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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 Agios Sostis to Turtle Island (Marathonisi)

18 Offers with the Best Prices 2026 - CheckYeti
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Activity
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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
4.8(43)
Starting from: Agios Sostis
3 hours
Free cancellation
Hotel pickup available
4.8(43)
Hotel pickup available
From
25 €
Check availability
Boat Trip to Mizithres & Turtle Island with Turtle Spotting from Traventure Zakynthos.
Bestseller
Traventure Zakynthos
Boat Trip to Mizithres & Turtle Island with Turtle Spotting
Traventure Zakynthos
4.8(30)
Starting from: Agios Sostis
4 hours
Free cancellation
Hotel pickup available
4.8(30)
Hotel 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(21)
Starting from: Agios Sostis
3 - 5 hours
Free cancellation
Hotel pickup available
5.0(21)
Hotel 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(9)
Starting from: Agios Sostis
3 hours
Free cancellation
5.0(9)
From
18 €
Check availability
Taxi Boat to Turtle Island from Agios Sostis from Traventure Zakynthos.
Bestseller
Traventure Zakynthos
Taxi Boat to Turtle Island from Agios Sostis
Traventure Zakynthos
4.9(16)
Starting from: Agios Sostis
15 minutes
Free cancellation
Hotel pickup available
4.9(16)
Hotel pickup available
From
10 €
Check availability
Turtle Spotting Boat Trip from Agios Sostis to Turtle Island from Traventure Zakynthos.
Bestseller
Traventure Zakynthos
Turtle Spotting Boat Trip from Agios Sostis to Turtle Island
Traventure Zakynthos
4.8(10)
Starting from: Agios Sostis
1 hour
Free cancellation
Hotel pickup available
4.8(10)
Hotel pickup available
From
20 €
Check availability
A view of Navagio Shipwreck Beach, where My Tours stops for swimming during the boat tour around Zakynthos.My Tours Zakynthos
Boat Trip around Zakynthos to Shipwreck & Turtle Island with Swimming
My Tours Zakynthos
4.8(11)
Starting from: Zante Town
8 hours
Free cancellation
4.8(11)
From
24 €
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 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
Hotel pickup available
5.0(1)
Hotel 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 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 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
Hotel pickup available
Hotel 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 ZanteBest of Zante Boats
Boat Trip to the Keri Caves with Turtle Spotting
Best of Zante Boats
4.8(30)
Starting from: Agios Sostis, Laganas, Kalamaki
3 hours
Free cancellation
Hotel pickup available
4.8(30)
Hotel pickup available
From
10 €
Check availability
Boat Rental in Agios Sostis (up to 5 people) - Beginner (25-30 HP).
Bestseller
Traventure Zakynthos
Boat Rental in Agios Sostis (up to 5 people) - Beginner (25-30 HP)
Traventure Zakynthos
4.8(29)
Agios Sostis1 - 4 hoursNo licence needed
Free cancellation
Hotel pickup available
4.8(29)
Hotel pickup available
From
80 €
Check availability
Boat Rental in Agios Sostis (up to 6 people) - Advanced (30-40 HP) from Traventure Zakynthos.
Bestseller
Traventure Zakynthos
Boat Rental in Agios Sostis (up to 6 people) - Advanced (30-40 HP)
Traventure Zakynthos
4.9(10)
Agios Sostis1 - 4 hoursNo licence needed
Free cancellation
Hotel pickup available
4.9(10)
Hotel pickup available
From
90 €
Check availability
Showing 1 - 16 out of 18 offers

What customers love about boat trips in Agios Sostis

4.9
214 reviews
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
Sylvia Schmidt · FamilyDKDenmark

Super experience and a fantastic captain.

Private Boat Trip to Turtle Island and the Mizithres Rocks from Traventure Zakynthos.Traventure ZakynthosPrivate Boat Trip to Turtle Island and the Mizithres Rocks
21 Reviews
Volkan · FamilyNLNetherlands

Great boat trip! The Mizithres Rocks are a must-see if you visit Zakynthos!

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 · FamilyDEGermany

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

Nice trip beautiful nature

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
Alexander · CoupleATAustria

Captain Alexandros was a fantastic and very entertaining tour guide. This tour far exceeded our expectations. We were very surprised that no one else gave the crew any tips...

My Tours ZakynthosMy Tours Zakynthos
34 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
Con · CoupleAUAustralia

We absolutely loved it It was one of our highlights of our holidays in Zakynthos Swimming in crystal clear waters in caves Absolutely stunning and marathonisi Island just gorgeous

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
Marianne · CoupleGRGreece

Everything went perfectly! It was a lovely tour.

Happy Days ZanteHappy Days Zante
3 Reviews
3 Offers
null-null-hero
Free cancellation for all offers
Instant booking confirmation for all offers
Chris · FamilyGBUnited Kingdom

A great trip, small group, excellent driver.

Adonis Boat Rentals ZakynthosAdonis Boat Rentals Zakynthos
7 Offers
Adonis boat rental Zakynthos on Greece's turquoise sea.
Free cancellation for all offers
Instant booking confirmation for all offers

Trending boat trips in Agios Sostis

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
Bestseller
Free cancellation
From25 €
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
Bestseller
Free cancellation
From10 €
Turtle Spotting Boat Trip from Agios Sostis to Turtle Island from Traventure Zakynthos.Traventure ZakynthosTurtle Spotting Boat Trip from Agios Sostis to Turtle Island
Bestseller
Free cancellation
From20 €

Agios Sostis: Similar activities

A view of Navagio Shipwreck Beach, where My Tours stops for swimming during the boat tour around Zakynthos.
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Boat Trip with Turtle Spotting in Laganas Bay from Agios Sostis from Traventure Zakynthos.
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Half-Day Trips Agios Sostis

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