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Several boats near the coast during a boat trip to Marathonisi Island.
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GRGreeceZakynthos (Zante)Keri

Boat Trips from Keri Caves to Turtle Island (Marathonisi)

12 Offers with the Best Prices 2026/2027 - CheckYeti
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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)
Save up to 10%  
Pickup available
Save up to 10%  From
30 € 27 €
Check availability
Boat Trip from Agios Sostis to the Keri Caves & Turtle Island from Traventure Zakynthos.Traventure Zakynthos
Boat Trip from Agios Sostis to the Keri Caves & Turtle Island
Traventure Zakynthos
4.9(48)
Starting from: Agios Sostis
3 hours
Free cancellation
Pickup available
4.9(48)
Pickup available
From
25 €
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(22)
Starting from: Agios Sostis
3 - 5 hours
Free cancellation
Pickup available
5.0(22)
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
310 €
Check availability
Private Boat Trip to the Keri Caves and the Shipwreck from Traventure Zakynthos.Traventure Zakynthos
Private Boat Trip to the Keri Caves and the Shipwreck
Traventure Zakynthos
5.0(1)
Starting from: Agios Sostis
6 hours
Free cancellation
Pickup available
5.0(1)
Pickup available
From
600 €
Check availability
Bird's-eye view of the motorboat used in the private boat trip around Zakynthos with turtle spotting with Serene Private Cruises.Serene Private Cruises Zakynthos
Private Boat Trip around Zakynthos with Turtle Spotting
Serene Private Cruises Zakynthos
5.0(1)
Starting from: Kavos Psarou
8 hours
Free cancellation
Drinks available
5.0(1)
Drinks available
From
700 €
Check availability
Private Boat Trip all around Zakynthos from Agios Sostis from Traventure Zakynthos.Traventure Zakynthos
Private Boat Trip all around Zakynthos from Agios Sostis
Traventure Zakynthos
Starting from: Agios Sostis
7 hours
Free cancellation
Pickup available
Pickup available
From
1100 €
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
Boat Rental in Agios Sostis (up to 5 people) - Beginner (25-30 HP).Traventure Zakynthos
Boat Rental in Agios Sostis (up to 5 people) - Beginner (25-30 HP)
Traventure Zakynthos
4.8(31)
Agios Sostis1 - 4 hoursNo licence needed
Free cancellation
Pickup available
4.8(31)
Pickup available
From
80 €
Check availability

What customers love about boat trips in Keri Caves

4.8
137 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
48 Reviews
Sylvia · Family
GRGreece

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

Private Boat Trip to Turtle Island and the Mizithres Rocks from Traventure Zakynthos.Traventure ZakynthosPrivate Boat Trip to Turtle Island and the Mizithres Rocks
22 Reviews
Sharon · Couple
NZNew Zealand

We enjoyed being on a tour by ourselves. Skipper was really experienced and manouvered the boat to ensure we could see the turtle. Really flexible about how long we spent swimming and what we could do with our remaining time. Hotel transfer provided free of charge also a bonus.

Boat Trip to Mizithres & Turtle Island with Turtle Spotting from Traventure Zakynthos.Traventure ZakynthosBoat Trip to Mizithres & Turtle Island with Turtle Spotting
30 Reviews
Jelle · Couple
NLNetherlands

We had booked to go on the glass boat. But because we were there in early May, it was not available yet. So we got to go on a speedboat with 6 others! It was a great experience with a very good experienced guide. 100% worth the money!!

Popular Boat Tour Providers in Keri Caves

Traventure ZakynthosTraventure Zakynthos
201 Reviews
11 Offers
null-null-hero
Free cancellation for all offers
Sharon · Couple
NZNew Zealand

We enjoyed being on a tour by ourselves. Skipper was really experienced and manouvered the boat to ensure we could see the turtle. Really flexible about how long we spent swimming and what we could do with our remaining time. Hotel transfer provided free of charge also a bonus.

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 · Family
FRFrance

really great - to do absolutely and to do again

My Local Sea ZakynthosMy Local Sea Zakynthos
4 Reviews
2 Offers
A boat on the crystal clear water and white sand.
Free cancellation for all offers
Instant booking confirmation for all offers
Sylvia · Family
GRGreece

Good service, friendly shiipper

Keri Caves: Similar activities

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.
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Private Boat Trip to Turtle Island and the Mizithres Rocks from Traventure Zakynthos.
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Bird's-eye view of the motorboat used in the private boat trip around Zakynthos with turtle spotting with Serene Private Cruises.
Turtle Spotting Keri Caves

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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.
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Private Boat Trip all around Zakynthos from Agios Sostis from Traventure Zakynthos.
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