If you like your sightseeing with a splash, this tour fits the bill. You get a private speedboat ride through Kotor Bay, time for swimming in the Blue Cave, plus classic Boka Bay stops around Perast and the church on Our Lady of the Rocks.

Two things I really like: the chance to swim right inside the Blue Cave (not just look at it), and the way the route mixes nature and history without turning the day into a marathon. In my notes, the captains are consistently described as friendly and good at sharing context, which helps the scenery feel more meaningful.

One drawback to plan around: this experience requires good weather, and speed on the boat can bring wind and cold in shoulder seasons.

Quick highlights before you go

• Blue Cave swim time: About 20 minutes in the cave with turquoise-blue water and fish around the area
• Snorkeling gear included: You have equipment on board, so you are not scrambling for rentals
• Perast stops in one run: Tre Sorelle, Our Lady’s Temple, and the Verige chains story all fit into 3 hours
• Short but memorable island visit: About 20 minutes on Our Lady of the Rocks (church and museum access)
• Free tunnel look at Luštica: A quick stop at the Former Submarine Tunnel complex

Setting out from Kotor Bay: meeting point and what 3 hours really feels like

Your tour starts at Park Slobode (Park Slobode E65) in Kotor, and ends back there. If you are on a cruise, you’ll exit the port, go left away from Old Town toward the sea, and find the park on the left side. Either way, you should arrive about 15 minutes early so you are not rushing when the boat is ready.

This is a private tour for up to 8 people, so you can set a realistic expectation: you are getting a concentrated sampler of Boka Bay, not a slow, museum-by-museum day. The total duration is about 3 hours, and only a couple of stops have specific time blocks listed (the Blue Cave and Our Lady of the Rocks).

Also, dress like you are going fast on open water. Even in pleasant weather, wind shows up on a speedboat, and the operator warns it can get chilly outside summer.

Prčanj’s Tre Sorelle Palace: Gothic drama with quick bay views

Early on, the route includes Prčanj and the Tre Sorelle Palace, a 15th-century building and one of the few Gothic-style architectural monuments in the Bay of Kotor. It is not the kind of place you take photos of from the roadside and forget—this spot comes with a story.

The tour description says the palace is tied to a legend of a love story, and the skipper may share it if you ask. The practical value here is the combo: a short culture stop plus the chance to look out over the bay from that Prčanj area, where the coastline looks different from the water than it does in Old Town photos.

If your group loves stories behind buildings, this is a great early stop. If you prefer pure time in the water, just know this is a brief add-on, not a long walk.

Perast highlights: Our Lady’s Temple, Verige, and the chain-blocking story

Perast is the big stage for this route, and the itinerary builds momentum with three linked highlights: Our Lady’s Temple, Verige, and then more of Perast’s baroque waterfront vibe.

Our Lady’s Temple: baroque scale you can actually feel

Our Lady’s Temple is described as baroque, dedicated to the birth of the Holy Virgin. The key detail for you is scale: it has been under construction for more than 120 years, and it is noted as one of the largest sacred objects in the Adriatic and the largest in Boka Bay. From the water, the size reads faster than from a street-level stroll.

If you enjoy religious architecture, you will likely find it impressive even with limited time.

Verige: the bay’s narrow choke point (about 300 meters wide)

Verige is a practical geographic feature—about 300 meters wide—and it is what turns this area into a defensive story. It divides the inner part of Boka Bay from the outer gulfs. On the left side sits the Church of Our Lady of Angels, with years written behind the door (1654 and 1685), and the narrative suggests the church itself may predate those years, with major renovation later on.

What really makes Verige memorable is the defense angle: during the period when Perast faced threats, citizens built fortress walls with loopholes around the church. The description also explains a dramatic method of defense—raising iron chains stretched across the narrow to block entry to the inner bay. That is why Verige means chains.

For a lot of visitors, these details turn what might look like a pretty shoreline into something you can picture as a working military chokepoint.

Blue Cave swimming: the light trick you can actually experience

The main nature moment is the Blue Cave, and the tour gives you real time inside. You get about 20 minutes to swim in the cave, and the water is described as unusually blue because light refracts through the cave entrances.

The numbers matter because they help you picture what you are entering: the cave is around 300 square meters in area, with arches up to about 25 meters high and a depth of roughly 3 to 4 meters. It has two entrances, and those entrances are part of what creates the glowing effect people talk about—water that looks like it is shining from below.

What you should expect from the swim

This is not a lazy paddle around the mouth. You are going into a cave-like environment where light changes as you move, and the water is shallow enough for snorkeling-type conditions rather than deep open-water swimming. The description also notes fish and octopuses, and divers find it popular for that reason.

Because snorkeling equipment is included, you can plan to use it without extra fees. I’d still treat this as a weather-dependent activity: if conditions are rough, you will want to be cautious in the water.

Luštica’s Former Submarine Tunnel: a quick look at wartime engineering

After Blue Cave, the route includes the Former Submarine Tunnel in the Luštica area. This stop is short—about 5 minutes—but it is specific and unusual, which is why it works in a 3-hour program.

