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Marathonisi Caves: A Zakynthos Natural Wonder

Discover the breathtaking Marathonisi Caves in Zakynthos, a natural paradise for swimming, snorkeling, and turtle spotting in crystal-clear waters.

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Explore the stunning Marathonisi Caves, located on the uninhabited island of Marathonisi in Zakynthos. These caves, part of the National Marine Park, offer crystal-clear turquoise waters perfect for swimming and snorkeling, and are a haven for the endangered Caretta Caretta sea turtles.

A brief summary to Marathonisi Caves

  • Κόλπος Λαγανά, Laganas, GR

Local tips

  • Bring your own food, water, and sun protection, as there are no facilities on Marathonisi Island.
  • Respect the environment and follow guidelines to avoid disturbing the sea turtles and their nesting sites.
  • Consider visiting the nearby Keri Caves for more snorkeling and exploration opportunities.
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Getting There

  • Boat

    The only way to reach Marathonisi Caves is by boat. Several boat tours and taxi boats depart from Laganas, Agios Sostis, and Keri. A taxi boat from Laganas or Agios Sostis costs approximately €10-€12 per person. Some tours include turtle spotting and visits to Keri Caves, with prices starting around €25 per person. Renting a private boat for 3 hours costs around €120, plus €5 for each additional person. Be sure to confirm the exact departure location and time with the boat operator.

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Discover more about Marathonisi Caves

The Marathonisi Caves are a collection of remarkable natural sea caves located on the coast of Marathonisi, an uninhabited island in Laganas Bay, Zakynthos. The island, also known as Turtle Island due to its shape, is a protected area within the National Marine Park of Zakynthos, playing a vital role in the reproduction of the Caretta Caretta sea turtle. Marathonisi boasts two main beaches: one with white sand and the other with pebbles. The pebble beach provides access to a large cave, while the sandy beach is a nesting site for the Caretta Caretta turtles. Visitors can explore the caves by swimming or boat, marveling at the rock formations and diverse marine life. The turquoise waters surrounding the island are ideal for snorkeling. Boat trips to Marathonisi and its caves are readily available from Laganas Bay, Agios Sostis, and Keri. These excursions often include turtle spotting and visits to nearby Keri Caves. As Marathonisi is a protected area, visitors should be mindful of the environment and follow guidelines to avoid disturbing the turtles or their nesting sites. There are generally no facilities on the island, so it's best to bring your own supplies.

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