Cruises From PortAn Independent Guide

Montenegro · Adriatic · Kotor waterfront

Boat Tours & Day Cruises from Kotor

One waterfront, two completely different seas. Everything inside the Verige strait stays flat on days when the boats heading out to the Blue Cave never leave the jetty.

Day-cruise boats at Kotor waterfront on a boat tour from Kotor, Montenegro
Kotor waterfront · 42.4247, 18.7712
Boats compared
17
From
$29 per person
Average rating
4.6/5
Season
Apr – Oct

Quick answer

Seventeen bookable boats leave the Bay of Kotor on a normal summer morning, from $29 for two hours at Perast to $464 for a private hull. Almost all of them sell the same four sights in a different order: the Blue Cave, the Yugoslav Navy's submarine tunnels on Luštica, the fortress islet of Mamula, and the man-made island church of Our Lady of the Rocks off Perast. The cheapest boat that covers all four is $41; the most-booked is $58 across 4,869 reviews.

The fact that decides your day is geography, not price. Perast and Our Lady of the Rocks sit deep inside the bay, behind the Verige strait — 340 metres of water at its narrowest, according to the survey figures the Verige bridge project has been drawn against. The Blue Cave, Mamula and the tunnels sit outside it, on the open Adriatic at the bay mouth. That single line on the chart explains why one operator cancels while the boat on the next jetty sails, and it is the whole of the weather story here.

If your only goal is the island church, you do not need a tour at all. The Blue Line bus runs Kotor to Perast for €2 cash to the driver, and the local boatmen shuttle across in five minutes for a few euro more. The arithmetic is below — along with the list of things that cheap morning does not include, starting with the cave.

Compare

Which boat from Kotor is right for you?

The six shapes of boat day that leave the Kotor waterfront, with the cheapest well-reviewed example of each. Every price, duration and review count here is the operator's own figure from the listings further down this page, re-checked in September 2026; the last column is the thing that actually decides between them.

Type of dayTime outSwim stopsFromWhat decides itBook
Perast and the island church1.5 – 2 hoursNone$29Inside the strait — sails when the cave boats cannot Details
Cave, tunnels and the Rocks3 hoursOne or two$41The full four-sight route at the lowest price Details
Cave, tunnels, Mamula and Perast3 hoursOne$48Adds the fortress islet, 4.8★ over 1,590 reviews Details
Whole bay, full day8 – 9 hoursOne$29Bay towns and lunch rather than a fast cave run Details
Catamaran, full day8 hoursSeveral$109Deck space, shade and a slow crossing Details
Private speedboat3 hoursAs you like$464Your own timings at the cave and the tunnel Details

The boats

Day cruises and boat tours from Kotor

Every boat below is currently bookable and carries its operator's own rating and review count. Prices are per person unless the card says the boat is private, in which case the figure buys the hull for the whole group. Departure points differ — several of these load at Tivat, Dobrota or Budva rather than at Kotor's own jetties, and the pier block explains what that means for your morning. Re-checked in September 2026.

Blue Cave, Submarine Base, and Lady of the Rocks Tour — a boat tour from Kotor, Montenegro

Blue Cave, Submarine Base, and Lady of the Rocks Tour

4.8★ (4869 reviews) · 3 hours · from $58

Route
Blue Cave, the submarine base on Luštica and Our Lady of the Rocks
Boat
Covered speedboat
Departs
Kotor waterfront, Park Slobode jetties
Swim stops
One, inside or beside the cave
Group
Group, capped by the hull
Best for
The standard first boat trip in the bay
Check Availability
Blue Cave Swim, Lady of the Rocks & Submarine Tunnels — a boat tour from Kotor, Montenegro

Blue Cave Swim, Lady of the Rocks & Submarine Tunnels

4.7★ (4722 reviews) · 3 hours · from $58

Route
Swim in the Blue Cave, then the Rocks and the submarine tunnels
Boat
Speedboat
Departs
Kotor waterfront
Swim stops
One, in the cave itself
Group
Group
Best for
Anyone whose priority is swimming in the cave
Check Availability
From Kotor: 3h Blue Cave, Swimming and War Tunnels Tour — a boat tour from Kotor, Montenegro

