Keri is a standout spot in Zakynthos for boat-loving travelers. Its dramatic coastline, famous Keri Caves, and Mizithres Rocks make boat tours enjoyable even for those who prefer a relaxed adventure. Whether you’re eager to spot turtles in their natural habitat, explore hidden caves, or catch a breathtaking sunset, Keri’s boat tours deliver authentic Ionian Sea experiences. We especially love the private boat tours, like the ones with your own skipper, which give you personalized time at each stop and a sense of true discovery—imagine cruising past towering cliffs or swimming in crystal waters with just your group.
If you’re uncertain what type of boat trip suits your style, we’ve included a range of options below. From quick half-day jaunts to full-day pirate adventures, there’s something for all, whether you’re traveling with family, friends, or a romantic partner. For those looking for a small, intimate group, tours like the Keri Caves, Mizithres, and Eros Cave or the Sunset Cruise are perfect. For a full-day adventure, the Full-Day Pirate Ship offers a fun, active experience exploring the island’s most iconic spots.
1. Zante Private Boat: Marathonisi, Keri Caves, Mizitres
Starting with a 3-hour private trip, this tour is tailored for intimate groups of up to five people. Your own skipper will lead you past Turtle Island (Marathonisi), where you might see Caretta Caretta turtles in the wild—something truly special. You’ll explore the famous Keri Blue Caves, marveling at their striking shades of blue, and then swim in the clear waters at Mizithres Rocks. Many visitors rave about how personal and flexible this trip feels, allowing plenty of time for swimming, snorkeling, and relaxing on secluded beaches. The guide’s local knowledge ensures you visit the best spots without the crowds, making this a top choice for privacy and comfort.
Guests consistently praise the professionalism and friendliness of the skipper. One reviewer said, “Our dream came true snorkeling among a turtle,” highlighting how personalized this trip feels. The three-hour duration strikes a perfect balance—long enough to see everything without feeling rushed. This tour is ideal for anyone wanting a private, immersive experience with excellent value for money.
Bottom line: For those seeking a private, flexible, and intimate boat tour, this is a fantastic choice. It’s perfect for couples or small groups wanting to explore Zakynthos’ jewel-like caves and beaches comfortably.
2. Zante Private Boat: Keri Caves, Mizithres, Eros Cave
A step up in length and exploration, this 4-hour private tour is designed for up to five people seeking an in-depth experience of Zakynthos’ scenic southern coast. The tour covers the Keri Caves, Mizithres, and the enchanting Eros Cave of Love—each offering unique photo opportunities and snorkeling spots. The local skipper navigates narrow caves and secret passages, often bringing guests close to the turtles if they’re around.
Guests mention that this tour provides a “hidden gems” experience, with plenty of time for swimming and relaxing on white sand beaches. The combination of exploration and personalization makes it a favorite for small groups looking for a relaxed but comprehensive day on the water. The reviews emphasize the friendly, knowledgeable guide and the calm, scenic cruising.
Best suited for: Small groups wanting a deeper dive into Zakynthos’ less touristy caves and beaches, with plenty of swimming time and a personalized touch.
Bottom line: This tour is a perfect choice if you want to cover multiple caves and spots with ample swimming while enjoying the company of a friendly skipper.
3. Zakynthos: Sunset Cruise to Mizithres and Agalas Cave
For a romantic or peaceful end to your day, this 4-hour sunset cruise offers a chance to witness Zakynthos’ coastline as it turns to gold. It includes visits to Marathonisi, Keri Caves, and the stunning Mizithres, with opportunities for swimming and photo stops. The highlight is watching the sun sink behind the Mizithres Rocks, an unforgettable moment. The tour promises wine and transport included, making it ideal for couples or small groups looking for a relaxed, intimate experience.
Reviews note how the “sunset views are truly incredible” and that the guide respects turtle zones, ensuring the environment is preserved. The cruise offers a perfect blend of scenic beauty, quiet contemplation, and gentle swimming, all in a manageable 4-hour window.
Bottom line: This tour suits couples or small groups wanting a serene, scenic experience with the magic of Zakynthos’ sunset as a backdrop.
4. Zakynthos Private Sunset Boat: Keri Caves & Mizithres
A shorter, 2-hour exclusive experience, this private sunset cruise is perfect if you’re limited on time but still want to savor Zakynthos’ beauty. Departing from Keri Beach, you’ll cruise past the Keri Caves, enjoy a swim, and marvel at the changing colors of Mizithres Rocks as the sun sets. Your skipper will tailor the experience, making it ideal for couples, romantic celebrations, or small groups keen on an intimate, personalized outing.
