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

Boat Trips from Agios Sostis to Keri Caves

10 Offers with the Best Prices 2026/2027
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Boat Trip from Agios Sostis to the Keri Caves & Turtle Island from Traventure Zakynthos.
Bestseller
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
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
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
My Tours glass bottom boat goes to Marathonisi-Island and Keri-Caves.
Bestseller
My Tours Zakynthos
Boat Trip to Marathonisi Island and Keri Caves with Turtle Spotting
My Tours Zakynthos
5.0(12)
Starting from: Agios Sostis
3 hours
Free cancellation
5.0(12)
From
19 €
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
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 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
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
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
Picture of a girl swimming next to a trutle during the Boat Trip to the Keri Caves with Turtle Spotting with Best of Zante
Bestseller
Best of Zante Boats
Boat Trip to the Keri Caves with Turtle Spotting
Best of Zante Boats
4.8(35)
Starting from: Agios Sostis, Laganas, Kalamaki
3 hours
Free cancellation
Pickup available
4.8(35)
Pickup available
From
10 €
Check availability

Offers available nearby

What customers love about boat trips in Agios Sostis

4.9
152 reviews
Picture of a turtle during the Boat tour to Turtle Island with Turtle spotting with Abba Tours Zante.Abba Tours ZanteGlass-Bottom Boat Trip to Turtle Island with Turtle Spotting
7 Reviews
Jodee · Couple
GRGreece

We were very comfortable and made to feel relaxed. There was no rushing at each stop and I would say for 3 hours, there was ample time to soak up the sites, have a swim stop and even an opportunity to lay on the beach on one of the protected islands. A great way to see the beautiful island just make sure you bring your own snacks, plenty of water, sun cream and towels.

Private Boat Trip to the National Marine Park of Zakynthos from My Local Sea Zakynthos.My Local Sea ZakynthosPrivate Boat Trip to the National Marine Park of Zakynthos
3 Reviews
Christian · Family
DEGermany

The scenery was amazing. We even saw a turtle. The skipper was very experienced and had great control of the boat. Top-notch.

Popular Boat Tour Providers in Agios Sostis

Traventure ZakynthosTraventure Zakynthos
201 Reviews
11 Offers
null-null-hero
Free cancellation for all offers
Mykola · Group of friends
ATAustria

It was very simple and straightforward; you can explore everything and have fun even without a skipper. Booking was flawless, and the instructors were very friendly and helpful.

Best of Zante BoatsBest of Zante Boats
137 Reviews
2 Offers
null-null-hero
Free cancellation for all offers
Instant booking confirmation for all offers
Johanna · Family
GRGreece

Nice boat with spacious benches, which is ideal with small children. Swimming from the boat, both in a bay and at a small beach, was lovely. We actually saw two large turtles as well: one in the harbor (it is being fed, though) and one at sea.

My Tours ZakynthosMy Tours Zakynthos
45 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
Romana · Family
CZCzech Republic

Amazing experience

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
Christian · Couple
DEGermany

The scenery was amazing. We even saw a turtle. The skipper was very experienced and had great control of the boat. Top-notch.

Happy Days ZanteHappy Days Zante
3 Reviews
3 Offers
null-null-hero
Free cancellation for all offers
Instant booking confirmation for all offers
Connie · Family
ATAustria

I highly recommend Happy Days Zante. Great value for money, the company organises to pick you up from a convenient location in a small, clean charter bus. The boat was not over crowded and the sites visited by boat were amazing. This trip didn’t feel overly touristy, perfect for those who want to enjoy the sites without the big crowds. The stop over at the olive tree was also beautiful. We were then taken back to the original pick up spot. Amazing day!

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Picture of a girl swimming next to a trutle during the Boat Trip to the Keri Caves with Turtle Spotting with Best of Zante
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Private Boat Trip to the Keri Caves and the Shipwreck from Traventure Zakynthos.
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