From Kotor: 3h Blue Cave, Swimming and War Tunnels Tour

4.7★ (2194 reviews) · 3 - 7 hours · from $41

Route
Blue Cave, wartime tunnels and a swim, with longer variants offered
Boat
Speedboat
Departs
Kotor waterfront
Swim stops
One or two, more on the long version
Group
Group
Best for
The cheapest way to cover all four headline sights
Check Availability
Blue Cave, Submarine Base, Mamula, Perast & swim time — a boat tour from Kotor, Montenegro

Blue Cave, Submarine Base, Mamula, Perast & swim time

4.8★ (1590 reviews) · 3 hours · from $48

Route
Blue Cave, submarine base, Mamula island and Perast with swim time
Boat
Speedboat
Departs
Kotor waterfront
Swim stops
One
Group
Group
Best for
Adding Mamula without adding hours
Check Availability
Tivat/Kotor: Boka Bay Full-Day Guided Cruise with Swim Stop — a boat tour from Kotor, Montenegro

Tivat/Kotor: Boka Bay Full-Day Guided Cruise with Swim Stop

4.3★ (1147 reviews) · 8 - 9 hours · from $29

Route
The whole of Boka Bay — Kotor, Perast, Risan, the Verige strait and Tivat side
Boat
Large comfortable cruise ship with a guide
Departs
Tivat or Kotor, stated at booking
Swim stops
One
Group
Large group
Best for
Seeing all three inner bays rather than one cave
Check Availability
Perast & Our Lady of the Rocks Speedboat Tour (2h) — a boat tour from Kotor, Montenegro

Perast & Our Lady of the Rocks Speedboat Tour (2h)

4.7★ (1106 reviews) · 2 hours · from $43

Route
Perast old town and Our Lady of the Rocks by speedboat
Boat
Speedboat
Departs
Kotor waterfront
Swim stops
None
Group
Group
Best for
The island church without the open-sea leg
Check Availability
Kotor Bay: Full-Day Catamaran Cruise with Blue Cave Visit — a boat tour from Kotor, Montenegro

Kotor Bay: Full-Day Catamaran Cruise with Blue Cave Visit

4.7★ (679 reviews) · 8 hours · from $109

Route
Full-day catamaran circuit of the bay with a Blue Cave visit
Boat
Catamaran, shaded deck and trampolines
Departs
Kotor municipality waterfront
Swim stops
Several
Group
Group on a large hull
Best for
A slow day with room to lie down
Check Availability
✪ Kotor: Relaxing 3-Hour Tour to Lady of the Rocks & Perast — a boat tour from Kotor, Montenegro

✪ Kotor: Relaxing 3-Hour Tour to Lady of the Rocks & Perast

4.7★ (280 reviews) · 3 hours · from $48

Route
Unhurried run to Our Lady of the Rocks with time ashore in Perast
Boat
Motor boat
Departs
Kotor waterfront
Swim stops
None scheduled
Group
Small group
Best for
Actually walking around Perast rather than photographing it
Check Availability
Deluxe excursion from Budva: Blue Cave tour — a boat tour from Kotor, Montenegro

Deluxe excursion from Budva: Blue Cave tour

4.4★ (267 reviews) · 3 hours · from $64

Route
Blue Cave excursion sold from Budva, meeting on the Tivat side
Boat
Speedboat
Departs
Budva or Tivat, confirmed at booking
Swim stops
One
Group
Group
Best for
Travellers based south of the bay
Check Availability
Best from Kotor: Blue Cave, Swimming & Old Town Perast 4H — a boat tour from Kotor, Montenegro

Best from Kotor: Blue Cave, Swimming & Old Town Perast 4H

4.8★ (234 reviews) · 4 hours · from $53

Route
Blue Cave, a swim and time in Perast old town
Boat
Speedboat
Departs
Kotor waterfront
Swim stops
One or two
Group
Small group
Best for
The cave plus a real stop, not a drive-past
Check Availability
Tivat: Submarine Tunnel, Blue Cave, Žanjice Beach Boat Tour — a boat tour from Kotor, Montenegro

