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Two kids looking at the seabed during a glass-bottom boat trip.
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GRGreeceIonian IslandsZakynthos (Zante)

Glass-Bottom Boat Trips Keri

4 Offers with the Best Prices 2025/2026
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Popular Options
Locations
Activity
Categories
Included services
Ideal for
Languages
Duration
Full Glass Bottom Boat Trip to Marathonisi Caves with Turtle Spotting from Rent All Mania Zante.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
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
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 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, Laganas, Kalamaki
4 hours
Free cancellation
Hotel pickup available
4.8(30)
Hotel pickup available
From
30 €
Check availability
Sunset Full Glass Bottom Boat Trip to Marathonisi & Keri Caves with Swimming from Rent All Mania Zante.NewRent All Mania Zante
Currently not availableSunset Full Glass Bottom Boat Trip to Marathonisi & Keri Caves with Swimming
Rent All Mania Zante
Starting from: Keri
3 hours
Free cancellation
Hotel pickup available
Hotel pickup available
View details

Offers available nearby

What customers love about boat trips in Keri

4.8
33 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
43 Reviews
Hannelore · CoupleATAustria

There were only four of us on the boat (9:00 tour), and the captain was very nice. Unfortunately, we didn't see any turtles, but it was still great.

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
11 Reviews
Ambra · FamilyITItaly

Complete tour of the entire island with swimming stops in wonderful places, attentive and knowledgeable on-board staff, explanations also in Italian.

Taxi Boat to Turtle Island from Agios Sostis from Traventure Zakynthos.Traventure ZakynthosTaxi Boat to Turtle Island from Agios Sostis
16 Reviews
Lavinia · FamilyITItaly

We had a great time. The people were kind, cheerful, and punctual.

Popular Boat Tour Providers in Keri

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

Nice trip beautiful nature

Michael Travel ZakynthosMichael Travel Zakynthos
8 Reviews
5 Offers
Picture of tour in Zakynthos by Michael Travel Zakynthos.
Elselien · CoupleNLNetherlands

Great day! The program is well put together, an effort is made to find turtles. We swam wonderfully and enjoyed the beautiful surroundings. And... we also saw a turtle, despite it not being the right season. If you have the chance, sit at the front of the boat, wonderful! The captain makes an effort for his passengers, despite the fact that we were of course number 20,000!

Happy Days ZanteHappy 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 :)

Rent All Mania ZanteRent All Mania Zante
2 Reviews
3 Offers
The Callegari boat of Rent All Mania Zante during a trip to Zakynthos' Blue Caves.
Free cancellation for all offers
Jessica · FamilyNLNetherlands

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

Trending boat trips in Keri

The boat used for the boat rental in Keri with Fun@Sea.Fun@Sea ZakynthosBoat Rental in Keri (up to 6 people)
Bestseller
From150 €
Full Glass Bottom Boat Trip to Marathonisi Caves with Turtle Spotting from Rent All Mania Zante.Rent All Mania ZanteFull Glass Bottom Boat Trip to Marathonisi Caves with Turtle Spotting
Recently booked
Free cancellation
From60 €
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
Bestseller
Free cancellation
From230 €

Keri: All locations

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

4 offers

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

4 offers

Keri: Similar activities

Private Boat Trip around Zakynthos from Agios Sostis from Traventure Zakynthos.
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24 offers

Private Boat Trip to the National Marine Park of Zakynthos from My Local Sea Zakynthos.
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Private Boat Trip to Turtle Island and the Mizithres Rocks from Traventure Zakynthos.
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A turtle swimming under water by turtle island which can be visited during the Boat Rental in Keri (up to 10 People) with Fun@Sea in Zakynthos.
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Private Boat Trip to the National Marine Park of Zakynthos from My Local Sea Zakynthos.
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Semi Private Sunset Boat Trip to Cameo, Marathonisi & Mizithres Island from Best of Zante Boats.
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