If you’re planning a trip to Zakynthos and love the idea of seeing its best sights from the water, a small boat tour to Keri Mizithres and Marathonisi might just be one of your highlights. While I haven’t personally taken this exact tour, the reviews and details available paint a pretty clear picture of what you can expect — and it’s impressive.
What caught my eye right away is how highly rated this experience is, with a perfect 5-star rating from all 11 reviews and a 100% recommendation rate. That’s no small feat in the travel world. The things I really like about this trip? First, how it offers a chance to explore some of Zakynthos’ most iconic spots — the caves of Keri, the twin rocks of Mizithres, and Turtle Island — all in a manageable half-day. Second, the focus on natural beauty and wildlife, especially the chance to see Caretta-Caretta turtles swimming close to your boat.
That said, there are a couple of things to keep in mind. The tour lasts about 5 and a half hours in total, which includes transportation, so it’s not a quick hop. Also, there are no restroom facilities on the port or boat, and drinks are not included, so you’ll want to come prepared. This tour seems best suited for travelers who enjoy scenic boat rides, love discovering lesser-known spots, and aren’t fussed about bringing their own refreshments or dealing with a small group.
If you like the sound of all that, keep reading. We’ll cover everything — from the itinerary and what makes each stop special, to what the reviews reveal about the experience, and practical tips you’ll want to know before booking.
Key Points

- Small-group experience: With a maximum of 12 travelers, you get a more intimate feel, less crowded, more personalized attention.
- Stunning scenery and wildlife: The boat cruise covers the Keri Caves and Mizithres, with a good chance to see turtles in their natural environment.
- Delicious local lunch: A hearty meal at a traditional tavern near the harbor adds a nice touch to the day.
- Expert guides: Tour guides speak English and French, sharing insights about the sights, which enhances the experience.
- Good value for the price: At about $107.58 per person, including transport, lunch, and guided commentary, it’s a comprehensive outing.
- No facilities or drinks on site: Bring water, snacks, and be prepared for a lack of restrooms at the port.
The Itinerary: What You Can Expect

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Pickup and Departure
The tour kicks off with a convenient pickup from your accommodation or the nearest meeting point, in an air-conditioned vehicle. From there, you’ll head to Agios Sostis port, which is where the boat adventure begins. This setup is great — it takes away the hassle of figuring out transport on your own and sets a relaxed tone for the day.
The Keri Caves
The first stop features the Keri Caves, a highlight for many travelers. During the roughly three-hour cruise, you’ll glide past these impressive limestone formations, carved out by nature over thousands of years. The caves are a classic stop on Zakynthos boat trips, and their rugged beauty makes for fantastic photos. As one reviewer mentioned, the crew’s commentary and the chance to swim close to the caves really elevate this part of the trip.
Mizithres and the Twin Rocks
Next up is Mizithres, often called the “twin rocks.” These striking rock formations jut out from the sea and are a favorite for photos. The boat passes by here, giving you close-up views of these natural sculptures. One reviewer described it as “beautiful” and “the caves of Turtle Island” as well, which hints at how picturesque and memorable this stretch is. The boat’s relaxed pace allows you to take in the views and snap plenty of pictures.
Marathonisi (Turtle Island)
Finally, you’ll be cruising around Marathonisi, commonly called Turtle Island. This spot is known for its pristine beaches and the chance to see Caretta-Caretta turtles swimming nearby, especially if you’re lucky. Several reviews emphasize how special it was to see the turtles up close — a real highlight of many trips. The boat usually stops here for swimming and snorkeling, so you can cool off and enjoy the turquoise waters.
Lunch and Return
After the cruise, you’ll head to a traditional tavern near the harbor for a local-style lunch. From the reviews, this meal is often highlighted as very tasty, with authentic Greek dishes that round off the day nicely. The return journey is by bus, and the overall experience wraps up around 3:30-4:00 pm, providing plenty of time to relax afterward.
What Makes This Tour Stand Out
Personalized and Guided Experience
The inclusion of a tour guide who speaks English and French makes a big difference. They share interesting facts about the caves, the turtles, and the local environment, enriching the trip beyond just scenery. Several reviewers point out how knowledgeable and friendly the guides are, making the experience both educational and enjoyable.
The Wildlife Encounter
Seeing Caretta-Caretta turtles swim alongside the boat is a memorable highlight. Many travelers comment on how they “had an amazing time” and “saw the turtles,” which seems to be a common thread. It’s not guaranteed, but with some luck, you’ll share the water with these impressive creatures.
The Food and Atmosphere
The lunch at the tavern receives consistent praise. It appears to be a good-quality, authentic Greek meal that provides a relaxing break after the boat ride. The combination of scenic views, wildlife, and local cuisine creates a well-rounded experience.
The Price and Duration
At just over $100 per person, including pickup, guide, boat, and lunch, this tour offers good value. It’s a manageable half-day trip, giving you plenty of time to explore other parts of Zakynthos afterward. The duration, about 5.5 hours, strikes a balance between seeing many sights without feeling rushed.
Practical Considerations and Downsides

