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Gulf of Kefalos glass bottom boat tour with optional transfers

3.9/5
391 reviews

Perfect for families, our glass-bottom boat adventure makes a fascinating way to experience this stretch of coast. Our first stop is the pinprick Kastri Island, where you can visit a church, stroll around the island, or even stop for a swim at one of the inviting small beaches. Be sure to take a few snaps, as it's the most photographed spot on Kos.

Next, it's off to Camel Beach, a pretty cove flanked by rocks and lapped by azure waters - the perfect backdrop for a swim. Finally, you'll visit the famous Paradise Beach, where the highlight is witnessing the unique bubble phenomenon, a mesmerising area where streams of bubbles rise into the water from the sea bed.

Our glass-bottom boat ensures you can admire the underwater wonders of the Aegean as you travel from place to place. Don't forget your camera to capture your unforgettable boat trip around the Gulf of Kefalos.

+100 Smiles

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Main features

Free cancellation
Place: Kos
Duration: from 2 hours to 4 hours
Language:English
Printed ticket only

Additional features

Instant confirmation
Hotel pick up

Why you’ll love this…

  • You'll explore the Gulf of Kefalos with stops at sun-kissed beaches
  • There's a Visit to Kastri island, the most photographed spot on Kos
  • You'll experience the remarkable bubble phenomenon at Paradise Beach

Important to know

  • You can book this excursion with or without transfers
  • Food and drinks not included

Cancellation policy

Receive a 100% refund if you cancel up to 1 day before the experience begins.


What’s included

  • Boat cruise
  • Swim stops
  • Snorkeling

Booking fee

Good news! No extra fees are applied to this booking.


Pickup points

To see which pickup points are available, check under availability & prices.

Provider

TUI Hellas Travel, Tourism and Airlines SA


What people say about this experience

3.9/5

All reviews are verified

Based on 391 reviews


Review categories

Service

2.6/5

Safety

5/5

Staff

5/5

Value for money

4.6/5


31%
41%
18%
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  • C

    Cawilo

    Travelled with a group of friends


    24 September 2026
    5

    Germany

    Alles von Anfang an gut durch organisiert. Leider keine deutsche Sprache, nur Englisch. Sonst war es ein Erlebnis. Vor allem der Strand mit den berühmten vulkanischen Blasen im Meer auf Kos, Paradise Beach oder auch Bubble Beach in der Nähe von Kefalos im Süden der Insel war mega.

  • S

    Sabrina

    Travelled with family


    14 September 2026
    5

    Germany

    Von der Buchung über die Hinfahrt/Rückfahrt bis zur Tour auf dem Boot ein TOP Erlebnis! Alle sehr freundlich. Der Guide auf dem Boot macht seinen Job unglaublich gut, wie er alles erklärt und erzählt…und das mit so viel Humor. Es war einfach eine super schöne und witzige Tour. Haben es schon jemandem weiter empfohlen. Wenn ich wieder mal nach Kos komme, möchte ich dieses Tour wieder machen - diesmal aber mit einer Unterwasserkamera😁 es hat einfach alles super geklappt🙌🏼 VIELEN DANK

  • T

    Tedcat

    Travelled with family


    24 August 2026
    5

    United Kingdom

    Highly recommend for anyone looking for a 1/2 day trip. We arrived about ten & the boat left soon after. Stopped off at an island to have a look around & had two more swim stops - camel beach & paradise beach to see the volcanic bubbles. Latter was incredible to witness. The captain and his shipmate, were great. Shared tourist information & able to buy crisps/drinks. As others have said, you couldn’t see any fish from the glass bottom but didn’t bother us at all. Back at the hotel by 1:30pm

  • A

    Andrea

    Travelled with family


    28 August 2026
    5

    Germany

    Super Tour und tolles Erlebnis für schwimmbegeisterte Familien. Plus: super angenehmer Transfer klimatisiert direkt vom Hotel zum Boot bei dem man auch noch etwas von der Insel gesehen hat. Schwimmstops waren toll und zusätzlich Insel Kastri als kleines Sightseeing on top. Insgesamt sehr empfehlenswert!

  • C

    Christine Potter

    Travelled with family


    13 August 2026
    5

    United Kingdom

    Family experience and enjoyed by all ages Just about the right time on board the boat

  • L

    Lorenzo

    Travelled with family


    7 September 2026
    5

    United Kingdom

    Great experience Kids loved it