Agios Sostis in Zakynthos serves as a gateway to some of the island’s most captivating natural wonders. Travelers can embark on a glass-bottom boat ride to explore the nearby Marathonissi Island and the enchanting Keri Caves, where they’ll enjoy the vibrant marine life and have the chance to spot loggerhead turtles. This remarkable experience combines breathtaking scenery with the thrill of underwater exploration, offering visitors a unique opportunity to discover the hidden gems of Zakynthos National Marine Park. With so much to see and do, it’s no wonder Agios Sostis has become a must-visit destination for nature enthusiasts and adventure seekers alike.

Good To Know

Agios Sostis: Marathonissi, Keri Caves, and Turtle Spotting - Good To Know

  • Depart from Agios Sostis harbor for a 3-hour tour exploring Marathonisi Island and Keri Caves in Zakynthos National Marine Park.
  • Spot loggerhead turtles, a protected species, on Marathonisi Island, a breeding ground for these marine creatures.
  • Enjoy a glass-bottom boat ride and swim in the mesmerizing blue waters of Keri Caves, featuring limestone walls.
  • Purchase snacks, drinks, and ice cream on Marathonisi Island during the tour.
  • Tour includes hotel pickup/drop-off, boat ticket, island visit, and swim stop, with a rating of 4.3/5 from 235 reviews.

Tour Overview and Pricing

Agios Sostis: Marathonissi, Keri Caves, and Turtle Spotting - Tour Overview and Pricing

This tour offers a unique opportunity to explore the Keri Caves and Marathonisi Island, both located within the National Marine Park of Zakynthos.

Priced from $27.52 per person, the tour lasts 3 hours and includes a glass-bottom boat ride from Laganas. Visitors can swim in the Keri Caves and visit Marathonisi, a loggerhead turtle breeding ground.

The tour also provides free cancellation up to 24 hours in advance and a reserve now, pay later option.

With a 4.3/5 overall rating from 235 reviews, the tour is praised for its turtle spotting, swimming, and island exploration, though some found the beach area disappointing due to its protected status.

You can check availability for your dates here:

Tour Highlights

Agios Sostis: Marathonissi, Keri Caves, and Turtle Spotting - Tour Highlights

The tour offers a glass-bottom boat experience from Laganas, allowing visitors to swim in the captivating Keri Caves and explore the Marathonisi Island, a breeding ground for loggerhead turtles.

Guests can capture stunning photos of the marine park’s breathtaking scenery. On Marathonisi, they’ll find snacks, drinks, and ice cream available for purchase.

The comfortable boat provides shaded seating and a sundeck, ensuring a pleasant journey. Guests have the opportunity to experience the unique blue light reflecting off the limestone walls of the Keri Caves, a highlight of the tour.

Itinerary Details

Agios Sostis: Marathonissi, Keri Caves, and Turtle Spotting - Itinerary Details

The tour departs from Agios Sostis harbor, where visitors board a comfortable boat with shaded seating and a sundeck.

The glass-bottom boat then takes passengers to the Keri Caves, where they can swim and admire the blue light reflecting off the limestone walls.

Next, the boat heads to Marathonisi Island, where guests have free time to explore or relax. The island offers limited amenities, but visitors can purchase snacks, drinks, and ice cream.

After the island visit, the boat returns to the original meeting point, leaving participants with memorable experiences from the National Marine Park of Zakynthos.

Inclusions and What to Bring

Agios Sostis: Marathonissi, Keri Caves, and Turtle Spotting - Inclusions and What to Bring

The tour includes the glass-bottom boat ticket, visit to Marathonisi Island, swim stop at the Keri Caves, and hotel pickup/drop-off.

Visitors should bring essential items like sunglasses, sun hats, swimwear, towels, food, drinks, and sunscreen. Snorkeling gear is also recommended to fully enjoy the underwater sights.

However, large bags and luggage aren’t allowed on the tour.

With these inclusions and recommended items, travelers can make the most of their Agios Sostis adventure, capturing stunning photos and seeing the natural beauty of the National Marine Park of Zakynthos.

