Blue water waits offshore in Kotor Bay. This 3-hour boat loop mixes Lady of the Rocks, submarine-site history, and a real swim at Plava Spilja.

I really like the Blue Cave stop because the color is the whole point, and you get an on-water break from sightseeing. I also like that the tour bundles two Montenegro staples into one ride: the manmade church island at Gospa od Skrpjela and the Cold War story tied to the former submarine base.

One consideration: the schedule depends on sea conditions, so the Blue Cave swimming portion can get skipped when the water is rough.

Key things I’d plan around

• Blue Cave (Plava Spilja) swim happens from the boat, not a beach walk-in
• Lady of the Rocks is short but focused, about 20 minutes on site
• You pass key Bay of Kotor landmarks by boat, like Perast and Mamula Island
• The Verige strait and submarine tunnel stop is brief, around 5 minutes
• Small group size (max 25) helps keep the ride from feeling chaotic

Kotor Bay by speedboat: why the 3-hour loop feels efficient

This is the kind of tour that works well when you want big sights without committing to a full day. You do a scenic cruise through the Bay of Kotor first, then stack on land and water highlights, and you end right back at the start point.

The boat part matters. A speedboat-style format keeps things moving and gives you wide views of the shoreline villages and greenery along Kotor Bay. If your time in Montenegro is tight, this timing is one of the biggest reasons the tour gets such strong repeat interest.

Meeting point near Port of Kotor: get your bearings fast

Your job is simple: make your own way to the meeting point by the Port of Kotor area, at Kotor Boat Tours and Blue Cave, Our Lady of the Rocks, Submarine Park Slobode 1, Kotor 85330. The tour uses a mobile ticket, so bring your phone and be ready to show it on arrival.

Here’s the part that can trip people up: the pickup area is busy and the instructions for finding the exact vendor can be confusing. I’d follow the tour guidance and show up at least 30 minutes early, even if you think you’re early already. That buffer gives you time to park, find the correct stall, and settle in before boarding.

Also, heavy traffic and roadworks can slow cars around the park area, so if you’re driving, plan extra time.

Our Lady of the Rocks (Gospa od Skrpjela): what you’ll see in 20 minutes

The first real stop is Our Lady of the Rocks, a manmade island created by generations of local seafarers. You’ll get about 20 minutes to explore the church and a small museum area, plus see the collection of artworks and votive items tied to the island’s traditions.

This stop is not just a pretty church. It’s a snapshot of the maritime culture that shaped the Bay of Kotor for centuries, and you’ll hear the island story you’d probably miss if you went independently without context.

The rules inside are real, so pack for them

There are a few dress and behavior rules that matter:

• You must not enter the church in swimwear. Bring at least a T-shirt layer to cover up before you go inside.
• Swimming is forbidden at Our Lady of the Rocks.
• Drones are forbidden at the island.

These rules affect comfort. If you’re planning to swim later, keep your towel and swimwear handy, but don’t rely on swim clothes as your church outfit.

One more practical note: the church and museum closing times vary by month, with later hours during summer. If you’re traveling in spring or autumn, I’d dress warmer too, since it can feel chilly on the water and at the island.

Cruising Perast and Mamula Island: the value of seeing them from the water

Between stops, you’ll do classic Bay of Kotor cruising, including a pass by Perast. You’ll see this former Venetian-era maritime town from the boat, with its baroque palaces and centuries-old churches lined up along narrow stone streets.

You won’t get a long walk around Perast on this tour. Think of it as a visual introduction, especially if you’re the type who likes to save deeper exploration for later. If Perast catches your eye, it’s a good sign you might want a separate land-based visit.

Then comes Mamula Island, a small fortress island with a dramatic military past. As you cruise by, your guide shares its role in both World War I and World War II. This is one of those “from the boat is perfect” moments, because the island looks more imposing and strategic when you see how it sits in the water.

Blue Cave (Plava Spilja) swim: what to expect, and how to stay comfortable

The Blue Cave stop is the headline. It’s named for the brilliant blue water, and the glow comes from sunlight reflecting off a white-pebble bottom. You’ll have about 20 minutes at the cave area, and this is the time when you can swim.

Expect boat access, not a beach

Plan on getting in from the boat. Some swimmers find the ladder steps narrow, so water shoes can be a smart idea. Also, many people assume there will be a beach landing, but the experience is more like climbing down and jumping in, depending on how the crew positions the boat.

