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Turtle Island guides

Everything to sort out before you book a turtle trip on Zakynthos: where the turtles really are, the best months and hours, which boat, the swimming rules, Marathonisi itself and how Zakynthos compares with other Greek islands.

Where to See Turtles in Zakynthos 2026: Bay, Beaches, BoatsThe bay, the beaches and the boats, and which one really works.Read the guide →Best Time to See Turtles in Zakynthos 2026: Month by MonthMonths, hours and hatchlings: when the bay is busiest with turtles.Read the guide →Zakynthos Turtle Boat Trips Compared 2026: Which to BookGlass-bottom, speedboat or your own boat: what each trip gives you.Read the guide →Can You Swim With Turtles in Zakynthos? 2026 Rules & SwimsWhat to do when a turtle surfaces near you, and where to swim instead.Read the guide →Marathonisi (Turtle Island) Zakynthos 2026: Visitor GuideThe islet, its nesting beach, the rules and how long you get there.Read the guide →Best Greek Island for Turtles 2026: Zakynthos vs the RestZakynthos, Kefalonia, Crete and beyond: where turtles are easiest to see.Read the guide →

Tours

Choose your turtle trip

The three trips most people choose between. Every tour has its own page with the route, the stops and what guests say.

Glass-Bottom Boat to Turtle Island & Keri Caves Families ★ 4.43 to 3.5 hoursFree cancellation

Glass-Bottom Boat to Turtle Island & Keri Caves
Glass bottom1 h on the islandPickup

A slower boat with a glass floor, so the kids see the seabed even when no turtle shows. The longest beach stop: an hour on Marathonisi, plus Cameo and the caves.

What's included
  • Glass-bottom boat through the marine park
  • One hour on the Marathonisi beach
  • Cameo Islet photo stop and a swim at Keri
  • Pickup within 10 km of Agios Sostis
  • Free cancellation up to 24 hours before
Full tour details
From$29per person Reserve
Turtles, Marathonisi & Keri Caves by Speedboat Most booked ★ 4.63 hoursFree cancellation

Turtles, Marathonisi & Keri Caves by Speedboat
SpeedboatSwim stopsPickup

A fast boat through the marine park to look for loggerheads, then swims at the Keri Caves and on Marathonisi. Hotel pickup is included, and the 6 pm departure adds the sunset.

What's included
  • Turtle spotting in the National Marine Park
  • Swims at Keri Caves and on Marathonisi
  • Hotel pickup and drop-off
  • Food and drinks on board
  • Free cancellation up to 24 hours before
Full tour details
From$32per person Reserve
Self-Drive Boat Hire, No Licence Needed Private boat ★ 4.83 or 4 hoursFree cancellation

Self-Drive Boat Hire, No Licence Needed
Up to 4 peopleNo licenceFuel extra

Your own small motorboat for three or four hours, after a briefing on the park rules. Swim where you like; fuel, about 30 to 40 euros, is paid at the dock.

What's included
  • Private boat for up to 4 (3 hours) or 6 (4 hours)
  • Safety and navigation briefing and a test drive
  • Canopy, cool box and Bluetooth speaker
  • Fuel is extra, paid locally
  • Free cancellation up to 24 hours before
Full tour details
From$144per group Reserve

Plan your date before you go

Three hours by speedboat through the marine park: turtle spotting, a swim at the Keri Caves and on Marathonisi, hotel pickup included.

Check dates for the turtle speedboat tour