lanmariv boka bay boat

Explore the Blue Cave: Your Complete Boat Tour Guide

Montenegro’s Blue Cave is a shimmering sea grotto on the Luštica Peninsula, famed for its crystal‑blue water and adventurous speedboat access. Visiting the Blue Cave by boat is a highlight of any Kotor Bay itinerary. LanMariv’s Blue Cave & Coastal tour runs about 3–3.5 hours, with departures from Perast and pickup options around the Bay. Along the way you’ll see Boka Bay’s best sights — Our Lady of the Rocks, Mamula Fortress, and Cold War submarine tunnels. In this guide, you’ll find the best time to go, what to bring, and tips to make your boat adventure unforgettable.

Why Visit the Blue Cave by Boat?

The Blue Cave isn’t accessible by land — you must arrive by boat. Sunlight pouring through the cave’s underwater entrance bathes the chamber in an electric‑blue glow, one of the Adriatic’s most breathtaking sights. With LanMariv, you also take in other Kotor Bay gems:
• Mamula Island — a dramatic 19th‑century Austro‑Hungarian fortress rising from the sea
• Our Lady of the Rocks — a postcard islet with an 18th‑century church and museum
• Perast from the water — a baroque town that looks unchanged since the 1700s

Tour Itinerary – What to Expect

Your speedboat departs from Perast (pickup available across the Bay) and glides toward the open sea. Expect about 45–60 minutes of coastal cruising to reach the Blue Cave, depending on conditions. At the cave, your skipper will assess safety and anchor near the entrance. Swimming is allowed when it’s safe; a ladder and basic gear are provided. Guests typically enjoy 10–15 minutes inside — perfect for a quick dip and photos.

After the cave, you’ll trace the Luštica Peninsula, pass through submarine tunnels from the Cold War era, and usually stop for a swim at a calm bay like Žanjice or Mirišta. Throughout, your licensed skipper shares local legends and history.

You’ll typically… cruise the bay, visit Our Lady of the Rocks, pass Mamula and submarine tunnels, then enter the Blue Cave for a brief swim.

Best Time to Go

• Peak glow: On clear days, the blue is most vivid from 11:00–14:00.
• Beat the crowds: Peak season (July–Aug) sees more boats. For calmer seas and fewer queues, try early morning or the shoulder months May–June and September.
• Tip: June and September often deliver ideal light without the rush. LanMariv runs multiple daily departures — check availability to match your timing.

What to Pack for the Tour

Travel light and smart:
• Swimwear, towel, reef‑safe sunscreen, sunglasses, hat
• Non‑slip footwear for boarding and rocky shores
• Light layer or rash guard (boats have shade but no enclosed cabin)
• Waterproof phone pouch or camera
• Small cash for extras — Our Lady of the Rocks museum (~€5), snacks/drinks ashore
LanMariv provides life jackets for all ages, so kids and non‑swimmers can stay comfortable onboard.

Safety and FAQs

• Is the boat safe? Yes — licensed skippers operate certified vessels with mandatory safety gear. Cave entry is always at the captain’s discretion based on sea conditions.
• Do I have to swim? No — enjoy the glow from the boat. Life jackets are available and children/non‑swimmers can remain seated.
• What if the weather turns bad? LanMariv offers flexible rebooking or refunds in unsafe conditions. The crew may substitute a sheltered bay swim for the cave or reschedule.
• How far in advance should I book? In July–August, tours often sell out — book several days to a week ahead. In shoulder seasons, 2–3 days is usually fine. Free cancellation up to 24h before departure.

Ready to Book?

Don’t miss this once‑in‑a‑lifetime Adriatic experience. Instant confirmation and free cancellation. Have questions? Message us on WhatsApp or email — we’re happy to help plan your perfect Blue Cave day.

Boka Bay Montenegro fjord boat

Top 7 Boka Bay Boat Tour Sights in Montenegro

The Bay of Kotor (Boka Kotorska) is a stunning Adriatic fjord fringed by medieval towns and fortresses. Exploring Boka Bay by boat reveals sights unseen from land. On a LanMariv speedboat tour from Kotor or Perast, you can tick off the best views in a few hours. This guide covers the 7 unmissable stops on a typical Kotor Bay cruise — each steeped in history and natural beauty.

1. Our Lady of the Rocks

A tiny artificial island near Perast, Gospa od Škrpjela (Our Lady of the Rocks) holds a Catholic church and museum. Legend says fishermen founded it in 1452 after finding an icon in the bay, then generations added stones to raise the islet. It’s one of Montenegro’s most‑photographed spots. When tours allow, you can land and pay a small fee to enter the baroque church; otherwise admire its pale walls from the boat. LanMariv typically stops here for 15–20 minutes for photos and the story.

2. Perast

Perast is a quaint baroque town, home to only ~400 people but once a proud maritime power. Its waterfront lines up palaces and historic churches; you’ll see its two islets (Our Lady of the Rocks and St. George) and the bell tower of St. Nicholas Church. Perast feels unchanged since the 1700s, with 16 churches in the village. Many tours include a short onshore break for coffee or lunch; otherwise your guide points out highlights as you cruise past.

3. Mamula Island

Built in 1853 on a rocky islet at the bay’s entrance, circular Mamula Fortress once guarded Boka Bay. The ruins later served as a WWII prison, and the stark stone ramparts rising from the water make a dramatic photo stop. Boats don’t land here (it’s off‑limits), but they circle so you can take in the views while your skipper shares its history and the site’s modern redevelopment.

4. Blue Cave (Plava Špilja)

The famed Blue Cave on the Luštica Peninsula glows with electric‑blue light when the sun is high. Boats usually anchor just outside and you swim into the cavern to experience the neon water. Tip: arrive around midday for optimal light and expect about 10–15 minutes in the cave, conditions permitting. LanMariv’s Blue Cave & Coastal tour features this as the star attraction.

5. Submarine Tunnels

Once a secret military project, the submarine tunnels are carved into the cliffs near Perast and along the Luštica coast. During Tito’s era, Yugoslavia hid naval craft here. Today, speedboats quietly slip into these echoing shelters. On LanMariv’s tour, your skipper slows down to explain the Cold War stories — and the view out of a tunnel mouth back onto the bay is unforgettable.

6. Žanjice Beach

Scenic swim stops are a bonus on longer routes. Two favorites near the Blue Cave are Žanjice Beach (pebbles under olive trees) and Mirišta. Both offer clear, shallow water ideal for a dip. LanMariv may include one of these if the Blue Cave is crowded or as a relaxing break after your cave swim. Pack a towel — these coves are perfect for a quick refresh.

7. Tivat (Porto Montenegro)

On the way back to Kotor, many tours pass Porto Montenegro in Tivat — a modern luxury marina dotted with superyachts. While not historic, it showcases Montenegro’s polished Riviera vibe. For cruisers, LanMariv can arrange pickups or drop‑offs here on request. As you return, take in wide views of Lovćen and the Kotor hills.

Tour Logistics & Tips

• Departure: LanMariv tours depart from Perast or the main port in Risan. Arrive 15 minutes early.
• Duration: Shared half‑day tours are ~3–4 hours; full‑day boats (with beaches) are 6–8 hours.
• Booking: Reserve in advance in summer. Instant confirmation and free 24h cancellation.
• What to Bring: Swim gear, sunscreen, towel, sunglasses, hat, small cash.
• Cruise Ships: If you’re on a cruise, tell the booker or captain so we can time your return or pick you up at port.

See Boka Bay by Sea

A boat trip is the best way to uncover Boka Bay’s hidden marvels. Ready to experience Montenegro’s top sights by water? Book a LanMariv tour and start your adventure.