REVIEW · HERCEG NOVI MUNICIPALITY
Blue cave Mamula Tunnels Speed Boat Tour From Herceg Novi
Book on Viator →Operated by Hulk Boats Herceg Novi · Bookable on Viator
Speedboat, cave glow, and a fortress in one trip. This Herceg Novi tour strings together three very different sea scenes: a bright Blue Cave swim stop, a quick look at former submarine tunnels, and a panoramic cruise around the Mamula fortress sitting offshore. It’s the kind of route that feels movie-set cinematic, but it’s also built around short, practical time blocks on the water.
What I like most is how the trip actually matches the promises. The Blue Cave stop is timed so you get that signature light effect (one beam turning the water into a glowing blue moment) and still have time for the rest of the day’s sights. I also like the way you circle Mamula from the sea, because you don’t just see the fortress—you get the best angle, with open water framing the views.
One thing to consider is that this experience is weather-dependent. The tour explicitly requires good weather, so if conditions are rough, you may need to shift dates (or you’ll get a refund), which can be a hassle if your schedule is tight.
In This Review
- Key Highlights at a Glance
- A 90-Minute Route That Packs Three Sea Stories
- What You Get for About $39.77 (And Why It Can Feel Like Good Value)
- Price Is Only Part of the Booking Decision
- Blue Cave: The Light Beam Moment and Your 20-Minute Reality
- Former Submarine Tunnels: A Quick Glimpse Into Naval Mystery
- Mamula Fortress Cruise: Panoramic Views You Can Actually Photograph
- Bay of Kotor Cruising for 40 Minutes: Speed Meets Big Views
- Group Size, Boat Vibe, and What Hulk Boats Means for Your Day
- Weather Is the Real Master of the Schedule
- Who Should Book This Speedboat Tour—and Who Might Prefer Another Option
- Should You Book This Tour?
- FAQ
- How long is the Blue Cave Mamula Tunnels Speed Boat Tour from Herceg Novi?
- What time does the tour start?
- Where does the tour end?
- How many stops are included?
- Is the Blue Cave admission included?
- Is the former submarine tunnel admission included?
- Is the Bay of Kotor admission included?
- What is the maximum group size?
- What happens if the tour is canceled due to poor weather?
- Is there free cancellation?
Key Highlights at a Glance
- Blue Cave swim time built around the light beam effect inside the cave
- Former submarine tunnel stop with a short glide into eerie, echo-filled passages
- Mamula fortress from the sea with a panoramic ride that keeps the views moving
- Bay of Kotor cruising for 40 minutes to balance cave-and-tunnel stops with open-water speed
- Small group size with a maximum of 30 travelers, so it doesn’t feel crowded for long
A 90-Minute Route That Packs Three Sea Stories

This tour is short by design: about 1 hour 30 minutes total, starting at 9:00 am and returning to the meeting point. That time structure matters because it keeps the pace high. If you like moving fast and seeing a few big highlights without losing a whole day, this is a good fit.
The route also makes sense geographically. You start with a cave, then shift into a cliffside naval-history setting, and finish with cruising across the Bay of Kotor. So you get variety instead of repeating the same coastline view three times. The “speedboat” part isn’t just branding either; the ride across the bay is a full stop (40 minutes), so the boat is part of the sightseeing, not just transportation.
What You Get for About $39.77 (And Why It Can Feel Like Good Value)

At $39.77 per person, you’re paying for a guided speedboat loop plus multiple included-or-free time stops. The standout value detail is that admission is covered for the bay portion, while both the Blue Cave and the submarine tunnel stops are listed as having free admission tickets.
Here’s how that plays out in real terms:
- You get a 20-minute Blue Cave window without paying additional admission at that stop.
- You get a 10-minute former submarine tunnel stop, again with free admission indicated.
- You spend 40 minutes in the Bay of Kotor segment with admission included.
When a tour price includes or waives admissions for at least two of the three headline stops, it usually feels more “fair” than paying a flat boat price and then paying add-ons later. Also, the operator uses a mobile ticket, which usually makes check-in less of a hassle than printed tickets.
Price Is Only Part of the Booking Decision

The other side of value is risk management. One cancellation-related story appears in the available feedback: a booking that was reportedly canceled after the scheduled pickup, with poor communication and a missed day. The provider did respond in writing and explained the booking timing issue as a mistake on their side, but the incident is still a reminder that day-of updates matter.
So my practical advice is simple: if you book, treat the morning of departure as time-sensitive. Have your phone ready, keep the ticket accessible, and double-check that you’re set to go before you commit to parking or long walks.
Blue Cave: The Light Beam Moment and Your 20-Minute Reality

The Blue Cave stop is built around a single dramatic feature: inside, a beam of light can turn the water into a glowing blue scene. The tour gives you 20 minutes, which is short, but it’s long enough to do the main thing—get in the water, enjoy the light, and still move on before the boat crowds build up.
What you should expect:
- A time window focused on swimming and soaking in the cave’s atmosphere.
- A view effect that depends on conditions inside the cave and daylight.
Practical tips (without overthinking it):
- Wear what you can swim in comfortably, because you’ll want to jump in right away when the boat stops.
- Bring something small for your essentials if you have it (you don’t want to be juggling items while you’re trying to enjoy the moment).
- If you’re not a confident swimmer, you’ll still get the setting, but the experience will naturally feel more meaningful if you can at least stand and float.
This stop is the emotional hook of the day. Even if you’re mostly there for views, the Blue Cave is the place where the water changes how the whole scene looks.
Former Submarine Tunnels: A Quick Glimpse Into Naval Mystery

