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

“Was a bit disheartened when I saw the boat initially, but once we left the port I and arrived at the first spot it got so much better. Also the guide was very funny and entertaining, and managed to find a turtle for us to…”

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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

“We thoroughly enjoyed our trip. We got to see some beautiful caves and cliffs and swam at two different spots. Our guide was very nice and informative”

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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

“Activity was amazing got to see some really cool places. The turtles are so cool. Our driver Dionisis was kind, helpful, patient and attentive, very nice guy. Would definitely recommended this activity and driver”

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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

“It was incredible! Special thanks to the guide. His sense of humor and talent for photography made the evening incredible. He paid attention to each member of our group, took photos and videos of everyone, and was polite and positive. Everyone should try it!”

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8.Laganas Zakynthos: Marathonissi, Keri Caves and Turtles Spotting

Discover Zakynthos with this 3-hour boat tour from Laganas, spotting turtles, exploring caves, and relaxing on deserted beaches. Great value and authentic sights.

★ 4.0

“The last stop, I think the island of Marathonissi was a tourist trap .. full of boats .. no place to swim and because you are for 1 hour in the sun they will sell you water and ice cream from kiosk boats. But rest…”

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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

“It was a nice maritime tour to see turtles and the coast. The guidance was kind and friendly. But the announcements and explanations couldn’t be heard at every time. The coast is worth to see - don’t miss. But overall we gave 3 stars.”

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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

“Friendly driver however there was very little opportunity to see turtles which was the selling point of the tour. The boat operator was sleazy and the only opportunity to see a turtle was in the harbour where the boat departed. The time on the island…”

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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

“Very good excursion managed to see one turtle even though it was the end of the season. Both captain and rep were very good”

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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

“Super sortie la prise en charge depuis le point rencontre très agréable excellent guide très fun et cadre exceptionnel à faire malgré la masse de touristes”

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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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15.Zakynthos Half Day swimming tour to Turtle island and keri caves

Discover Zakynthos' top sights on this half-day boat tour, including Turtle Island, Keri Caves, and Cameo Island, with options for private or small-group adventures.

★ 4.5

“This trip was amazing. Our ship had a tender problem in port and we were an hour and a half late. The company not only honored our excursion, they sent a boat to give us a private tour. Alexander was an amazing tour guide. We…”

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A shipwreck on the beach and turtles in the bay.