From Kotor: Boat to Blue Cave & Lady of the Rocks &Submarine Base

The best views around Kotor are offshore. This three-hour speedboat trip packs the Blue Cave, Our Lady of the Rocks, submarine tunnels, and Mamula Fortress into one fast outing from Kotor. I like the mix of swimming, scenery, and unusual military sites, and the $32.53 price is attractive for seeing so much of the bay and open sea in one go.

I also like that the tour returns to its starting point, making it practical for a short stay or cruise-port visit. The main catch is simple: the Blue Cave is weather-dependent and often crowded, while the boat ride can be rough and cramped. If you want a quiet, slow cruise with lots of historical commentary, this is probably not your best choice.

Key points to know before booking

• The Blue Cave is the headline stop, but rough water, high seas, or boat traffic can prevent entry.
• Swimming may happen outside the cave, and snorkeling equipment is not guaranteed for everyone.
• The submarine tunnels are short but unusual, with a memorable look inside former military facilities.
• Our Lady of the Rocks is an efficient cultural stop, though the island can feel crowded and 20 minutes is plenty.
• The speedboat ride can be bumpy, especially beyond the sheltered Bay of Kotor.
• Cruise passengers need a serious time cushion, since the boat leaves on schedule and late arrivals may miss the trip.

What the three-hour Kotor boat tour includes

The tour begins at Hawaii Boat Tours Kotor at Park Slobode 1, close to Kotor’s waterfront. It ends at the same meeting point, which keeps the logistics easy. The advertised duration is about three hours, including travel time, not three hours of sightseeing at the stops.

You should expect a fast boat and a full schedule. The route moves from Kotor toward the open water, then returns through the bay after visiting the main sights. Some passengers report around 45 minutes each way to the Blue Cave, depending on conditions, boat traffic, and the exact route.

At $32.53 per person, the price is fair if you value variety. You are paying for transport to places that are difficult to reach independently, plus swimming time and several major sights. It becomes less appealing if the Blue Cave is closed, the boat is crowded, or a fuel stop and rough water reduce your time at the attractions.

The advertised maximum is 80 passengers, but the boats described in the trip information and passenger accounts generally carry much smaller groups. Numbers around 11 to 16 people appear in the experiences provided. That can still feel crowded on a compact speedboat, especially when everyone is trying to photograph the same view.

The ride out from Kotor

The boat leaves Kotor and quickly turns the bay into a wide panorama of steep mountains, old stone settlements, and bright water. This is one of the strongest parts of the outing. Even before the first stop, you get a fresh view of the Bay of Kotor from water level.

The speed is part of the fun. A skilled captain can make the ride feel exciting, and Captain Boben receives special praise for handling the boat and keeping a large family group happy. Other captains have also been praised for safe navigation and for adjusting speed around waves and traffic.

The tradeoff is comfort. A speedboat does not glide like a large sightseeing vessel. Outside the bay, the water may become choppy, and several passengers describe a hard, bumpy ride. Sit where you can brace yourself, keep loose belongings secure, and bring a light layer even in warm weather. One May outing was described as too cold to enjoy fully.

The boat may get wet. Bring sunscreen, water, and a protective case for your phone. Water was not consistently provided, so do not assume refreshments will be available. If you need motion comfort, this is a trip where preparation matters.

The Blue Cave: beautiful, brief, and never guaranteed

The Blue Cave is the main reason most people book this excursion. Sunlight enters through the underwater opening and reflects off the water, creating the famous blue glow inside the cavern. The effect can be striking, especially when the sea is calm and the light is right.

The planned stop is about 30 minutes, but that does not mean you will spend 30 minutes inside the cave. Access depends on waves, water level, and boat traffic. Several accounts describe only a few minutes inside because other boats were waiting. At busy times, the cave can feel more like a rotating queue than a private natural wonder.

Swimming inside may also be restricted. In some conditions, the captain takes the group to a nearby swimming spot instead. This is a sensible safety choice, but it matters because the tour title puts the Blue Cave at the center of the experience.