Next comes the former submarine tunnel stop, at 10 minutes. This is the most “story” stop on the route: you glide into passages carved into the cliffs, described as eerie and echo-filled. The idea is that Yugoslav submarines once hid there, and the tunnels still feel like a secret you’re not supposed to know.
Ten minutes sounds tight, and it is—but it’s enough time to:
- see the entrance and the tunnel interior from the boat,
- feel the enclosed, echoing atmosphere, and
- get the historical impression without waiting around.
If you’re the type who loves military history or unusual coastal engineering, this is the stop that gives you that brain-candy moment between scenic scenes. If you’re not into history, it can still be worth it for the atmosphere alone, because tunnels always change how sound and light work.
One thing to consider: because it’s a tunnel, visibility and conditions inside may vary. The ride is short, so don’t plan on lingering. Treat it like a focused peek, not a long guided museum session.
Mamula Fortress Cruise: Panoramic Views You Can Actually Photograph

The Mamula portion is described as a panoramic cruise around the island fortress rising from the sea. This is a 19th-century stronghold, and from the water, it tends to look like a prop in a film—especially with deep sea colors and cliffline views around it.
This stop is valuable because it’s timed and paced for viewing. You’re not hopping on and off land; you’re circling. That means you can enjoy different angles as the boat moves, and you don’t spend time transitioning between places.
For photographers, the speedboat adds two things:
- You’ll get shots from changing angles over a short period.
- You have to be ready, because time is limited and the boat keeps moving.
Even if you don’t care about photos, circling Mamula is one of the reasons this tour feels special. You get the fortress as a sea object, not just a point on a map.
Bay of Kotor Cruising for 40 Minutes: Speed Meets Big Views

The final major stop is the Bay of Kotor segment, at 40 minutes, with admission included. This is the most straightforward “ride and scenery” part of the tour. You speed across the bay and pass coastal villages and dramatic cliffs, and the faster movement makes the water feel lively.
Why this stop matters:
- It breaks up the cave-and-tunnel rhythm with open-water views.
- It gives you time to settle in and enjoy the coastline rather than rushing between tight stops.
- It’s long enough that you can relax your eyes without constantly waiting for the next activity.
Because it’s speedboat cruising, you’ll likely feel the sun and wind more than on a slower boat. Bring sunglasses and consider sun protection if you’re sensitive to glare.
If your day in Montenegro is more about “see a lot quickly” than “slow travel,” this 40-minute bay portion is where you’ll feel that style click.
Group Size, Boat Vibe, and What Hulk Boats Means for Your Day

The tour caps at 30 travelers, which keeps things from turning into a chaotic crowd-management situation. It’s not a private charter level, but it’s also not the kind of large group where you spend the whole tour watching people block your view.
The operator is Hulk Boats Herceg Novi, and the itinerary is designed as a smooth sequence of three main segments. The tour ends back at the meeting point, which simplifies the logistics. You don’t have to figure out local transport afterward if you’re staying nearby.
Also noted: service animals are allowed, and the activity is listed as near public transportation. If you’re pairing this with other plans around Herceg Novi, that’s useful.
Weather Is the Real Master of the Schedule

This experience requires good weather. If it’s canceled due to poor weather, you’re offered a different date or a full refund. That’s standard for boats, but the key point is that you should plan with flexibility in mind.
My suggestion: don’t book this if your trip schedule has zero slack. If you already know you can’t change dates, your safest move is to plan another activity for the day that can run in bad weather.
If the weather holds, you’ll get the full value of the timing: cave glow, tunnel stop, and the Mamula cruise without the day slipping into a “maybe” scenario.
Who Should Book This Speedboat Tour—and Who Might Prefer Another Option
This is a good match if you:
- want a fast, structured highlights tour instead of a long day excursion,
- like mixing water stops (Blue Cave) with viewpoint cruising (Mamula and Kotor Bay),
- enjoy short history flashes (the submarine tunnels) without committing to hours of museum time.
It also fits many travelers because it’s listed as suitable for most people, and it’s recommended for all travelers. That wording is broad, but it signals that the operator doesn’t market it as a specialist-only activity.
You might think twice if:
- you’re very weather-sensitive and can’t rearrange plans,
- you dislike tours where each stop is brief (because Blue Cave, tunnels, and Mamula are all part of a tight sequence).
Should You Book This Tour?
If you’re staying near Herceg Novi and you want three headline sea moments without spending an entire day on transport, I think this tour is a solid choice. The value comes from the structure—short but meaningful stops—and the way admissions are handled across the route.
My only big caution is communication and weather. There’s at least one reported instance of a problematic cancellation experience with unclear communication, so don’t assume everything will be perfect. If you book, stay alert the morning of, and build in a little flexibility.
If your goal is a quick, scenic speedboat day with the Blue Cave light effect and a Mamula fortress cruise, this is the kind of trip that delivers.
FAQ
How long is the Blue Cave Mamula Tunnels Speed Boat Tour from Herceg Novi?
It lasts about 1 hour 30 minutes.
What time does the tour start?
The start time is 9:00 am.
Where does the tour end?
The tour ends back at the meeting point.
How many stops are included?
There are three main stops: Blue Cave, the former submarine tunnel, and the Bay of Kotor (with a panoramic cruise around Mamula).
Is the Blue Cave admission included?
Yes. The Blue Cave stop lists admission ticket free for that segment.
Is the former submarine tunnel admission included?
Yes. The former submarine tunnel stop lists admission ticket free.
Is the Bay of Kotor admission included?
Yes. The Bay of Kotor segment lists admission included.
What is the maximum group size?
The tour has a maximum of 30 travelers.
What happens if the tour is canceled due to poor weather?
It requires good weather. If canceled due to poor weather, you’ll be offered a different date or a full refund.
Is there free cancellation?
Yes. You can cancel up to 24 hours in advance for a full refund.