Tivat: Submarine Tunnel, Blue Cave, Žanjice Beach Boat Tour

4.6★ (167 reviews) · 6 hours · from $35

Route
Submarine tunnel, Blue Cave and Žanjice beach on Luštica
Boat
Speedboat
Departs
Tivat waterfront
Swim stops
Two, including a beach stop
Group
Group
Best for
Beach time in water outside the bay
Check Availability
Blue Cave, Perast, & Submarine tunnel + Swimming — a boat tour from Kotor, Montenegro

Blue Cave, Perast, & Submarine tunnel + Swimming

4.6★ (160 reviews) · 1.5 - 3 hours · from $34

Route
Blue Cave, Perast and the submarine tunnel with drinks aboard
Boat
Small local boat
Departs
Dobrota, on the shore road north of Kotor
Swim stops
One
Group
Small group
Best for
A local skipper and a short, cheap route
Check Availability
Shore Excursion for Cruise Passengers — a boat tour from Kotor, Montenegro

Shore Excursion for Cruise Passengers

4.5★ (119 reviews) · 4 hours · from $93

Route
Shore excursion timed to a cruise call — bay highlights in one block
Boat
Motor boat
Departs
Kotor cruise berth, opposite the Sea Gate
Swim stops
Weather and time permitting
Group
Group
Best for
Cruise passengers with a fixed all-aboard time
Check Availability
From Kotor: Perast & Lady of the Rocks boat tour - 2h — a boat tour from Kotor, Montenegro

From Kotor: Perast & Lady of the Rocks boat tour - 2h

4.6★ (97 reviews) · 1.5 hours · from $29

Route
Perast and Our Lady of the Rocks, straight there and back
Boat
Small motor boat
Departs
Kotor waterfront
Swim stops
None
Group
Small group
Best for
The cheapest hour and a half afloat here
Check Availability
✪ Kotor: Blue Cave & Bay of Kotor Boat Tour w/Drink+Swimming — a boat tour from Kotor, Montenegro

✪ Kotor: Blue Cave & Bay of Kotor Boat Tour w/Drink+Swimming

4.7★ (83 reviews) · 1.5 - 3 hours · from $34

Route
Blue Cave and a lap of the bay with a drink and swim time
Boat
Speedboat
Departs
Kotor waterfront
Swim stops
One
Group
Small group
Best for
A short cave run when the sea is behaving
Check Availability
Boka Bay, Our Lady of the Rocks and Blue Cave Tour — a boat tour from Kotor, Montenegro

Boka Bay, Our Lady of the Rocks and Blue Cave Tour

4.4★ (35 reviews) · 3 hours · from $46

Route
Boka Bay panorama, Our Lady of the Rocks and the Blue Cave
Boat
Motor boat
Departs
Kotor waterfront
Swim stops
One
Group
Group
Best for
Covering the bay and the cave in one three-hour block
Check Availability
Private Luxury Boat to Blue Cave and Best Places in the Bay of Kotor — a boat tour from Kotor, Montenegro

Private Luxury Boat to Blue Cave and Best Places in the Bay of Kotor

4.3★ (20 reviews) · 3 hours · from $464

Route
Private charter to the Blue Cave and wherever else the day allows
Boat
Private luxury motor boat
Departs
Kotor waterfront or marina, agreed at booking
Swim stops
Set by you
Group
Private, priced per boat
Best for
Groups of six or more, and anyone who wants the cave without a queue
Check Availability

The piers

Kotor's jetties, the marina and the cruise berth are not the same address

Kotor looks like it has one waterfront, and in a sense it does — but the wooden tour jetties, the yacht marina and the cruise quay are three separate things strung along about four hundred metres of the same seafront, and several boats sold as "from Kotor" actually load in Tivat, Dobrota or Budva.

