Located in the azure waters of the Northern Sporades, the National Marine Park of Alonissos is a crown jewel of natural beauty and biodiversity. As the largest marine protected area in Europe, it offers visitors a rare chance to connect with the Mediterranean’s unique marine life.

The Enchanting Realm of the National Marine Park of Alonissos

Stretching across the Northern Aegean, the park encompasses Alonissos and several smaller islands, as well as a series of marine areas with an abundance of underwater beauty. From its stunning landscapes, crystal clear waters to the rich ecosystem, the National Marine Park of Alonissos stands as an epitome of unspoiled natural beauty.

Home to Unique Marine Life

What makes the park truly unique is its biodiversity. It serves as a habitat for the Mediterranean Monk Seal, one of the world’s most endangered marine mammals. Besides, the park’s waters teem with a variety of fish species, dolphins, and even rare seabirds, offering a thrilling exploration for nature enthusiasts and marine life lovers.

A Paradise of Snorkeling and Diving

The National Marine Park is a paradise for snorkeling and diving enthusiasts. The visibility in the Aegean waters allows for an immersive exploration of the marine world beneath the waves. Dive sites vary in depth and topography, providing opportunities for both beginner and experienced divers. Remember, however, to respect the marine life and avoid disturbing the natural environment.

Exploring the Islands within the Park

Beyond the marine life, the park consists of several islands, each with its distinct charm. The deserted islands of Peristera, Kyra Panagia, Gioura, Psathoura, and others, boast fascinating archaeological sites, secluded beaches, and hiking trails. These islands, reachable by boat trips, offer visitors a chance to discover the area’s historical heritage and enjoy unspoiled landscapes.

Conservation Efforts and Education

At the heart of the National Marine Park’s mission is the preservation of the marine and terrestrial ecosystems. The park is involved in numerous conservation projects, particularly focusing on the protection of the Mediterranean Monk Seal. Visitors can learn more about these efforts at the information centers located in Patitiri, Alonissos, offering educational materials and guided tours.

Accommodation and Local Delights

While the park’s islands are mostly uninhabited, Alonissos offers a range of accommodations for those wanting to stay nearby. From luxurious villas to traditional Greek guesthouses, there’s something for everyone. Don’t miss out on trying the local cuisine, either. Alonissos is famous for its delicious seafood dishes, typically enjoyed in a sea-view taverna.


The National Marine Park of Alonissos is more than just a marine reserve. It’s a testament to Greece’s commitment to environmental conservation, a paradise for marine enthusiasts, and a haven for those seeking tranquility and natural beauty. Whether you’re snorkeling, exploring the islands, or learning about conservation efforts, your visit to the park promises to be an unforgettable part of your Alonissos adventure.

Alonissos: A Serene Odyssey through Nature, Beaches and Timeless Greek Charm

Immerse in Alonissos’ natural splendor by exploring the National Marine Park, a sanctuary for rare seabirds, dolphins, and the endangered Mediterranean monk seal. Experience tranquility at Kokkinokastro Beach’s red cliffs and turquoise waters, and enjoy sun-soaked relaxation at the pristine Leftos Gialos Beach. Traverse the stone-paved alleys of Patitiri, absorbing the vibrant local culture and savoring traditional Greek cuisine. Finally, ascend to Chora of Alonissos, offering breathtaking panoramic views that perfect your island adventure. Alonissos promises an unforgettable journey through its unique blend of vibrant wildlife, exquisite beaches, rich history, and captivating views.