Zakynthos

15 Best Zakynthos Turtle Cruises

The loggerhead cruises in the marine park: glass-bottom boats over the grass beds, Marathonisi’s turtle-shaped islet and Keri’s caves on the loop. Caretta caretta nests on these beaches; the licensed boats keep the legal distance and still deliver.

1.Zakynthos: Turtle Spotting Cruise with Glass-Bottom Boat

Experience Zakynthos on a 3-hour glass-bottom boat cruise—spot turtles, explore caves, swim in crystal waters, and enjoy stunning scenery with expert guides.

Most Popular★ 4.5

“The highlight of our holiday in Zakynthos. Captain Dennis was very funny and very knowledgeable of how to find the turtles and where to look, giving everyone a chance to see. The swimming spot was incredible with a gorgeous view and Turtle Island was a…”

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2.Zakynthos: Turtles, Marathonisi & Keri Caves Speedboat Tour

Discover Zakynthos' highlights on a 2.5-hour speedboat tour, including turtle sightings, caves, and stunning beaches, with expert guides.

★ 4.5

“Beautiful views, (especially the water), funny guide and etc. Honestly, all of it was lovely. I would 100% do it again. The guide knew his facts and showed us extra places and everything. He also gave us his opinons on the beaches and which ones…”

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3.Zakynthos: Turtle Island & Keri Caves Glass-Bottom Boat Tour

Discover Zakynthos’ Turtle Island and Keri Caves on a glass-bottom boat tour. Spot turtles, explore caves, and enjoy scenic views for a memorable day.

★ 4.6

“Family of 4 with the youngest being 19, so all adults. We all had a lovely day, everything was organised well from pick up right through to drop off. Booking was quick and easy too, highly recommend this trip”

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4.Zakynthos: Marathonisi, Cameo Island and Keri Caves Tour

Discover Zakynthos with a 5-hour tour exploring Cameo Island, Marathonisi, and Keri Caves. Swim, spot turtles, and taste local olive oils on this balanced adventure.

★ 4.2

“This tour was amazing, very well organized! The driver was very kind, picked us up on time. The boat driver was very experienced, navigated close to the cliffs. We could see the turtles and stopped twice for swimming in the turquoise see. During the olive…”

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5.Zakynthos: Turtle Spotting, Marathonísi & Keri Caves Cruise

Discover Zakynthos on a 3.5-hour eco-friendly cruise with turtle spotting, swimming at Marathonisi and Keri Caves, perfect for nature lovers and adventure seekers.

★ 4.2

“The boat was smaller compared to others which meant that there was more opportunity for us to see the turtles. Our captain was great and we had several opportunities to stop and swim. We managed to see the turtles and several sites.”

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6.Zakynthos: Half-Day Tour to Turtle Island and Keri Caves

Discover Zakynthos’ highlights with this half-day tour visiting Turtle Island, Keri Caves, Cameo Island, and an olive oil press—perfect for a quick, authentic adventure.

★ 4.2

“We liked this part of the island as well, the island itself is so gorgeous! On this tour you have time to explore the sights by yourself, but worth to go on the first part of your trip - because to go to Cameo island…”

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7.Zakynthos: Keri Lake Romantic Sunset & Myzithres Viewpoint

Experience a romantic sunset at Myzithres, explore Keri Lake’s peaceful beach, and enjoy stunning views with a knowledgeable guide on this affordable Zakynthos tour.

★ 4.6

“The tour was a lovely experience with stunning views! Our guide Christos was a great photographer and very attentive, always checking to make sure everyone was okay. Highly recommend! 😊”

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9.Zakynthos: Glass-Bottom Boat to Navagio, Caves & White Beach

Explore Zakynthos on a glass-bottom boat tour visiting Navagio Beach, caves, and White Beach. Experience stunning views, clear waters, and expert guides.

★ 4.6

“I didn’t do this activity exactly but it included this. The company was amazing and as it was my last day on the island they gave me the option of dropping me off at the airport with no extra cost. It made moving around amazing.…”

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10.Cruise to turtle’s island and caves with a glass bottom boat

Discover Zakynthos' Turtle Island and caves on a glass-bottom boat tour. Expect wildlife sightings, snorkeling, and scenic caves—perfect for nature lovers.

★ 4.0

“Excellent value for money and small group Guide had excellent knowledge and very friendly. Door to to service. Would highly recommend this trip”

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11.Zakynthos Half Day Tour to the Turtle Island, Cameo & Keri Caves

Discover Zakynthos' highlights on a half-day tour—turtle spotting, caves, and olive oil tasting—perfect for travelers seeking authentic local scenery.

★ 4.0

“Well organised and friendly, this is run by Dali Tours and Nautilus. We saw a turtle as promised, the swim stops are in great spots and you get close to the natural arches and caves.”

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12.Turtle Spotting Cruise in Zakynthos

Discover the wildlife and scenic beauty of Zakynthos on this 4-hour turtle spotting cruise, including stops at Keri Caves and Turtle Island, with hotel pickup.

★ 3.5

“Enjoyed the guide, and the sites and the two turtles we encountered. Should've brought good beers and food with us.”

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13.Caretta – Caretta Turtle Trip (Boat Trip)

Discover Zakynthos’ treasures on a 3-hour boat tour spotting Caretta turtles, swimming at Marathonisi, and exploring stunning caves—all from a small group.

★ 4.5

“This is an incredible trip — you’ll be well looked after, experience breathtaking sights, and even catch the distinctive scent of sulphur rising from the natural underground vents.”

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14.3 Hours Marathonissi Island Tour, Keri Caves and Turtles Spotting

Explore Zakynthos on a 3-hour boat tour visiting Marathonissi Island, Keri Caves, and spotting sea turtles in their natural habitat for an authentic Greek adventure.

★ 4.0

“Nuotata nello splendido mare delĺa spiaggia di Keri,. Grotte e passaggio attraverso gli archi di roccia. Marathonissi , un po' troppo affollata. Il capitano Yorgo, molto gentile.”

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A shipwreck on the beach and turtles in the bay.