes. The route includes a stop near the Blue Cave for swimming and snorkeling. The exact location and time can depend on sea conditions and boat traffic.
Does the boat enter the Blue Cave?
Yes. The speedboat enters the Blue Cave so you can see its blue light from inside the boat.
Is bottled water included?
Yes. Bottled water is included with the boat tour and skipper-guide service.
Who should not book this activity?
The tour is not suitable for pregnant women, wheelchair users, or people over 275 pounds or 125 kilograms. The speedboat can also be bumpy, so it may not suit anyone who is uncomfortable with rougher water.
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