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GRGreeceZakynthos (Zante)Keri

Half-Day Trips Marathonisi (Turtle Island)

14 Offers with the Best Prices 2026
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Popular Options
Locations
Activity
Categories
Included services
Ideal for
Languages
Duration
Picture of a girl swimming next to a trutle during the Boat Trip to the Keri Caves with Turtle Spotting with Best of Zante
Just booked
Best of Zante Boats
Boat Trip to the Keri Caves with Turtle Spotting
Best of Zante Boats
4.8(32)
Starting from: Agios Sostis, Laganas, Kalamaki
3 hours
Free cancellation
Pickup available
4.8(32)
Pickup available
From
10 €
Check availability
Boat Trip to Mizithres & Turtle Island with Turtle Spotting from Traventure Zakynthos.Traventure Zakynthos
Boat Trip to Mizithres & Turtle Island with Turtle Spotting
Traventure Zakynthos
4.8(30)
Starting from: Agios Sostis
4 hours
Free cancellation
Pickup available
4.8(30)
Pickup available
From
30 €
Check availability
Boat Trip from Agios Sostis to the Keri Caves & Turtle Island from Traventure Zakynthos.
Just booked
Traventure Zakynthos
Boat Trip from Agios Sostis to the Keri Caves & Turtle Island
Traventure Zakynthos
4.9(47)
Starting from: Agios Sostis
3 hours
Free cancellation
Pickup available
4.9(47)
Pickup available
From
25 €
Check availability
Glass-Bottom Boat Trip to Keri Caves from Agios Sostis with Turtle Spotting from Happy Days Zante .Happy Days Zante
Glass-Bottom Boat Trip to Keri Caves from Agios Sostis with Turtle Spotting
Happy Days Zante
Starting from: Alikanas, Kalamaki, Agios Sostis
5 hours
Free cancellation
Pickup available
Pickup available
From
35 €
Check availability
People Watching a Turtle on Turtle Spotting Boat Trip to Turtle Island and Keri Caves from Michael Travel Zakynthos.Michael Travel Zakynthos
Glass-bottom Boat Trip to Turtle Island and Keri Caves with Turtle Spotting
Michael Travel Zakynthos
5.0(4)
Starting from: Argasi
3 hours
5.0(4)
From
25 €
Check availability
Boat with glass-bottom from VIP Turtle Spotting Boat Trip to Turtle Island and Keri Caves from Michael Travel Zakynthos.Michael Travel Zakynthos
Luxury Boat Trip to Turtle Island and Keri Caves with Turtle Spotting
Michael Travel Zakynthos
4.7(3)
Starting from: Argasi
3 hours
4.7(3)
From
30 €
Check availability
Turtle Swimming in water During Glass-bottom Boat Trip to Turtle Island & Cameo Island with Turtle Spotting from Dali Tours Zakynthos.Dali Tours Zakynthos
Glass-Bottom Boat Trip to Turtle Island & Cameo Island with Turtle Spotting
Dali Tours Zakynthos
Starting from: Zakynthos (Zante)
5 hours
Free cancellation
Pickup available
Pickup available
From
30 €
Check availability
Private Boat Trip to Turtle Island and the Mizithres Rocks from Traventure Zakynthos.Traventure Zakynthos
Private Boat Trip to Turtle Island and the Mizithres Rocks
Traventure Zakynthos
5.0(21)
Starting from: Agios Sostis
3 - 5 hours
Free cancellation
Pickup available
5.0(21)
Pickup available
From
300 €
Check availability
Picture of a loggerhead sea turtle spotted in the private boat trip to Marathonisi Island and the Keri Caves with turtle spotting with Serene Private Cruises.Serene Private Cruises Zakynthos
Private Boat Trip to Marathonisi Island & the Keri Caves with Turtle Spotting
Serene Private Cruises Zakynthos
Starting from: Kavos Psarou
4 hours
Free cancellation
Drinks available
Drinks available
From
330 €
Check availability
Private Boat Trip to the National Marine Park of Zakynthos from My Local Sea Zakynthos.My Local Sea Zakynthos
Private Boat Trip to the National Marine Park of Zakynthos
My Local Sea Zakynthos
5.0(3)
Starting from: Agios Sostis
3 hours
Free cancellation
5.0(3)
From
280 €
Check availability
Private Boat Trip to the Turtle Island & Keri Caves with Turtle Spotting from My Local Sea Zakynthos.My Local Sea Zakynthos
Private Boat Trip to the Turtle Island & Keri Caves with Turtle Spotting
My Local Sea Zakynthos
5.0(1)
Starting from: Agios Sostis
3 hours
Free cancellation
5.0(1)
From
300 €
Check availability
A picture of a luxurious motor boat during the Private Boat Trip to Turtle Island and Keri Caves with Snorkeling from Mistral Rentals Zakynthos.Mistral Rentals Zakynthos
Private Boat Trip to Turtle Island and Keri Caves with Snorkeling
Mistral Rentals Zakynthos
Starting from: Kavos Psarou
5 - 6 hours
Drinks available
Drinks available
From
630 €
Check availability
Private Boat Trip from Zakynthos to the Turtle Island, Keri Caves & Myzithres Rocks from Aqua Travel Zakynthos.Aqua Travel Zakynthos
Private Boat Trip to the Turtle Island, Keri Caves & Myzithres Rocks
Aqua Travel Zakynthos
Starting from: Kavos Psarou
5 hours
Free cancellation
Drinks available
Drinks available
From
530 €
Check availability
My Tours glass bottom boat goes to Marathonisi-Island and Keri-Caves.
Just booked
My Tours Zakynthos
Boat Trip to Marathonisi Island and Keri Caves with Turtle Spotting
My Tours Zakynthos
5.0(9)
Starting from: Agios Sostis
3 hours
Free cancellation
5.0(9)
From
19 €
Check availability
Full Glass Bottom Boat Trip to Marathonisi Caves with Turtle Spotting from Rent All Mania Zante.Rent All Mania Zante
Currently not availableFull Glass Bottom Boat Trip to Marathonisi Caves with Turtle Spotting
Rent All Mania Zante
Starting from: Keri
3 hours
Free cancellation
Pickup available
Pickup available
View details