If you’re not steady on stairs or you’re new to boat boarding, take it slow. The crew can help, but you still need basic dexterity to get on and off.

When you might lose the swim

Weather matters here. The tour is only feasible during good weather conditions, and the itinerary may adjust for safety, which can mean skipping the Blue Cave swim when sea conditions are rough or visibility is poor.

There’s also a time-of-day factor. After 6 pm, the water isn’t the same as it is during daylight. So if color is your main goal, prioritize a daytime departure.

Finally, safety gear is available on the boat. If you want a life jacket, ask the crew. It’s standard equipment, and they’ll provide it when needed.

Verige strait and the former submarine tunnels: a short stop with a big story

After cruising through the strait of Verige and entering Tivat Bay, you reach the former clandestine submarine base. The time here is brief, about 5 minutes, but it’s designed as a quick historical snapshot rather than a long museum visit.

This part gives you context for Montenegro in the Cold War era. The tunnels are a former top-secret military site, now open to visitors, and your guide explains what it was used for and why that matters to the region’s wartime story.

Even with the short time, I think this stop is worth it because it changes the tour from scenery-only to something you can talk about later. You’ll come away with a mental image of the bay as a strategic space, not just a pretty coastline.

What you’re paying for: value in a $39.91, 3-hour format

At about $39.91 per person for roughly 3 hours, the value is in how much you pack into one departure. You’re covering the Bay of Kotor viewpoints, a manmade cultural landmark, a submarine history stop, and a Blue Cave swim all in one outing.

The inclusions help too:

• English-speaking skipper or tour guide
• Insurance
• Fuel
• Water

Not included is mostly the personal stuff. The one clear add-on is entry to Our Lady of the Rocks for 3€, and food and drinks unless specified. If you buy snacks separately, keep your budget realistic and plan to bring your own water or buy small items at the start if you need more than what’s provided.

Also, the group size cap of 25 travelers keeps the experience from turning into a total squeeze. The ride can still feel lively, but it’s not built for a quiet, private tour vibe.

Who should book this, and who might prefer something else

This tour fits best if you want:

• A fast hit of Kotor Bay highlights
• A chance to swim at Plava Spilja
• On-the-water views with a guide explaining what you’re seeing

It’s less ideal if you:

• Want lots of time inside buildings, because Our Lady of the Rocks is only about 20 minutes
• Need a calm, slow pace, because this is a speedboat style trip with wind and movement
• Struggle with getting in and out of boats, since the swim is handled from the ladder

One small plus for comfort: jackets can help when it’s breezy. Even outside peak summer, crews may provide wind protection when needed, so bring a light layer even if you feel warm on shore.

Should you book this Kotor Blue Cave, Lady of the Rocks, and submarine tour?

If your goal is to see the Bay of Kotor efficiently, get real water time at Blue Cave, and still understand what you’re looking at with Lady of the Rocks and submarine-site context, I’d book it. The price is fair for the mix of cruising plus included water and the structured stops.

Book especially if you’re traveling in peak daylight hours, because the Blue Cave look is best then. If you’re sensitive to rough water, treat weather as a deciding factor, since the swim portion can be skipped for safety.

In short: this is a strong choice for a half-day style adventure in Kotor Bay, with just enough history to make the photos mean something.

FAQ

What is the duration of the tour?

The tour runs for about 3 hours.

How much does it cost?

It costs $39.91 per person.

What stops are included during the tour?

You’ll cruise the Bay of Kotor, visit Our Lady of the Rocks, pass by Perast, stop near the Blue Cave for swimming, pass by Mamula Island, and include a short visit related to the former submarine tunnels around Verige and Tivat Bay.

Is entry to Our Lady of the Rocks included?

No. Entry to Our Lady of the Rocks is 3€ and is not included in the tour price.

Can I swim at every stop?

No. Swimming is forbidden at Our Lady of the Rocks. Swimming is allowed at the Blue Cave portion, depending on weather and sea conditions.

What should I wear or bring for the church?

You cannot enter the church in swimwear, and you must have at least a T-shirt on. Bring swimwear if you want to swim later, but plan a covering for the church visit.

Is the Blue Cave swim guaranteed?

Not always. The tour is feasible only during good weather, and in challenging sea conditions the Blue Cave part may be skipped for safety.

What’s included in the price?

Included are an English-speaking skipper or tour guide, insurance, fuel, and water.

What happens if the tour is canceled due to bad weather?

If it’s canceled because of poor weather, you’ll be offered a different date or a full refund.