Park Slobode is where almost every small tour boat ties up: a stone promenade in Kotor's central park, across the bridge from the cruise quay and roughly three minutes on foot from the Sea Gate. Montenegro Submarine, one of the larger local operators, gives Park Slobode 1 as its meeting address and asks for check-in fifteen minutes before the slot; the wooden jetties are visible from the moment you reach the park. If your voucher says nothing more precise than "Kotor waterfront", this is the place.

Marina Kotor sits directly opposite the Old Town's main gate and is run alongside the commercial harbour by Port of Kotor JSC, whose office is at the same Park Slobode address. Catamarans, the bigger day cruisers and most private charters berth here rather than at the wooden jetties, because they need the depth and the fixed pontoons.

The cruise berth is the main quay opposite the Sea Gate — Port of Kotor lists it as 168 metres of berth with a further 120 metres of quay, and Kotor as the Adriatic's third cruise destination after Venice and Dubrovnik. From the gangway to the Sea Gate is 300 to 400 metres of flat waterfront, about five minutes. Ships too large for the quay anchor in the bay and tender passengers to a landing stage close by. Either way you are already at the tour jetties; the dedicated shore excursion is the only boat here that plans its return around an all-aboard time.

Three other addresses appear on listings sold under Kotor's name. Dobrota is the ribbon of waterfront immediately north along the shore road — walkable in twenty minutes, a €5 taxi otherwise, and where the cheap local boat loads. Tivat is across the bay and a different municipality: the Žanjice beach run and one end of the full-day bay cruise start there, and by road it is around 25 minutes from Kotor. Budva, on the open coast beyond the mountains, is the origin of the deluxe cave excursion and is forty minutes away. Read the meeting point on the voucher before you read the price.

PierWhat leaves from itWalk from the Sea GateWorth knowing
Park Slobode jettiesMost speedboat tours to the cave, tunnels and Perast3 minutes across the parkWooden jetties in a row; the voucher names the boat, not the berth number
Marina KotorCatamarans, larger day cruisers, private charters5 minutes, opposite the main gateFixed pontoons; run with the commercial port by Port of Kotor JSC
Cruise berthShore excursions and tenders300 – 400 m, about 5 minutes168 m of berth plus 120 m of quay; larger ships anchor and tender
Dobrota waterfrontSmall local boats on short cave routes20 minutes on foot north along the shoreA different stretch of road, not a different town
TivatFull-day bay cruises, Žanjice beach runsAcross the bay — 25 minutes by roadOr cross the water by the Kamenari–Lepetane ferry
Perast waterfrontThe five-minute shuttle to Our Lady of the Rocks12 km by the Blue Line busPerast is pedestrianised; cars stop at the lots on the main road

The arithmetic

A bus and a shuttle boat reach the island church for under €10

Our Lady of the Rocks is the one sight on every Kotor boat listing that you can reach on your own for pocket change, so it is the honest comparison to run before booking anything.

The Blue Line bus leaves Kotor for Perast hourly through the day — from the main station four hundred metres south of the Old Town, or from the Riva stop in front of the walls — and takes about 35 minutes along the shore road. The fare is €2, cash to the driver; there is no advance booking and no online timetable worth trusting, because as every local guide puts it, the buses run on Montenegro time and fifteen to thirty minutes late is normal in July. It sets you down on the upper main road, and you walk down a flight of stone steps into the village.

From the Perast waterfront, local boatmen run the crossing to the island continuously in season, every half hour or so, seven to ten minutes each way. The going rate quoted by operators and visitors alike is around €5 to €10 return depending on the boatman and the month. Entry to the church and its small museum is collected on the island in cash, not by the boat crew: reports range from €2 for the museum to the €5 that Boat Taxi Kotor's own price guide states, so carry a note either way. Packaged versions exist — one Perast operator sells the round trip with the landing fee and entry bundled at €13 per person — and they exist precisely because the à la carte version confuses people.

So two people can be standing in front of Tripo Kokolja's baroque ceiling for roughly €8 of bus, €10 to €20 of boat and €4 to €10 of entry — call it €30 for the pair, with the whole afternoon in Perast attached. The cheapest guided alternative, the 90-minute Perast and Rocks run, is $29 each. On a straight price-per-head basis the bus wins, and it wins by more if you were going to spend the afternoon in Perast anyway.