No Restroom Facilities or Drinks
One consistent point from reviews is the lack of restroom facilities at the port and on the boat. Since you’ll be out on the water for several hours, plan to go beforehand. Also, drinks are not included, so bringing water and snacks is highly recommended. This is especially important if you’re sensitive to dehydration or have kids with you.
Small Group Size
While the small group enhances intimacy, it also means limited space on the boat and fewer options if you prefer a more commercialized, larger tour. If you’re looking for a very lively or social experience, this might be a consideration.
Weather Dependency
Like any outdoor activity, this tour is weather-sensitive. If the weather turns poor, the trip might be canceled or rescheduled, with options for a full refund or a different date.
Who Would Love This Tour?

This experience is perfect for travelers who want to see Zakynthos’ most iconic natural sights without the hassle of organizing multiple stops or large group tours. It’s suited to those who enjoy scenic boat rides, wildlife encounters, and authentic local food. If you’re traveling with a partner, friends, or solo and prefer a quiet, intimate adventure, this is a good pick.
It’s less ideal if you require restrooms or are very sensitive to sea sickness — though the boat’s size and the guided nature help mitigate some concerns. Also, if you’re eager to explore inland attractions or nightlife, this tour focuses on coastal scenery and is best as part of a broader itinerary.
The Sum Up

All in all, this Zakynthos small boat tour offers a well-rounded, enjoyable experience that balances scenic beauty, wildlife viewing, and local cuisine. The consistent praise from travelers for the knowledgeable guides, beautiful vistas, and the chance to see turtles swimming nearby makes it stand out. At a reasonable price, it’s a solid choice for those seeking a memorable half-day adventure on the water.
If you’re after a relaxed way to discover Zakynthos’ coastlines and natural wonders, without the fuss of big crowds or complicated logistics, this tour is definitely worth considering. Just remember to bring some water, plan for no restroom facilities, and keep your camera handy — those views are hard to beat.
Zakynthos Small Boat Tour to Keri Mizithres and Marathonisi
“Best experience this trip”
FAQ

Is transportation included?
Yes, the tour provides pickup from your accommodation or a nearby meeting point in an air-conditioned vehicle, making it easy to start the day stress-free.
How long does the tour last?
The entire experience takes about 5 hours and 30 minutes, including transportation, the boat cruise, and lunch.
What’s included in the price?
You get the boat trip, a guided tour in English and French, transportation to and from the port, and a traditional lunch at a local tavern.
Are drinks and snacks included?
No, drinks are not included. There are no facilities or options to buy drinks at the port or on the boat, so bring your own water and snacks.
Can I see turtles on this tour?
While sightings are not guaranteed, many travelers have had the luck to see Caretta-Caretta turtles swimming close to the boat, which is often a highlight.
Is it suitable for children?
The tour is generally suitable for most travelers, but keep in mind there are no restrooms on the boat or port, and the trip involves some time on the water.
What should I bring?
Bring sunscreen, water, snacks, and swimwear if you want to swim or snorkel. Remember, there are no restroom facilities, so plan accordingly.
In summary, this Zakynthos boat tour offers a peaceful, scenic way to explore some of the island’s most stunning coastlines, natural formations, and wildlife. With attentive guides and a charming local lunch, it’s a memorable way to enjoy the Ionian Sea — especially if you’re looking for a smaller, more personal experience.