Here is what the tour description tells you: Luštica has three tunnels cut into steep banks. They were built during Yugoslavia, but Luštica was a military base during the First and Second World Wars and also during the Cold War. The tunnels were used to hide and repair submarines and ships, with a tunnel length up to 50 meters, a width of about 7 meters, and average depth around 8 meters. The exit area gets deeper, up to about 30 meters.

The stop also mentions an underground complex with technical equipment for servicing and repairs. Even with limited time, this is the kind of place that makes you look at the shoreline differently—you see it as a former tool for defense, not just a pretty coast.

Admission here is free, so you are not paying to get the quick technical-history moment.

Our Lady of the Rocks: church + museum in about 20 minutes

Next comes Our Lady of the Rocks, the human-made island in Perast waters. The story is classic Boka Bay legend: two fishermen found an icon on a rock sticking out from the sea, and the community promised to build an island and church dedicated to Our Lady of the Rocks.

The tour lets you visit both the church and the museum on the island. The island entrance is described as free, but there is an important cost note: the Our Lady of the Rocks museum fee is €3.00 per person and is not included in the tour price.

The practical way to think about this stop is timing. You get about 20 minutes, which is enough for a look at the church and a quick museum walk-through, but not enough for long, slow reading if your group likes to linger.

If you want a balance of postcard view plus a small dose of art and artifacts, this is the stop to hit.

Mamula Fortress: seeing the defense line before it becomes luxury tourism

Mamula is a small island fortress at the entrance to the Boka Kotorska bay. It was built in the middle of the 19th century by General Lazar Mamula, and the stated purpose was to protect the bay from enemy entry into Austro-Hungarian territory.

The tour gives the shape and scale: the fortress diameter is about 200 meters, and the fortress is about 16 meters high. During World War I, it was used by Austrians as a prison. During World War II, Italian fascists turned it into a concentration camp. Today, the description says only a memorial plaque is left as a reminder of the prison.

One more practical detail: Mamula is closed to the public right now. The description says it has been leased for elite tourism, with plans for a luxury resort including a hotel, nightclub, spa, and restaurants. So on your tour, treat it as a “see what remains visible” stop rather than an interior visit.

This is a good moment if your group appreciates how one coastline can shift roles—from defense to detention to future development.

Price and value for a private tour up to 8 people

The price is $340.16 per group for up to 8 pax, and the total time is about 3 hours. That matters because you are not paying a per-person boat charter rate. For smaller groups, it will cost more per person; for full groups, the value improves quickly.

Included items are also part of why this can feel like good value:

• Bottled water
• Fuel surcharge
• Snorkeling equipment
• WiFi on board

You’re also not expected to pay for most on-the-water entries: Blue Cave admission is listed as free, and the Former Submarine Tunnel admission is free. The only explicitly listed non-included admission is the Our Lady of the Rocks museum fee (€3 per person).

One more subtle value point: in a short program like this, the quality of the skipper makes a difference. Recent guests highlight friendly, English-speaking captains and good ride comfort, plus careful attention to safety and communication before and after the trip. Names that came up include Stefan, Marko, Nemanja, and customer support help mentioned with Lily during reservation.

If you want a smooth, guided run with less hassle, this private format helps.

Who this tour suits best (and who should skip it)

This is a strong fit if:

• You want the Blue Cave swim plus historic sights in a single afternoon
• Your group includes mixed interests (water lovers and history fans)
• You like the idea of a small group where the skipper can answer questions—especially since the tour is private

It can be less ideal if:

• You dislike speedboats or you get seasick easily
• You want long stays ashore for slow walking and museum reading
• Your trip is in weather that might be unstable, since the experience requires good conditions

It can work for families too. One review specifically mentioned a family with kids aged 9, 8, and 3, and described the trip as smooth and enjoyable. Still, with small children, you’ll want to be ready for wind and time in and out of the water.

Should you book Sea Horizon’s Blue Cave & Lady of the Rocks tour?

I’d book it if your priority is a compact, high-impact route: swim in the Blue Cave, then stack Perast-area sights like Our Lady’s Temple, Verige, and Our Lady of the Rocks without spending the whole day traveling. The fact that snorkeling equipment is included, plus the short time math (about 3 hours), makes it practical.

I would hold off only if you know your schedule can’t handle weather changes. This is also not the best choice if you want long independent exploration on land; the stops are designed for an efficient circuit.

If you’re choosing between this and a more relaxed walking-heavy day, pick this one when you want motion, views, and a real cave swim. Pick a slower tour when you want quiet time on the promenade.

FAQ

How long is the Blue Cave & Lady of the Rocks private tour?

The tour duration is approximately 3 hours.

Where does the tour start and end?

It starts at Park Slobode E65, Kotor, Montenegro, and ends back at the same meeting point.

Do you get pickup in Kotor Bay?

Yes. Pickup is offered from Kotor Bay locations such as Kotor, Muo, Prčanj, Stoliv, and Dobrota.

Is snorkeling equipment included?

Yes. Snorkeling equipment is included in the tour.

Are any entrance fees required?

Blue Cave admission is free, and the Former Submarine Tunnel admission is free. The island entrance for Our Lady of the Rocks is free, but the Our Lady of the Rocks museum costs €3.00 per person and is not included.

Is this tour private?

Yes. This is a private tour/activity, and only your group participates, up to 8 people.