What the bus does not buy is the reason most people book a boat at all. It does not reach the Blue Cave, which has no land access and sits an hour of open water away at the bay mouth. It does not reach the submarine tunnels on Luštica or Mamula. It gives you no swim stop, and it gives you no crossing of the Verige strait by water, which is the part of the day people photograph. The four-sight boats at $41 and $48 are not competing with a €2 bus ticket; they are selling the half of the bay that has no road.

The other public crossing worth knowing is the Kamenari–Lepetane ferry over the Verige strait, run by the state company JP Morsko dobro since it took the concession over. A car is €5, a motorcycle €2.50, a van €7.50, and anyone on foot or on a bicycle goes free — the same fare in season and out, cash at the booth. Under the summer plan it sails every 15 to 20 minutes around the clock, and the five-minute hop saves about 28 kilometres of driving round the head of the bay. It is not a sightseeing boat and it will not take you anywhere near the cave, but it is how you get to Tivat for the boats that leave from there without losing an hour to the shore road.

Boats

Speedboat, catamaran, cruiser or your own hull

Four kinds of vessel work this bay and they are not interchangeable — the hull decides how far out you can get, how rough a morning you can take, and whether the cave stop is fifteen minutes or as long as you want.

The distinction that matters is not comfort but exposure. A covered speedboat crosses the Verige strait and works the open water at the bay mouth quickly, which is why the three-hour four-sight route exists at all; a large cruiser doing the same distance would spend the whole day on it. That speed is also the trade: on the standard three-hour run the cave stop is capped, and operators describe swim time inside it as roughly fifteen to twenty minutes. If that sounds short, it is, and it is the single best argument for the private hull or for the four-hour version that trades one sight for time.

Charter maths in Kotor is unusually stark because the private listing here is a luxury boat rather than a bare speedboat. At $464 for three hours it takes a group of eight before it undercuts $58 a head, and at that size you also get to set your own arrival time at the cave — which, given that the turquoise light only works for a few hours around the middle of the morning, is worth more than the seat.

HullWhat it does hereTypical dayFrom
Covered speedboatThe workhorse: cave, tunnels, Mamula, Perast in one run3 hours, one swim stop$41
Small local boatShort routes from Dobrota and the Kotor jetties, drinks aboard1.5 – 3 hours$34
Large guided cruiserAll three inner bays at walking pace, with a guide and lunch8 – 9 hours$29
CatamaranDeck space, shade and trampolines, cave included8 hours, several swims$109
Private charterYour own timings and route, priced per hull not per seat3 hours upwards$464

Prices

What a boat day from Kotor actually costs

Three price bands drawn from the seventeen listings on this page rather than from an average of the market, with the outliers explained rather than hidden.

Under $46 — where the market lives

The bay's competition is fierce and it shows: $29 for 90 minutes at Perast, $34 and $34 for short cave runs, $35 for six hours with a beach stop, $41 for the full four-sight route, $43 for the Perast speedboat and $46 for a three-hour bay-and-cave circuit. The outlier is $29 for a guided eight-to-nine-hour cruise of the whole bay, which is the most hours per dollar on this page by a distance.

$48 – $64 — the popular middle

This is where the boats with thousands of reviews sit: $58 across 4,869 reviews, $58 across 4,722, and the one that quietly beats both on rating — $48 at 4.8★ over 1,590 reviews, with Mamula added. $48 buys an unhurried three hours at the island church instead, $53 buys a fourth hour, and $64 is the Budva-side deluxe version.

Per boat, not per seat

Two listings break the pattern. $109 buys a full day on a catamaran, which is a different product from a speedboat sprint and priced accordingly. $464 buys the whole luxury hull for three hours: expensive for two, level at eight, and the only version where nobody else's schedule decides how long you stay in the cave. $93 sits between them because it is sold against a ship's clock, not against the local market.

Season

When the boats sail, and which half of the bay the wind closes

Sea temperatures are the long-term monthly averages published by seatemperature.info for Kotor; the sailing notes are what the season and the wind do to the timetable in this particular bay.