Reviews highlight the “incredible sunset” and the skipper’s attentiveness. Guests appreciate how this tour respects the environment, especially around turtle zones, and provides a peaceful, scenic escape. The focus on a quiet, private experience makes it well worth the slightly higher price for many.
Bottom line: Choose this tour if you want a brief but memorable sunset journey with a private guide, perfect for a romantic evening.
5. Zakynthos Main Port: Full-Day Cruise by Unique Pirate Ship
For those who want to see Zakynthos in a lively, fun-filled way, this 8-hour pirate-themed cruise offers a full day of exploration. Departing from the main port, it includes visits to Shipwreck Beach, Blue Caves, and Smuggler’s Wreck, with two swim stops for snorkeling and relaxing. This ship provides a lively atmosphere, with a crew that keeps the energy high and the environment family-friendly.
Passengers enjoy the history and scenic views, with some reviews calling it “organized and punctual.” The long duration allows time for multiple stops, sunbathing, and socializing onboard. It’s an excellent choice for travelers who want a structured day of adventure and sightseeing with the chance to meet other visitors.
Bottom line: Best suited for travelers wanting a lively, social atmosphere and a comprehensive look at Zakynthos’ top sights in one day.
6. Zakynthos: Daily cruise around the island
This 7-hour VIP cruise offers a balanced mix of sightseeing and swimming, with stops at Navagio Shipwreck, Makri Gialo Bay, and Keri Caves. It’s a straightforward, reliable option for travelers who want to see the island’s highlights without the fuss of a full-day adventure. The boat is a comfortable cruise vessel, and the flexible schedule means you can adapt your day.
One review calls the crew “knowledgeable and organized,” making it a smooth experience. The highlight is the Shipwreck Beach, which is a must-see. The tour is a good value at around $53 per person and offers enough time at each stop to relax or explore.
Bottom line: Perfect for travelers who want a confident, well-organized trip that hits Zakynthos’ most famous sights.
7. Glass Boat Cruises to Spot Turtles
Taking a closer look at the waters, this 3-hour glass-bottom tour is ideal for seeing sea turtles and the underwater world without getting wet. The tour uses a specially designed vessel with clear panels beneath, allowing you to view marine life as it swims beneath. It departs from various pickup points, giving flexibility for your schedule.
The highlight is the chance to see Caretta Caretta turtles swimming in their natural habitat—an experience that feels as magical as it sounds. The captain’s 25 years of experience enhances this tour, ensuring safe and engaging wildlife viewing.
Reviewers love that they saw a turtle close to the boat, making it a memorable experience. It’s perfect for families or anyone curious about marine life, seeking a comfortable, eco-friendly outing.
Bottom line: This tour is ideal for wildlife lovers wanting an easy, accessible, and educational experience.
8. Luxury Yacht | Zakynthos | 39ft Cranchi | Private for 9 People
For those seeking the ultimate indulgence, this luxury yacht offers a private, customizable tour around Zakynthos. With a 39-foot Cranchi yacht, it comfortably seats up to nine guests, making it perfect for special occasions or families wanting exclusivity. You can choose your itinerary, with options to swim in secluded coves, explore tiny islets, or simply relax and enjoy the coastline.
Guests mention the high-end facilities and the flexibility to tailor the trip. You can bring onboard a lunch or drinks, making it a luxurious, private experience. The boat’s stability and comfort are ideal for travelers who want to avoid crowded boats and have complete control over their day.
Bottom line: If privacy, comfort, and customization matter most, this yacht offers a top-tier experience suitable for celebrating special moments.
9. Unique Cruise to Shipwreck Beach and Local Blue Caves
This 5-hour cruise departs from Laganas and covers all the major sights, including the famous Shipwreck Beach, Blue Caves, and Dolphin Blue Cave. The tour includes swimming stops at Schiza Beach and Porto Stenitis, with plenty of time to photograph and relax. Its route is carefully curated for maximum scenic impact.
The small group size and knowledgeable crew lend an intimate, personalized vibe. The itinerary includes passing by notable landmarks like Poseidon Face, and the stops are timed to give a good balance of sightseeing and relaxing. Reviewers appreciate the “beautiful places” and safe, friendly crew.
Bottom line: Perfect for travelers who want a comprehensive, scenic day with opportunities for swimming and lots of photo ops.
