Skip to main content
Easy cancellation
16,000 activities in 35 countries
2 million+ happy customers
DestinationsGift vouchersBlog
Several boats visiting a cave at the shore during a boat trip.
Compare offersBest pricesEasy booking
GRGreeceZakynthos (Zante)Keri

Caves Boat Trips Marathonisi (Turtle Island)

10 Offers with the Best Prices 2026
Sort by:
Popular Options
Locations
Activity
Categories
Included services
Ideal for
Languages
Duration
Popular Options
Locations
Activity
Categories
Included services
Ideal for
Languages
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
4.8(32)
Starting from: Agios Sostis, Laganas, Kalamaki
3 hours
Free cancellation
Pickup available
4.8(32)
Pickup available
From
10 €
Check availability
Boat Trip from Agios Sostis to the Keri Caves & Turtle Island from Traventure Zakynthos.
Just booked
Traventure Zakynthos
Boat Trip from Agios Sostis to the Keri Caves & Turtle Island
Traventure Zakynthos
4.9(47)
Starting from: Agios Sostis
3 hours
Free cancellation
Pickup available
4.9(47)
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, Kalamaki, Agios Sostis
5 hours
Free cancellation
Pickup available
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(4)
Starting from: Argasi
3 hours
5.0(4)
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
4.7(3)
Starting from: Argasi
3 hours
4.7(3)
From
30 €
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
Pickup available
5.0(1)
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
330 €
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 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 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
Full Glass Bottom Boat Trip to Marathonisi Caves with Turtle Spotting from Rent All Mania Zante.Rent All Mania Zante
Currently not availableFull Glass Bottom Boat Trip to Marathonisi Caves with Turtle Spotting
Rent All Mania Zante
Starting from: Keri
3 hours
Free cancellation
Pickup available
Pickup available
View details

Offers available nearby

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

4.9
88 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
47 Reviews
Valeria ITItaly

beautiful excursion, excellent organization, we booked at the last minute the night before and they managed to find a solution that could accommodate us very quickly

Boat Rental in Agios Sostis (up to 5 people) - Beginner (25-30 HP).Traventure ZakynthosBoat Rental in Agios Sostis (up to 5 people) - Beginner (25-30 HP)
31 Reviews
Mike · FamilyGRGreece

Excellent service and boat, beautiful location and great family fun. Made our holiday.

Taxi Boat to Turtle Island from Agios Sostis from Traventure Zakynthos.Traventure ZakynthosTaxi Boat to Turtle Island from Agios Sostis
19 Reviews
Viktória · Solo travelerSKSlovakia

Amazing 🥰

Popular Boat Tour Providers in Marathonisi (Turtle Island)

Traventure ZakynthosTraventure Zakynthos
194 Reviews
11 Offers
null-null-hero
Free cancellation for all offers
Sylvia · FamilyGRGreece

Small boat, plenty of time to swim, and the skipper did his best to locate the turtles for us.

Best of Zante BoatsBest of Zante Boats
134 Reviews
2 Offers
null-null-hero
Free cancellation for all offers
Instant booking confirmation for all offers
Aneta · FamilyGBUnited Kingdom

Amazing experience recommended . Very professional go for it

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
Marco · CoupleITItaly

They are punctual, kind and super nice!!!

Michael Travel ZakynthosMichael Travel Zakynthos
9 Reviews
5 Offers
Picture of tour in Zakynthos by Michael Travel Zakynthos.
Leida · FamilyNLNetherlands

Nice trip. Saw turtles

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

Friendly and helpful staff. Great condition of the boot. Fair price

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.

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

Private Boat Trip to Turtle Island and the Mizithres Rocks from Traventure Zakynthos.
Half-Day Trips Marathonisi (Turtle Island)

14 offers

Private Boat Trip from Alikanas to Marathonisi & Porto Zorro Beach from Adonis Boat Rentals Zakynthos.
Day Trips Marathonisi (Turtle Island)

13 offers

Bird's-eye view of the motorboat used in the private boat trip around Zakynthos with turtle spotting with Serene Private Cruises.
Boat Trips with Snorkeling Marathonisi (Turtle Island)

12 offers

Turtle spotted during the RIB Boat Trip to Marathonisi and Keri Caves with Turtle Spotting from Explore Zakynthos.
Sunset Boat Trips Marathonisi (Turtle Island)

3 offers

Private Boat Trip to the Keri Caves and the Shipwreck from Traventure Zakynthos.
Marathonisi (Turtle Island): Boat Trips to Shipwreck Beach

3 offers

You want to book one of our activities? We are here to help you!
Laura_checkyeti_Contact
PauliTalk to our Boat Tour Expert
We'll only use the provided contact information to follow up, in line with our privacy policy.

Discover more with checkyeti

Boat Trip from Hvar to Blue Cave and Green Cave from Hvar Boats.
Boat Trips Pakleni Islands

40 offers

The boat of Morgana Sailing Leuca is navigating during the Sunset Sailing Trip from Santa Maria di Leuca with Apéritif and Swimming Stop.
Boat Trips for Families with Babies Santa Maria di Leuca

21 offers

People on a boat during Private Boat Trip to Cinque Terre and Bay of Poets with Aphrodite 5 Terre Boat tours.
Boat Trips from La Spezia to Monterosso al Mare

13 offers

Participants canoeing down the Cabriel River in an activity provided by Cabriel Roc.
Kayak & Canoe Provincia de Valencia

12 offers

Private Boat Trip to the Stair of the Turks & to the Punta Bianca Nature Reserve from Forte Mare Agrigento.
Half-Day Trips Agrigento

12 offers

A boat is sailing on the crystal clear water while Private Boat Trip to Comino Island & Saint Mary´s Tower with Snorkeling organized by Aloha Boat Charters Malta.
Half-Day Trips Gozo

9 offers

Catamaran Trip around Mirabello Gulf & Spinalonga with Lunch from Cretan Sailing Cruises Lasithi.
Beach Boat Trips Spinalonga

5 offers

RIB Boat Rental in Giardini Naxos (up to 6 people) from Portum Giardini Naxos.
Boat Rental with Skipper Taormina

4 offers

The boat stops on a cliff during the Private Boat Trip with Dolphin Watching to Kamenjak National Park with Lunch organized by Tajana & Zlatni Rat Excursions Medulin.
Private Boat Tours Cave Golumbera

4 offers

Catamaran on the water, with the sunset in the back.
Boat Trips with Aperitif Perissa

4 offers

More on checkyeti

Boat Trips from Manacor & East Coast to Cala MillorDay Boat Trips at Sunset StromboliBoat Trips from Arzon to Gulf of MorbihanSollér & North of Mallorca, Mallorca (Majorca), Balearic Islands, SpainBanana Boats, Flyfish and more Villeneuve-LoubetBoat Trips to Natural Parks VirpazarBoat Trips with Snorkeling Rethymnon BeachQuads, ATV & Buggies Mgarr (Gozo)Boat Trips Via dell'AmoreKayak & Canoe Sassari - North SardiniaKayak Caves Tours Sassari - North SardiniaPADI courses & scuba diving Lia Beach
Customer reviews
checkyeti.com
4.5
3291 Reviews on
4.4 Excellent | 1781 reviews
As seen on:ForbesThe TelegraphemerceFazSport ActivFit for FunBlick CH
Company
About
NewsletterPress kit
Providers
Provider loginWork with us
Support
Help Center
Privacy
TermsPrivacy policyAccessibility
Secure payment
Carte Bleue logoBancontact logo
© checkyeti 2026 · ImprintMade in Austria, Switzerland & France
Official partnerAtomic
Connect with us