Rain the night before, rough seas, or a high water level can make entry impossible. In one case, the boat reached the entrance but could not safely go in. If the cave is your only reason for booking, check the forecast and accept that nature has the final word.

The alternate swim stop can still be enjoyable. You may get 10 to 20 minutes in clear water outside the cave, sometimes with time to snorkel. However, the area can be surrounded by other boats, and some passengers have felt uneasy swimming among moving vessels. Follow the captain’s instructions closely and stay within the marked or supervised area.

Snorkeling gear appears to be limited. Some passengers did not have enough goggles for everyone who wanted to swim. Bring your own mask if snorkeling matters to you. That small bit of preparation can make the difference between watching others swim and enjoying the water yourself.

Our Lady of the Rocks and a quick look at Perast

Our Lady of the Rocks is a small man-made island opposite Perast. Its church and island setting make it one of the most memorable cultural sights in the bay. The island grew from a local tradition of placing rocks in the water, and the site remains closely tied to the identity of the Bay of Kotor.

The planned stop lasts about 20 minutes. That is enough for a short visit and photographs, though the island is small and can feel crowded. Some people need no more than 10 minutes to see the main sights, so do not expect a long independent walk.

The nearby town of Perast adds another layer to the experience. Its Baroque buildings, old palazzos, Catholic churches, defensive towers, and single main street give it a very different mood from Kotor. The boat may cruise by or pause near the town rather than provide a full walking visit, so you should not treat this excursion as a proper Perast town tour.

This part of the trip is valuable because it breaks up the swimming and speed. You get a glimpse of Montenegro’s religious and architectural past without committing to a long museum visit. Commentary varies, though. Some captains provide useful explanations, while others say little beyond the basic stop information.

Former submarine tunnels: the tour’s best surprise

The former submarine tunnels are one of the most unusual stops. Cut into the mountain, these narrow military entrances once sheltered submarines from view. The speedboat enters the tunnel, giving you a close look at the rough stone opening and the dark interior.

The stop lasts about 10 minutes, so it is brief. Still, this is the kind of sight that gives the tour character. Beaches and blue water are easy to find around the Adriatic. A hidden military tunnel is less ordinary.

Several passengers especially enjoyed this stop, and one called it a very cool surprise. The captain may explain its past, but the amount of information can vary. If military history interests you, listen carefully and ask questions while the boat is inside. If you expect a detailed guided presentation, you may find the explanation too short.

The tunnel also makes a good photo stop, but light can be poor inside. A phone camera may struggle, so enjoy the place itself rather than spending the whole visit trying to capture it.

Mamula Fortress from the water

The boat makes a short stop of about 10 minutes around Mamula Fortress. The round stone fortress sits on an island at the entrance to the Bay of Kotor and later served as a prison. Its setting is dramatic, with open water around the walls and a strong sense of isolation.

You should think of this as a viewing stop, not a full fortress visit. The boat circles or pauses near the island, and the captain shares stories about its military and prison past. The stop is short, but the view gives useful context to Montenegro’s difficult wartime history.

Mamula is also where the trip feels most exposed to the open sea. Conditions may be rougher here than inside the bay. If the water is already uncomfortable, the return ride may feel long.

Commentary, safety, and the captain

The captain makes a major difference on this tour. Some passengers praise careful boat handling, clear navigation, and a reassuring manner. Families with children have described feeling safe, and several accounts single out the captain’s skill around waves and heavy boat traffic.

The weak point is commentary. Some trips include useful narration about the sites, while others offer very little information. One experience used recorded information, and another described a captain who spoke little English. If you want a detailed history lesson, this may disappoint.

Safety feedback is mixed. Positive accounts describe careful captains and good decisions about avoiding unsafe cave swimming. Negative accounts raise concerns about missing safety instructions, uncomfortable driving, and poor handling of minor injuries. These complaints are serious enough that you should pay attention when boarding, locate your life jacket, and speak up if the ride feels unsafe.