10. Zakynthos: 24ft Cranchi Private Cruise for 5 People
This half-day private yacht is designed for small groups wanting a personalized experience. It offers a flexible schedule with stops at Oasis Beach, Keri Caves, and Myzithres, all driven by your choice of itinerary. The boat comfortably fits five people, making it perfect for families or couples.
Guests praise the friendly skipper and the chance to explore Zakynthos at your own pace. The boat’s size offers intimacy and the ability to access smaller coves that larger boats can’t reach. Whether you want to snorkel near the caves or simply relax on deck, this tour provides a private sense of discovery.
Bottom line: Ideal for small groups seeking a tailored, flexible boat trip with a personal guide.
11. Zakynthos: Private Boat Tour – South Coast & Swim Stops
This 3-hour private speedboat offers a quick but thorough exploration of Zakynthos’ south coast. It features customized stops at Keri Caves, Myzithres, and Marathonisi, with plenty of time for swimming and snorkeling. The tour includes fuel, so there are no hidden costs, and you get the flexibility to choose your favorite spots.
Reviewers love the personalized itinerary and the local skipper’s secret tips on the best swimming holes. It’s perfect for those short on time but wanting a customized experience with the ability to adapt the route.
Bottom line: Great for small groups or couples who want a flexible, private trip focused on swimming and exploring Zakynthos’ coastline.
12. Zakynthos: Private Cruise to Shipwreck Beach
For travelers seeking exclusivity, this private 6-hour cruise takes you directly to the world-famous Shipwreck Beach and other scenic spots like Eros Cave and Schiza Beach. Up to 8 people can enjoy this tailored experience, which includes stops for swimming, snorkeling, and photo ops along the coast.
The itinerary includes pass-by stops at Poseidon Face and secret swimming spots. The private nature of the trip allows maximum flexibility, whether you want to linger at certain locations or explore lesser-known areas. Reviewers note the “breathtaking scenery” and the tailored approach as highlights.
Bottom line: This is the ultimate choice for families or small groups wanting a custom, private adventure to Zakynthos’ most iconic sites.
13. Zakynthos: Sunset Private Cruise to Myzithres
This 3-hour private sunset cruise is perfect for a romantic evening or special occasion. It includes stops at Marathonisi, Keri Caves, and Myzithres, with the opportunity to swim, snorkel, and enjoy the sunset over the sea. The boat is family or small group-friendly, with options to tailor the route and timing.
Guests mention the “incredible sunset” and the personal service that makes this trip stand out. The flexible itinerary and private setting make it ideal for intimate moments, especially with loved ones.
Bottom line: Select this tour for a bespoke, relaxing evening with spectacular views and a peaceful atmosphere.
14. Zakynthos: Turtle Island, Keri Caves, & Sunset Boat Tour
This 5-hour sunset boat ride combines the best of Zakynthos’ Turtle Island, Keri Caves, and Mizithres. You can enjoy a glass of wine while watching the sunset, making it an ideal trip for couples or small groups who want a leisurely, scenic experience. It’s a great way to combine wildlife spotting, scenic cruising, and sunset viewing into one memorable package.
The stops include Laganas Bay, where you can often see turtles, along with the caves and rocky islets. It’s praised for its relaxed pace and beautiful sunset views.
Bottom line: Best for travelers who want a calm, scenic cruise with the added romance of sunset and wine.
How to Choose Your Perfect Keri Boat Tour
When deciding which boat tour to book, consider your interests and travel style. For a private, relaxed experience, the Zante Private Boat: Marathonisi, Keri Caves, Mizitres or the Sunset Cruise to Mizithres are excellent. If adventure and lively atmosphere appeal, the Full-Day Pirate Ship offers an energetic day. For wildlife lovers, the Glass Bottom Turtle Tour provides a close encounter with sea turtles.
Budget also plays a role: private tours tend to be more expensive but offer personalized service, while group trips like the Daily Cruise or Sunset Tour provide great value for money. Booking early, especially during peak summer months, ensures you secure a spot on your preferred trip.
Final Thoughts
Keri offers a variety of boat experiences to suit all tastes—from private, intimate trips to lively full-day adventures. For a peaceful, personalized escape, the private tours with expert skippers are hard to beat. Meanwhile, if you want to combine sightseeing with socializing, the pirate or full-day cruises deliver the fun and scenic highlights. No matter your choice, these tours showcase Zakynthos’ stunning coastline and clear waters in an authentic way—so book early and prepare for memorable moments on the Ionian Sea.