Glass Bottom Boat Tour Zakynthos: See Caretta Turtles Up Close

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Free cancellationTravelers' pick

1/11

Duration3h 30m

GroupUp to 40

LanguagesEN

PickupAt your hotel

Watch loggerhead turtles swim below the glass floor, then dive into caves and nesting beaches

A 3-hour glass bottom boat tour in Zakynthos's National Marine Park lets you photograph loggerhead sea turtles from directly above as they swim in open water. The route includes a photo stop at Cameo islet (formed by the 1633 earthquakes), a swim in the crystal-clear waters around Keri Caves and their rock arches, and a final stop at Marathonisi—the turtle-shaped island where you can swim at the Golden Nesting Beach and explore sea caves from inside. Door-to-door pickup and an English-speaking guide are included; the boat is small and eco-friendly.

3h 30m

Step-by-step itinerary

Zakynthos Turtle Trip and Marine Park

Door to door pick up
Photostop at Cameo islet
Cruise around National Marine Park
Take photos of turtles swimming
Explore Keri Caves and swim
Swim at Marathonisi turtle-shaped island
See caves of Marathonisi from inside
Door to door drop off

The Experience

The glass bottom boat is the whole point here. Instead of snorkeling or peering over the rail, you sit inside the hull where the turtles pass underneath you—close enough for photos the operator guarantees you'll get. The National Marine Park is where loggerhead sea turtles (Caretta Caretta) actually live and feed, so you're watching them in their habitat, not in a tank. The boat is small and designed for this, which is why the viewing works.

The route strings together four stops that would take a full day to reach on foot. Cameo islet sits where earthquakes cracked the coastline in 1633; you'll see the wooden bridge the boat departs from and get a photo stop there. From there, the boat cruises to Keri Caves, where you pass under the natural rock arches called "Kamares" and swim in water so clear you can see the bottom. Marathonisi comes last—a small island shaped like a turtle, with a beach where loggerhead turtles actually nest. You can swim there and explore the sea caves carved into the rock from the inside.

Pickup happens at your door and the driver speaks English. The whole outing runs 3.5 hours, which is long enough to hit all four stops without feeling rushed but short enough to fit into a morning or afternoon. The vehicle is air-conditioned for the drive to the boat, and the boat itself is built for the work—small enough to get close to the turtles and stable enough that photos from inside the glass actually come out sharp.

What’s included

Door-to-door pickup and drop-off in an air-conditioned vehicle.
English-speaking guide.
all fees and taxes.
access to the glass bottom boat in the National Marine Park.
photo stops at Cameo islet and Marathonisi island.
swim stops at Keri Caves and Marathonisi beach.

Good to know

Easy physical levelStroller friendlyPublic transport nearbyInfants must sit on laps

Operated by Best of Zante

Is this one for you?Book this tour if you're traveling with a small group or family and want guaranteed close-up views of sea turtles without needing to snorkel or dive—the glass bottom boat does the work, and the 3.5-hour loop hits four different stops so the day doesn't feel thin.