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

Boat Trips from Keri to Turtle Island (Marathonisi)

37 Offers with the Best Prices 2026 - CheckYeti
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Popular Options
Locations
Activity
Categories
Included services
Ideal for
Languages
Duration
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, Laganas, Kalamaki
3 - 5 hours
Free cancellation
Hotel pickup available
5.0(21)
Hotel pickup available
From
300 €
Check availability
Full Glass Bottom Boat Trip to Marathonisi Caves with Turtle Spotting from Rent All Mania Zante.
Just booked
NewRent All Mania Zante
Full Glass Bottom Boat Trip to Marathonisi Caves with Turtle Spotting
Rent All Mania Zante
Starting from: Keri
3 hours
Free cancellation
Hotel pickup available
Hotel pickup available
From
60 €
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
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
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
Hotel pickup available
Hotel pickup available
From
30 €
Check availability
Boats in the Water During Sunset Boat Trip to Mizithres & Turtle Island with Wine from Dali Tours Zakynthos.Dali Tours Zakynthos
Sunset Boat Trip to Mizithres & Turtle Island with Wine
Dali Tours Zakynthos
Starting from: Zakynthos (Zante)
4 hours
Free cancellation
Hotel pickup available
Hotel pickup available
From
40 €
Check availability
Private Boat Trip from Alikanas to Marathonisi & Porto Zorro Beach from Adonis Boat Rentals Zakynthos.NewAdonis Boat Rentals Zakynthos
Private Boat Trip from Alikanas to Marathonisi & Porto Zorro Beach
Adonis Boat Rentals Zakynthos
Starting from: Alikanas
6 hours
Free cancellation
From
550 €
Check availability
Private Boat Trip to Marathonisi, the Keri Caves & Laganas Beach from Sunwave Cruises Zakyntos.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
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
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
Hotel pickup available
Hotel pickup available
From
35 €
Check availability
Private Boat Trip to Marathonisi, the Keri Caves & Laganas Beach from Sunwave Cruises Zakyntos.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
Taxi Boat to Turtle Island from Agios Sostis from Traventure Zakynthos.Traventure Zakynthos
Taxi Boat to Turtle Island from Agios Sostis
Traventure Zakynthos
4.9(16)
Starting from: Agios Sostis, Laganas, Kalamaki
1 hour
Free cancellation
Hotel pickup available
4.9(16)
Hotel pickup available
From
10 €
Check availability
Turtle spotted during the RIB Boat Trip to Marathonisi and Keri Caves with Turtle Spotting from Explore Zakynthos.Explore Zakynthos
RIB Boat Trip to Marathonisi and Keri Caves with Turtle Spotting
Explore Zakynthos
Starting from: Vasilikos
4 hours
Free cancellation
Drinks available
Drinks available
From
40 €
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
410 €
Check availability
Semi Private Sunset Boat Trip to Cameo, Marathonisi & Mizithres Island from Best of Zante Boats.Best of Zante Boats
Semi Private Sunset Boat Trip to Cameo, Marathonisi & Mizithres Island
Best of Zante Boats
5.0(1)
Starting from: Laganas
3 hours
Free cancellation
Hotel pickup available
5.0(1)
Hotel pickup available
From
25 €
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
Showing 1 - 16 out of 37 offers

What customers love about boat trips in Keri

5.0
43 reviews
Boat with glass-bottom from VIP Turtle Spotting Boat Trip to Turtle Island and Keri Caves from Michael Travel Zakynthos.Michael Travel ZakynthosLuxury Boat Trip to Turtle Island and Keri Caves with Turtle Spotting
3 Reviews
Ingeborg · CoupleGRGreece

An incredibly fun boat trip with a great captain. A unique kind of boat with a glass bottom so you could see the turtles swimming beautifully. Dog-friendly!

Boat Rental in Keri (up to 8 people) without Licence from Rent All Mania Zante.Rent All Mania ZanteBoat Rental in Keri (up to 8 people) without Licence
2 Reviews
Jessica · FamilyNLNetherlands

Good explanation, they speak good English. They show you where you can and are allowed to sail.

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
30 Reviews
Yvonne · CoupleGRGreece

Definitely recommended, very informative, fun and a super enthusiastic and cheerful captain... Dennis is a star!

Popular Boat Tour Providers in Keri

Traventure ZakynthosTraventure Zakynthos
181 Reviews
11 Offers
null-null-hero
Free cancellation for all offers
Dirk · FamilyNLNetherlands

The price was reasonable at €10.00 per person. Since the island was incredibly busy, we opted for a short visit. A text message was enough to get picked up again 10 minutes later. Other boats have a more extensive program with sightseeing stops and swimming stops. If you want more freedom, the boat taxi is a great option.

Best of Zante BoatsBest of Zante Boats
132 Reviews
2 Offers
null-null-hero
Free cancellation for all offers
Instant booking confirmation for all offers
Sylvia Schmidt · FamilyDKDenmark

Super experience and a fantastic captain.

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
Eirik · CoupleNONorway

Great captain, good information during the trip. Good stops where we could take a swim. Loots of caves! Good sunset spot

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
Carsten · CoupleDEGermany

Very good service. Great locations. Great skipper.

Sunwave Cruises ZakyntosSunwave Cruises Zakyntos
4 Reviews
4 Offers
Our boat in the Ionian Sea seen from above.
Fabian · CoupleDEGermany

Everything was perfect. Oni was a Perfect perfect host, showed us everything and answered all our questions. We loved it, the ocean was so blue, never seen before.

Explore ZakynthosExplore Zakynthos
3 Reviews
3 Offers
View on the bay in Zakynthos by Explore Zakynthos.
Free cancellation for all offers
Mascha · FamilyDEGermany

Great tour and very nice crew. Also very good with kids!

Keri: All locations

Full Glass Bottom Boat Trip to Marathonisi Caves with Turtle Spotting from Rent All Mania Zante.
Marathonisi (Turtle Island)

37 offers

My Tours glass bottom boat goes to Marathonisi-Island and Keri-Caves.
Keri Caves

31 offers

Boat Trip to Mizithres & Turtle Island with Turtle Spotting from Traventure Zakynthos.
Mizithres

15 offers

The boat used for the boat rental in Keri with Fun@Sea.
Limni Keri (Keri Beach)

3 offers

Keri: 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.
Private Boat Tours Keri

24 offers

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

23 offers

Private Boat Trip to the National Marine Park of Zakynthos from My Local Sea Zakynthos.
Turtle Spotting Keri

20 offers

Glass-Bottom Boat Trip to Keri Caves from Agios Sostis with Turtle Spotting from Happy Days Zante .
Island Trips Keri

17 offers

Private Boat Trip from Alikanas to Marathonisi & Porto Zorro Beach from Adonis Boat Rentals Zakynthos.
Day Trips Keri

15 offers

Glass-Bottom Boat Trip to Keri Caves from Agios Sostis with Turtle Spotting from Happy Days Zante .
Half-Day Trips Keri

15 offers

Sunset Boat Rental in Keri (up to 8 people) with Skipper from Rent All Mania Zante.
Sunset Boat Trips Keri

5 offers

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