Zakynthos Glass Bottom Boat Tour to Keri Caves and Turtle Island

Duration3h

Free cancellationFull refund up to 24 hours before

Instant confirmationYour booking is confirmed right away

TicketMobile or paper ticket accepted

LanguagesEnglish

Group sizeUp to 23 travelers

Overview

Explore the stunning southern coastline of Zakynthos on a 3-hour glass-bottom boat cruise through the National Marine Park. Starting from Agios Sostis Harbor, glide across the turquoise waters of Laganas Bay, a vital nesting area for loggerhead sea turtles. Marvel at the breathtaking Keri Caves, where dramatic white cliffs and natural arches meet the sea. Weather permitting, enjoy swimming in secluded spots and relax on Marathonisi Island, famed for its turtle-like shape. Capture memorable moments at Cameo Island on your way back. This intimate tour allows for a maximum of 16 guests, ensuring personalized attention from your professional captain and host.

- 3-hour glass-bottom boat cruise exploring Zakynthos' coastline
- Visit the stunning Keri sea caves and swim near Marathonisi Island
- Small group experience with a maximum of 16 guests for personalized service
- Depart from Agios Sostis Harbor, with life jackets and professional guidance included

What's included

English-speaking tour guide
Glass-bottom boat cruise
Fuel and local taxes
Safety briefing
Swimming stops
Professional captain

Hotel pickup and drop-off
Food and drinks
Personal expenses

What to expect

10m

Departure from Agios Sostis Harbor. Meet the crew, receive a short safety briefing, and board the glass-bottom boat before cruising into Laganas Bay.
National Marine Park of Zakynthos
30m · Admission ticket included

Cruise across the crystal-clear waters of Laganas Bay, part of the National Marine Park of Zakynthos. This protected area is known as a nesting habitat of the loggerhead sea turtle (Caretta caretta). Wildlife sightings depend on natural conditions and are not guaranteed.
Cameo Island
Pass by

Scenic cruise past Cameo Island, a small island formed after a 17th-century earthquake. Photo opportunity from the boat.
Marathonisi
40m · Admission ticket included

Stop near Marathonisi Island for swimming and relaxation. Enjoy clear waters and photo opportunities at this iconic island known for its distinctive turtle shape.
Keri Caves
30m · Admission ticket included

Explore the impressive Keri sea caves and limestone rock formations. The boat approaches natural arches and vivid blue waters, offering excellent photo opportunities and close-up views of the dramatic coastline. This stop focuses on sightseeing and exploration from the boat.
Limni Keri
20m

Enjoy a refreshing swimming stop in a sheltered area close to the Keri Caves. Weather permitting, guests can swim in crystal-clear turquoise waters and experience the unique marine landscape of Zakynthos’ southern coastline.
Ionian Islands
Pass by

Cruise through the stunning Ionian Islands region, known for its turquoise waters, dramatic limestone cliffs, and rich marine ecosystem. Throughout the journey, enjoy panoramic coastal views and the natural beauty that makes Zakynthos one of the most iconic destinations in the Ionian Sea.

Meeting and pickup

Meeting point

Meet at Agios Sostis Harbor, Laganas, at the main pier near the small fishing boats. Look for the glass-bottom boat and a black flag with the Nautilos logo at the dock. Please arrive 15 minutes before departure and present your mobile voucher upon boarding.

End point

Meet at Agios Sostis Harbor, Laganas, at the main pier near the small fishing boats. Look for the glass-bottom boat and a black flag with the Nautilos logo at the dock. Please arrive 15 minutes before departure and present your mobile voucher upon boarding.

Additional information

Public transportation options are available nearby
Infants are required to sit on an adult’s lap
Not recommended for travelers with spinal injuries
Not recommended for pregnant travelers
Not recommended for travelers with poor cardiovascular health
Suitable for all physical fitness levels

Cancellation policy

For a full refund, cancel at least 24 hours before the scheduled departure time.

Reviews

4.5 (20)