Customer Reviews and Ratings

Agios Sostis: Marathonissi, Keri Caves, and Turtle Spotting - Customer Reviews and Ratings

What do the customer reviews and ratings say about the Agios Sostis tour? The tour has an overall rating of 4.3 out of 5 based on 235 reviews.

Customers were particularly impressed with the transportation and value for money, both rated 4.4 out of 5.

The highlights mentioned include the opportunity to spot turtles and swim in the Keri Caves.

However, some found the beach area on Marathonisi Island disappointing due to its protected status.

Departure and Boat Details

Agios Sostis: Marathonissi, Keri Caves, and Turtle Spotting - Departure and Boat Details

Agios Sostis harbor serves as the departure point for this tour.

Guests board a comfortable boat with shaded seating and a sundeck. The glass-bottom vessel allows for prime viewing of the marine life and seafloor below.

During the 3-hour excursion, the boat takes visitors to the Keri Caves, where they can swim and admire the blue light reflecting off the limestone walls.

After the swim stop, the tour proceeds to Marathonisi Island, a protected loggerhead turtle breeding ground. Guests have free time to explore the island or relax on the beach before returning to the original meeting point with unforgettable memories.

Exploring Marathonisi Island

After the refreshing swim stop at the Keri Caves, the boat heads to Marathonisi Island, a protected loggerhead turtle breeding ground.

Visitors can explore this small, untouched island and its sandy beaches. The key highlights include:

  1. Spotting loggerhead turtles in their natural habitat, though visitors must maintain a respectful distance.

  2. Capturing stunning photographs of the island’s unique landscape and limestone formations.

  3. Enjoying light refreshments, including snacks, drinks, and ice cream available for purchase.

  4. Relaxing on the beach or hiking around the island’s perimeter to soak in the serene atmosphere.

Swimming at Keri Caves

Agios Sostis: Marathonissi, Keri Caves, and Turtle Spotting - Swimming at Keri Caves

During the tour, the glass-bottom boat takes visitors to the Keri Caves, an enchanting natural formation accessible only by water. As the boat glides through the turquoise waters, the limestone walls come into view, bathed in a mesmerizing blue glow. Guests have the opportunity to swim in the caves, seeing this unique environment. The experience offers a chance to appreciate the cave’s serene beauty and capture stunning photographs.

Keri Caves Description
Limestone Walls Adorned with a mesmerizing blue glow
Swimming Allows visitors to fully experience the caves
Photo Opportunities Capture the cave’s serene beauty

Frequently Asked Questions

Agios Sostis: Marathonissi, Keri Caves, and Turtle Spotting - Frequently Asked Questions

Can I Bring My Own Food and Drinks on the Tour?

Yes, the tour allows you to bring your own food and drinks. The tour overview states that recommended items include "food, drinks, sunscreen, and snorkeling gear", indicating you can bring your own refreshments.

Is This Tour Suitable for Children?

The tour appears suitable for children, as it includes activities like swimming, exploring an island, and opportunities to spot turtles. However, the tour’s length and potential for limited amenities on the island may make it less ideal for young children.

What Is the Best Time of Day to Visit the Keri Caves?

The best time to visit the Keri Caves is during the midday hours when the sun shines directly into the caves, creating a stunning blue light effect on the limestone walls. This allows for the best photo opportunities.

Can I Rent Snorkeling Equipment on the Island?

Unfortunately, snorkeling equipment is not available for rent on Marathonisi Island. The tour includes only the boat ticket and visit to the island. Visitors are advised to bring their own snorkeling gear if they wish to swim and explore the waters around the island.

Are There Any Medical Facilities on Marathonisi Island?

The tour information doesn’t mention any medical facilities on Marathonisi Island. As it’s a protected natural area, visitors should take precautions and prepare accordingly for their visit to the island.

The Sum Up

Agios Sostis offers a remarkable opportunity to explore the stunning Marathonissi Island and the captivating Keri Caves in Zakynthos National Marine Park. Visitors can enjoy a glass-bottom boat ride, enjoy the vibrant marine life, and even spot the area’s renowned loggerhead turtles. This experience combines breathtaking scenery with the thrill of underwater exploration, making it a must-visit destination for nature enthusiasts.