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Several boats visiting a cave at the shore during a boat trip.

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GRGreeceZakynthos (Zante)Keri

Caves Boat Trips Marathonisi (Turtle Island)10 Offers with the Best Prices 2025

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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

4.9

(29)

Starting from: Agios Sostis, Laganas, Kalamaki

3 hours

Free Cancellation
Hotel pickup available

4.9

(29)

Hotel pickup available
From
10 €
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

4.8

(38)

Starting from: Laganas, Agios Sostis, Kalamaki

3 hours

Free Cancellation
Hotel pickup available

4.8

(38)

Hotel 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, Agios Sostis, Kalamaki

5 hours

Free Cancellation
Hotel pickup available
Hotel pickup available
From
35 €
Check availability

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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

(3)

Starting from: Argasi

3 hours

5.0

(3)

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

5.0

(1)

Starting from: Argasi

3 hours

5.0

(1)

From
25 €
Check availability
Semi Private Sunset Boat Trip to Cameo, Marathonisi & Mizithres Island from Best of Zante Boats.
NEW
Best of Zante Boats

Semi Private Sunset Boat Trip to Cameo, Marathonisi & Mizithres Island

Best of Zante Boats
Starting from: Laganas

3 hours

Free Cancellation
Hotel pickup available
Hotel pickup available
From
25 €
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, Laganas, Kalamaki

6 hours

Free Cancellation
Hotel pickup available

5.0

(1)

Hotel pickup available
From
600 €
Check availability
Private Boat Trip to Marathonisi, the Keri Caves & Laganas Beach from Sunwave Cruises Zakyntos.
NEW
Sunwave Cruises Zakyntos

Private Full-day Boat Trip around Zakynthos with Snorkeling & Turtle Spotting

Sunwave Cruises Zakyntos
Starting from: Tsilivi (Planos)

7 hours

From
580 €
Check availability
Private Boat Trip to Marathonisi, the Keri Caves & Laganas Beach from Sunwave Cruises Zakyntos.
NEW
Sunwave Cruises Zakyntos

Private Boat Trip to Marathonisi, the Keri Caves & Laganas Beach

Sunwave Cruises Zakyntos
Starting from: Tsilivi (Planos)

5 hours

From
400 €
Check availability

Offers available nearby

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

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

38 Reviews
Stefan · CoupleNLNetherlands "It has a nice beach. Nice skipper. We had a nice swim in the caves."
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 Boats

Boat Trip to the Keri Caves with Turtle Spotting

29 Reviews
Sylvia Schmidt · FamilyDKDenmark "Super experience and a fantastic captain."
Boat Trip to Mizithres & Turtle Island with Turtle Spotting from Traventure Zakynthos.Traventure Zakynthos

Boat Trip to Mizithres & Turtle Island with Turtle Spotting

26 Reviews
Jelle · CoupleNLNetherlands "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 Marathonisi (Turtle Island)

Traventure Zakynthos

Traventure Zakynthos

152 Reviews
11 Offers
null-null-hero
Free cancellation for all offers
Judith · CoupleNLNetherlands "Good service"
Best of Zante Boats

Best of Zante Boats

128 Reviews
3 Offers
null-null-hero
Free cancellation for all offers
Instant booking confirmation for all offers
Ysabelle · Group of friendsNLNetherlands "The capitaine is simphatic,"
Serene Private Cruises Zakynthos

Serene Private Cruises Zakynthos

9 Reviews
5 Offers
The astonishing Navagio Beach with the famous shipwreck from 1980, visited with Serene Private Cruises Zakynthos.
Free cancellation for all offers
Marco · CoupleITItaly "They are punctual, kind and super nice!!!"
Michael Travel Zakynthos

Michael Travel Zakynthos

6 Reviews
5 Offers
Picture of tour in Zakynthos by Michael Travel Zakynthos.
Heleen · Group of friendsGBUnited Kingdom "It was an amazing experience, very relaxed, friendly and helpful. The sights were stunning, and everything was very well organised, so easy, picked up by the mini bus and dropped off after."
Happy Days Zante

Happy Days Zante

3 Reviews
3 Offers
null-null-hero
Free cancellation for all offers
Instant booking confirmation for all offers
Laura · CoupleCHSwitzerland "Good guide and everything went well :)"
Sunwave Cruises Zakyntos

Sunwave Cruises Zakyntos

3 Reviews
4 Offers
Our boat in the Ionian Sea seen from above.
Umberto · FamilyITItaly "Seriousness and availability You always have someone who calls you and organizes everything You don't have to think about anything They support you and anticipate you step by step"

Marathonisi (Turtle Island): All locations

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.

Marathonisi Beach

3 offers

Marathonisi (Turtle Island): Similar activities

Turtle Swimming in water During Glass-bottom Boat Trip to Turtle Island & Cameo Island with Turtle Spotting from Dali Tours Zakynthos.

Half-Day Trips Marathonisi (Turtle Island)

13 offers
A view of Navagio Shipwreck Beach, where My Tours stops for swimming during the boat tour around Zakynthos.

Day Trips Marathonisi (Turtle Island)

11 offers
Private Boat Trip to the Turtle Island & Keri Caves with Turtle Spotting from My Local Sea Zakynthos.

Boat Trips with Snorkeling Marathonisi (Turtle Island)

11 offers
Private Boat Trip to the Keri Caves and the Shipwreck from Traventure Zakynthos.

Marathonisi (Turtle Island): Boat Trips to Shipwreck Beach

3 offers
Boats in the Water During Sunset Boat Trip to Mizithres & Turtle Island with Wine from Dali Tours Zakynthos.

Sunset Boat Trips Marathonisi (Turtle Island)

3 offers
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