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Discover Zakynthos’ highlights with a private 3-hour boat tour, featuring turtle spotting, Blue Caves, Marathonisi Island, and Mizithres Rocks, ideal for small groups.
Zante Private Boat: Marathonisi, Keri Caves, Mizithres (max5)
Exploring Zakynthos by boat offers an intimate glimpse of its stunning coastlines, caves, and wildlife. This private 3-hour boat tour with your own skipper is tailored for small groups—up to five people—making it a perfect blend of comfort and personalized experience. From turtle sightings to swimming in crystal waters and exploring intricate caves, this tour packs a lot into a short time frame.
What we love most about this experience is the chance to visit exclusive spots only accessible by boat, with a knowledgeable local skipper guiding the way. The flexibility of the itinerary adds to the appeal, allowing you to enjoy each stop at your own pace. A potential drawback? The duration, while ideal for a quick adventure, might leave some wanting more time at each location.
This tour suits travelers seeking an authentic, hands-on experience—families, couples, or friends who enjoy exploring at a relaxed pace while discovering the natural beauty of Zakynthos. If you’re after a private, well-organized trip that combines wildlife spotting with scenic views, this tour is a solid choice.

For a more personal experience, these private Keri tours deliver individual attention
Your adventure begins at Calypso Boat Rentals & Tours in Limni Keri. The local skipper, often Justin or other knowledgeable guides, will greet you warmly. The small, private nature of the tour means you’ll skip the hustle of large crowds and head straight to the action. Expect a friendly, professional vibe, with the boat well-maintained, spotless, and ready to go.
The first stop is near the Cameo Island and Zakynthos’ Marine Park, where you might catch a glimpse of Caretta Caretta Loggerhead Turtles—a real treat for wildlife lovers. Reviewers consistently mention how Justin—the guide praised for his expertise—makes this moment special. As one reviewer put it, “Our dream of snorkeling among a turtle came true.” The activity is optional, but many find it a highlight, especially with a skilled guide who knows where and when to find these gentle creatures.
Next, the boat heads to Marathonisi, also called Turtle Island, named after the nesting sea turtles. Here, you’ll have a 15 to 30-minute swim stop in the calm, clear waters of Marathonisi Beach. The island itself is a tiny paradise with soft sands and no crowds—perfect for relaxing, snorkeling, or snapping photos of the rugged coastlines. Some reviews mention that the boat guides are great at helping you find the best swimming spots, making sure everyone gets a chance to enjoy the water.
From Marathonisi, the journey continues to the Keri Caves. This part of the trip is often described as the “highlight,” thanks to the stunning blue hues reflected in the caves’ waters and the majestic rock formations. Your skipper will navigate through narrow arches, giving you a scenic drive along these natural sculptures. Many reviewers talk about being amazed by the colorful reflections—”the shades of blue were mesmerizing,” one said.
You’ll enjoy a 15 to 30-minute swim here, in waters that are often described as crystal-clear and refreshingly inviting. This spot is a favorite among those who love adventure and natural beauty, with some reviewers noting how close the boat can get into the caves, allowing for spectacular photos.
More ways to experience Keri from the water include these boat tours
The final stop takes you to the Mizithres Rocks, a formation only reachable by boat. Here, you’ll find a small beach and the opportunity to swim or snorkel in waters famed for their turquoise color. The reviewer who called this “blue-water heaven” summed up the sentiment of many—this location feels like a secret just for your small group. The water here is often described as crystal and inviting, perfect for a quick dip before heading back to the harbor.
After your swim at Mizithres, the boat heads back to the starting point, ending your 3-hour adventure. The entire route offers a balanced mix of wildlife, scenic views, and relaxing swimming—each stop designed to maximize your small group’s comfort and enjoyment.

Knowledgeable Guides: The guides, especially Justin, are praised for their local knowledge, friendliness, and ability to bring the boat into narrow caves. This means you’ll not only see the caves’ beauty but also learn interesting facts along the way.
Flexibility: Because it’s a private tour, it can be personalized. The swim stops are flexible, and the timing depends on your preferences or wildlife sightings. This makes the experience feel spontaneous and tailored.
Safety and Comfort: All safety gear, including life vests and snorkeling masks, are included, giving you peace of mind. The boat is well-maintained, and the guides keep safety a priority.
Authentic Experience: The reviews highlight how intimate and genuine this trip feels—away from the crowds, with direct interaction with the skipper who’s eager to share insights about the local environment.
Excellent Value: Despite being a private experience, the cost offers good value considering the exclusivity, personalized service, and the chance to visit hidden gems that larger tours can’t access.


This private boat trip is ideal for travelers seeking an authentic, intimate experience of Zakynthos’ coastlines and wildlife. It’s perfect if you want flexibility and personalized attention, especially for small groups that value comfort over crowds. Families with children, couples celebrating a special occasion, or friends looking for fun and discovery will find this trip highly satisfying.
It also suits those who appreciate expert guides who know the area well and can enhance your experience with local insights. If you’re after stunning views, charming caves, and the thrill of spotting sea turtles in their natural habitat—this tour checks all those boxes.

This private 3-hour boat tour in Zakynthos delivers a well-rounded, intimate adventure that balances scenic beauty, wildlife, and comfort. The experience of seeing loggerhead turtles, exploring stunning caves, and swimming at exclusive spots makes it a standout for small-group travelers looking for a personalized, value-packed outing.
The guides, especially Justin, are praised for their knowledge and friendliness, which adds a layer of authenticity and ease. The stops are carefully chosen to showcase the island’s natural highlights, and the flexible nature of the tour allows you to enjoy each location at your own pace.
While the short duration might leave some wanting more time at each stop, it’s an ideal option for those with limited time who want a high-quality, personalized experience. Whether you’re celebrating, exploring with family, or traveling with friends, this trip provides a memorable way to discover Zakynthos’ stunning coast.
In short, if you’re after a small-group, guided, and customizable boat adventure that combines wildlife, caves, and gorgeous waters, this tour offers excellent value and unforgettable moments.
“An amazing tour and Justin lead us to very beautiful caves and snorkelspot. The Lord of the Ring cave was impressive to see. Our dream came true an…”

How long is the tour?
The tour lasts approximately 3 hours, with starting times available depending on availability. It’s a compact window that offers a full, scenic experience.
Is it suitable for children?
Yes, the tour is designed for small groups and can be suitable for families. Just ensure children are comfortable with boat rides and swimming.
What is included in the price?
All safety gear like life vests and snorkel masks are provided, along with fuel, waterproof phone cases, and entry to all the stops (Marine Park, Marathonisi, Keri Caves, Mizithres).
Can I customize the stops?
Since it’s a private tour, the itinerary can be personalized. The guide will tailor the stops based on your preferences and the time needed for turtle spotting.
What should I bring?
Bring swimwear, a towel, sunscreen, water, and a camera. A waterproof phone case is provided, but additional waterproof containers can be helpful.
Is this tour weather-dependent?
Yes, boat trips are weather-sensitive. It’s best to check weather conditions before booking, and cancellations are possible if conditions are unsafe—full refunds are available if canceled 24 hours in advance.
This private boat tour in Zakynthos offers a balanced mix of adventure, relaxation, and natural beauty, making it a top pick for small groups seeking an authentic island experience.