The operator says boats follow licensed capacity rules, and one response gives a capacity of 14 people including the captain. Yet several passengers describe feeling overcrowded with 13 to 16 people. Ask about the boat size and expected group count before departure if personal space matters to you.

Cruise passengers need extra planning

Kotor is a tender port for some cruise ships, and getting ashore can take much longer than expected. One group needed three and a half hours to reach the port after a medical delay onboard. Another missed the boat by eight minutes.

The tour leaves at a fixed time. Arriving 30 minutes early is requested, even though some passengers felt 15 minutes was enough. For a cruise visit, I would follow the full 30-minute instruction and allow additional time for tendering and finding the meeting point at Park Slobode 1.

Do not count on a same-day switch if your ship arrives late. The cancellation terms allow a full refund only when you cancel at least 24 hours before departure. Changes made within 24 hours are not accepted, and late arrivals may lose the fare. If missing the tour would ruin your port day, a cruise-arranged excursion or a more flexible operator may be safer.

The company does offer a different date or full refund if poor weather cancels the trip, and the same applies if the minimum number of passengers is not met.

Who should book this speedboat trip?

I would recommend it to you if you want a lively half-day on the water and prefer several sights over a slow, detailed visit to one place. Families, active couples, and first-time visitors to Kotor can see a lot in a short period.

You should also be comfortable with sun, spray, speed, and a rough ride. The trip suits people who see the boat journey as part of the fun, not merely transportation between attractions.

I would think twice if you have back problems, dislike crowded boats, need extensive historical explanation, or are booking only for an inside swim at the Blue Cave. The cave may be closed, briefly accessible, or too busy for the experience you imagined.

Should you book the Kotor Blue Cave tour?

Book it if the $32.53 price, fast pace, and mix of natural and military sights appeal to you. The Blue Cave can be stunning, the submarine tunnel is genuinely unusual, and Our Lady of the Rocks gives the trip cultural depth. The best experiences combine good weather, a capable captain, and a manageable group.

Skip it or choose a private boat if comfort and personal space matter more than price. A private departure should also give you more control over swimming time and pacing, though the Blue Cave will still depend on sea conditions.

For most people, this is a worthwhile Kotor outing with clear limits. Go for the whole package, not just the cave, arrive early, bring water and sunscreen, and expect the Adriatic to provide both the beauty and the bumps.

FAQ

Where does the tour start and finish?

It starts at Hawaii Boat Tours Kotor, Park Slobode 1, Kotor 85330, Montenegro. The tour ends back at the same meeting point.

How long does the experience last?

The tour lasts approximately three hours, including travel time between Kotor and the different stops.

How much does the tour cost?

The listed price is $32.53 per person.

Is the Blue Cave always accessible?

No. Entry depends on weather, waves, water level, and conditions at the cave entrance. The captain may replace cave swimming with a nearby swimming stop when entry is unsafe.

Can you swim inside the Blue Cave?

Swimming inside the cave may not be allowed or possible. Swimming can take place at a nearby spot outside the cave instead.

Is snorkeling included?

The Blue Cave stop is suitable for swimming and snorkeling, but snorkeling equipment is not guaranteed for every passenger. Bringing your own mask may be useful.

How long is the stop at Our Lady of the Rocks?

The planned stop at Our Lady of the Rocks lasts about 20 minutes.

How long do you spend at the submarine tunnels?

The planned stop at the former submarine tunnel lasts about 10 minutes.

Is Mamula Fortress a walking visit?

No. The tour makes a short stop around Mamula Island and Fortress, lasting about 10 minutes. The fortress is viewed from the boat.

What happens if bad weather cancels the tour?

If poor weather causes cancellation, you will be offered a different date or a full refund.

Can you cancel for a full refund?

Yes, if you cancel at least 24 hours before the experience start time. Cancellations or changes made less than 24 hours in advance are not accepted for a refund.