Kotor Bay: Blue Cave Speedboat Tour & Our Lady of the Rocks

Summary

Speedboat to Blue Cave swim frescoes at Our Lady island

You’ll zip across Kotor Bay by speedboat with a local skipper, explore frescoes at Our Lady of the Rocks island, see hidden submarine tunnels from WWII, and swim in the glowing waters of Montenegro’s famous Blue Cave. It’s lively, beautiful, sometimes chilly—and leaves you with salt on your skin and a grin you can’t quite explain.

Step-by-step itinerary

Day 1 — Speedboat tour to Blue Cave and sights

• Ride speedboat 20 minutes
• Explore Our Lady of the Rocks island
• Ride speedboat 20 minutes
• View Submarine Tunnels history
• Ride speedboat 10 minutes
• Pause for panoramic view at Mamula Island
• Ride speedboat 10 minutes
• Explore Blue Cave for 30 minutes
• Speedboat ride back 50 minutes

Top questions

How long is the Blue Cave tour from Kotor?

The tour lasts about 3 hours total including travel time by speedboat.

Is swimming allowed inside the Blue Cave?

Yes, you’ll have about 30 minutes to swim or snorkel inside the Blue Cave during your visit.

Does this tour include visiting Our Lady of the Rocks?

Yes, there’s a stop at Our Lady of the Rocks island where you can explore on foot.

Are guides provided during this Kotor Bay tour?

You’ll have an English-speaking licensed guide and skipper throughout.

What should I bring for this speedboat tour?

Bring swimwear, sunscreen, maybe a hat or light jacket for wind—it can get breezy on the water.

Is hotel pickup included?

No hotel pickup is mentioned; public transportation options are available nearby.

Is this tour suitable for children or infants?

Infants are allowed but must sit on an adult’s lap; suitable for all fitness levels but not recommended for pregnant travelers.

What’s included

Your day includes an English-speaking licensed guide and experienced skipper on board, free Wi-Fi access during your ride through Kotor Bay, bottled water to keep you refreshed after swimming in the Blue Cave, plus insurance and all fuel costs covered so you don’t have to worry about anything except enjoying yourself out on the water.

What’s the experience like?

We’d barely stepped onto the dock in Kotor when our skipper, Marko, grinned and handed me a bottle of water—“You’ll want this,” he said. The boat was smaller than I pictured, but somehow that made it better. There was this salty smell in the air and you could hear church bells echoing off the mountains. We zipped across the bay so fast my hair whipped around (should’ve brought a hat). First stop: Our Lady of the Rocks. I tried to pronounce its real name in Montenegrin—Marko just laughed and said even locals mess it up sometimes. Inside, it was all cool stone and flickering candlelight, with these old frescoes that looked almost alive if you stared long enough.

The next part was honestly not what I expected—a quick pass by these submarine tunnels carved into the cliffs. Marko told us stories about Yugoslav naval secrets; I half expected James Bond to pop out. The wind picked up as we sped toward Mamula Island, where we paused just long enough for everyone to snap photos of that fortress (I still can’t believe people built that on a rock). Then came the main thing: our Blue Cave tour. The color inside really is wild—like someone dropped blue ink into sunlight. Water felt colder than I thought it’d be but after a second you just float and watch your arms glow underwater.

I kept thinking how weirdly peaceful it was in there—even with everyone laughing and splashing around, there’s this echoey quiet under all the noise. On the way back, Marko cranked up some local music and we bounced over waves until my teeth rattled (in a good way). I didn’t expect to feel so awake after just three hours on the bay—you know? If you’re looking for something easy but full of little surprises, this day trip from Kotor is probably it.