The wind that stops boats here is the bura, the cold northeasterly that pours down off Orjen and Lovćen and arrives with a hard blue sky rather than cloud — which is exactly why people book non-refundable and then argue about it. Local operators are blunt on the point: do not take a no-refund slot when bura is in the forecast, because the skipper, not the booking system, decides whether the boat goes.

What is unusual about Kotor is that the wind does not close the whole programme at once. Perast, Our Lady of the Rocks and the inner bays sit behind the Verige strait, a 340-metre gap that the bay narrows to before it opens out again — the constriction that gave the strait its name, from the chains the Venetians strung across it. Inside that gap the water stays flat in conditions that make the bay mouth unworkable. The Blue Cave, Mamula and the submarine tunnels are all on the other side of it, out on the Luštica peninsula facing the open Adriatic. So on a blowing morning the honest question at the jetty is not "are boats running" but "which half". The Perast run and the relaxed island trip keep going; the cave routes do not, and a good operator will offer you the inner-bay version rather than a refund.

Two more things the temperature table does not tell you. The Blue Cave's colour depends on the sun's angle through its underwater opening, and it works for a few hours around the middle of the morning — operators steer people to the 09:00 to 12:00 departures for that reason, and the afternoon slots trade the glow for a choppier ride home. And the bay's own water is fed by cold karst springs, most famously at Morinj on the Risan arm, where freshwater meets the sea and the temperature drops sharply enough to startle you in August. That is a large part of why the swim stops on the cave boats are outside the bay, at Žanjice and the coves near the tunnels, rather than in the postcard water in front of Perast.

MonthSeaBoats runningWhat it means on the water
April15.5 °C (60 °F)Season openingCheap, empty and cold — the cave is a look, not a swim
May19 °C (66 °F)Full timetableSwimming becomes plausible; the cave has no queue yet
June23 °C (73 °F)EverythingThe best month here: warm water, long light, pre-peak prices
July25.4 °C (78 °F)Everything, booked outBook two days ahead; the cave is shoulder to shoulder by 11:00
August25.9 °C (79 °F)Everything, booked outWarmest sea of the year and the busiest jetties of the year
September23.8 °C (75 °F)EverythingThe locals' month — the water has not cooled, the crowds have
October21.1 °C (70 °F)Thinning outStill swimmable; cancellations start to appear on rough days
November – March13.8 – 19 °C (57 – 66 °F)Inner-bay boats onlyPerast runs continue in calm spells; the cave route mostly stops

Extras

What the ticket price does not include

Montenegro collects very little at the pier itself, but four charges around the edges of a boat day catch people out, and one of them is cash-only in a country where the boatmen do not carry a card reader.

The one to plan for is the island. A boat crew that lands you at Our Lady of the Rocks has almost never paid your way inside, and the fee is taken at the door in cash by the people who keep the church. Reports of the amount vary — €2 is the figure long quoted for the museum, €5 is what a Kotor boat operator's own current price guide states — which is a reason to carry a small note rather than a reason to skip it: the interior holds 68 baroque canvases by Tripo Kokolja and a votive tapestry a local woman worked for twenty-five years, using silk, gold thread and, by the end, her own hair.

ItemAmountWho collects itWhen it applies
Our Lady of the Rocks church and museum€2 – €5, cashCollected on the island, not by the boat crewAny landing on the island; some tours include it, most do not
Perast shuttle boat€5 – €10 returnThe local boatmen on the Perast waterfrontOnly if you come by bus or car instead of a tour boat
Blue Line bus, Kotor – Perast€2 each way, cash to the driverBlue LineThe independent route to the island church
Perast parking€8 per day, €15 per 24 hours (vans €12 / €30)The lots at each end of the villagePerast is pedestrianised, so driving in is not an option
Kotor street parking€0.70 – €2.00 per hour by zoneKotor municipality, 1 June to 30 SeptemberAnyone driving to the jetties in summer
Kamenari – Lepetane ferry€5 car, €2.50 motorcycle, €7.50 van, free on footJP Morsko dobro, cash at the boothReaching the Tivat-side departures without the long way round
Snorkel hire and beach lunches€10 – €15 gear, €25 – €40 a mealThe operator or the beach restaurantLonger routes with a Žanjice or Mirište stop

On the water

Where the boats leave from

Everything inside the Verige strait — Kotor, Perast, Our Lady of the Rocks, Risan — is sheltered water. Everything the cave tours sell is on the other side of it, out at the bay mouth on the Luštica peninsula.

