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

“It was a really great day out amongst some of the clearest most beautiful locations. although I do wish we saw more turtles, and felt a little bad that so many boats were chasing this one turtle in the harbour, the banter between the guys…”

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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

“An amazing tour with plenty of great swim stops and we did see a turtle! The captain Pro was fantastic and made everyone feel really comfortable. 100% recommend.”

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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

“Brilliant. Saw turtles, taken to beautiful spots to swim and also to Keri caves. Added on transport from hotel which was cheap and reliable. Highly recommend.”

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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

“Turtle spotting in the port, only two turttles, but beautiful, Keri caves with break for swimming and Marathonisi island with break for swimming”

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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

“Guide was really good but the boat ride is a long one because the areas we visited were not super interesting. Keri caves- a few caves along the ocean with blue water, turtle beach: an overcrowded beach with swimming and mediocre snorkelling and sitting on…”

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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

“Good communication with the company as they changed our time, good trip overall, Shame the microphone had broken so the tour rep couldn’t explain things to us but it didn’t ruin the 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

“We were fortunate to have an exceptional tour boat operator who went out of his way to ensure that we were able to see the turtles and the beautiful caves from this area. As well, he brought us to a beach where the water was…”

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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 cruise, conciderate of the turtles enviroment unlike others we witnessed. Show other areas of the islands cave features, with stop off for swimming. Commentry of the sights were great”

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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

“Sehr nettes Personal ,alles Wichtige erklärt, kleine Boote mit überschaubaren Gästen drauf. Für 25€ tolles Erlebnis inklusive Baden Sehenswürdigkeiten Schildkröten gesehen und die Fahrt selber ist auch ein Erlebnis. Vielen Dank nur weiter zu empfehlen”

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A shipwreck on the beach and turtles in the bay.