Offers available nearby

What customers love about boat trips in Marathonisi (Turtle Island)

4.9
150 reviews
Boat Trip from Agios Sostis to the Keri Caves & Turtle Island from Traventure Zakynthos.Traventure ZakynthosBoat Trip from Agios Sostis to the Keri Caves & Turtle Island
47 Reviews
Nadine FRFrance

Great trip!

Picture of a girl swimming next to a trutle during the Boat Trip to the Keri Caves with Turtle Spotting with Best of ZanteBest of Zante BoatsBoat Trip to the Keri Caves with Turtle Spotting
32 Reviews
Sylvia Schmidt · FamilyDKDenmark

Super experience and a fantastic captain.

A view of Navagio Shipwreck Beach, where My Tours stops for swimming during the boat tour around Zakynthos.My Tours ZakynthosBoat Trip around Zakynthos to Shipwreck & Turtle Island with Swimming
13 Reviews
Lorenzo · FamilyITItaly

Beautiful tour, fun and exciting. Everything was wonderful, even the dog Mara ❤️

Marathonisi (Turtle Island): Popular providers

Traventure ZakynthosTraventure Zakynthos
194 Reviews
11 Offers
null-null-hero
Free cancellation for all offers
Sylvia · FamilyGRGreece

Small boat, plenty of time to swim, and the skipper did his best to locate the turtles for us.

Best of Zante BoatsBest of Zante Boats
134 Reviews
2 Offers
null-null-hero
Free cancellation for all offers
Instant booking confirmation for all offers
Wahan · Group of friendsNLNetherlands

Value for the price is really good, and had some nice freedom to swim and relax aswell. Do recommend

My Tours ZakynthosMy Tours Zakynthos
38 Reviews
5 Offers
One of the boats of My Tours Zakynthos navigating in the Ionian Sea during a boat trip.
Free cancellation for all offers
Stefania · FamilyITItaly

Well-organized tour. Excellent support throughout the day. Thank you for the wonderful experience.

Serene Private Cruises ZakynthosSerene Private Cruises Zakynthos
10 Reviews
5 Offers
The astonishing Navagio Beach with the famous shipwreck from 1980, visited with Serene Private Cruises Zakynthos.
Free cancellation for all offers
bertrand · FamilyFRFrance

really great - to do absolutely and to do again

Michael Travel ZakynthosMichael Travel Zakynthos
9 Reviews
5 Offers
Picture of tour in Zakynthos by Michael Travel Zakynthos.
Olga · FamilyNLNetherlands

Good experience for good price!

Aqua Travel ZakynthosAqua Travel Zakynthos
8 Reviews
7 Offers
Beautiful blue waves with Aqua Travel Zakynthos.
Free cancellation for all offers
Instant booking confirmation for all offers
Mia · CoupleITItaly

It is the best way to visit all the beautiful beaches! Best experience ever! Raffael gave us an excellent introduction and explained everything in detail, so we were fully prepared and had an amazing day. Perfect!! It‘s a bit pricy but worth the experience!

Marathonisi (Turtle Island): Similar activities

Bird's-eye view of the motorboat used in the private boat trip around Zakynthos with turtle spotting with Serene Private Cruises.
Private Boat Tours Marathonisi (Turtle Island)

21 offers

A girl relaxing in the water during the Snorkeling Trip from Laganas to Turtle Island from Eurodivers Zakynthos.
Boat Trips with Snorkeling Marathonisi (Turtle Island)

12 offers

Semi Private Sunset Boat Trip to Cameo, Marathonisi & Mizithres Island from Best of Zante Boats.
Sunset Boat Trips Marathonisi (Turtle Island)

3 offers

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