Questions

Kotor: what people ask

Is a boat tour in Kotor worth it?

For the Blue Cave, the submarine tunnels and Mamula, yes — none of the three has land access, and the cheapest boat that covers all of them is $41. For Our Lady of the Rocks alone the honest answer is no: the €2 Blue Line bus to Perast plus a few euro to a local boatman puts you on the island for under €10, and you keep the afternoon. Book the boat when the route is the product.

Where do boat tours leave from in Kotor?

Almost all of the small boats leave from the wooden jetties at Park Slobode, the promenade in Kotor's central park about three minutes from the Sea Gate. Catamarans and private charters use Marina Kotor opposite the main gate, and cruise passengers are already alongside at the main quay. Watch for listings that load at Dobrota, Tivat or Budva instead — the voucher names the meeting point and it is not always Kotor.

Where is the Blue Cave near Kotor, and can you swim inside it?

It is on the Luštica peninsula at the mouth of the bay, on the open Adriatic side — about an hour of sailing from Kotor, not in the bay itself, and not the same cave as Croatia's Biševo one. Boats go in through an opening above the waterline into a single chamber, and passengers swim: $58 is built around the swim, $48 adds Mamula. On the standard three-hour run the swim is capped at roughly fifteen to twenty minutes.

What are the submarine tunnels on the Kotor boat tours?

They are Cold War naval shelters cut into the rock on the Luštica peninsula by the Yugoslav Navy in the 1970s, positioned to hide vessels at the entrance to the bay. There are several; the largest, near the village of Rose, runs about 100 metres in and is the only one that actually berthed submarines. Boats nose inside and it is a dead end — there is no exit at the far side. $35 combines the tunnel with the cave and a beach stop.

How much does it cost to visit Our Lady of the Rocks on your own?

The Blue Line bus from Kotor is €2 each way, cash to the driver, hourly, about 35 minutes. Local boatmen shuttle from the Perast waterfront in seven to ten minutes for roughly €5 to €10 return, running every half hour or so in season. Entry to the church and museum is taken in cash on the island — reported between €2 and €5 — and is separate from the boat. Perast is pedestrianised, so driving means the €8 day lots on the main road.

What happens if the wind cancels the boat?

Ask which half of the bay is affected before you accept a refund. The bura, the cold northeasterly that arrives with a clear sky, makes the bay mouth unworkable while the water inside the Verige strait stays flat — so cave routes stop on days when the Perast run sails normally. Operators here advise against non-refundable slots whenever bura is forecast, because the skipper makes the call, not the booking system.

Which month is best for a boat trip from Kotor?

June, then September. June has a 23 °C sea, the longest light of the year and prices that have not reached the peak; September holds 23.8 °C with visibly fewer boats queuing at the cave. July and August give you the warmest water, 25.4 and 25.9 °C, and jetties that sell out two days ahead. April and October are cheap and calm-ish but cold enough that the swim stop becomes optional.

Why is the water so cold at some of the swim stops?

The Bay of Kotor is a drowned river valley fed by cold karst springs, and where they surface — Morinj on the Risan arm is the well-known one — the sea temperature drops sharply even in August. That is why longer boats take their swim stop outside the bay, at Žanjice or the coves near the tunnels, where the water matches the published averages instead of undercutting them by several degrees.

Can you land on Mamula island?

Not as a day visitor on a group boat. The 19th-century Austro-Hungarian fortress on the islet at the bay mouth has been converted into a private 32-room hotel, so boats circle it and photograph it rather than tie up. $48 is the cheapest listing that includes Mamula in the route, and what it includes is the approach and the story, not a landing.

Nearby

Other ports on this coast

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