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Thalassa Foundation

Preserving & Promoting Biodiversity

Thalassa meaning “sea” in Greek, is a non profit environmental organisation established in 2013,
promoting conservation and sustainability of the Mediterranean, especially in the area of Greece.
We are devoted to the preservation of marine habitats through actions and policies ensuring
sustainable development.

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An artistic journey with the Sporades National Marine Park as its compass

Thalassa Foundation organized an unforgettable art and ecology tour of the three Sporades islands. The students' artwork, inspired by the Sporades marine park, traveled to Skiathos, Skopelos, and Alonnisos, drawing the admiration of dozens of residents and visitors.
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Creative collaboration between students from the Sporades for the marine park that unites them

An important artistic initiative with a significant environmental added value will culminate in the Sporades islands next week, from June 3 to 5, 2025. The National Marine Park of Alonnisos Northern Sporades has inspired the creativity and imagination of more than 100...
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The fairy tale “The Rescue of Neravgi traveled to all primary schools of Alonissos and Skopelos

The value of freedom, the importance of solidarity and friendship, as well as the amazing world of dolphins are at the heart of the fairy tale "The Rescue of Neravgi", presented through interactive narration, theatrical play and visual expression to the students of...
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Off we go again!

Done as promised! As soon as the weather improved, another educational "cruise" was organized with the boat Nireis, aiming to introduce the residents of Alonissos to the A' zone of the N.M.P.A.N.S. Today the students and the teaching staff of the Evening Vocational...
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The “weseayou” Observatory is here!

The "weseayou" Obervatory is here! The platform for monitoring the Greek government's commitments for the protection of the sea until 2030 is open and waiting for you. Greenpeace, WWF Greece and Vouliwatch, have joined forces, our expertise and scientific knowledge to...
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The evening and vocational schools of Alonissos present the NMPANS at important symposium in Istanbul

The joy of giving us so much greater when it makes a difference and is combined with meaningful results!We thank the Evening School of Alonissos and the Evening Vocational School of Alonissos for the wonderful work they do, but also for the opportunity they gave the...
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Donation to the Volunteer Rescue & Health Missions Team

Thalassa Foundation had the pleasure to contribute once again to the local community of Alonissos, this time with a donation of special Rescue - Health equipment to the Volunteer Rescue & Health Missions Team (EODIA) Branch in Alonissos.     The donated...
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Calls for service providers by the Monk seal Aliance

In the framework of its collaboration with the Natural Environment and Climate Change Agency (NECCA) on the project “Supporting effective conservation measures for the Mediterranean monk seal and its habitat in Greece” (“SEAL GREECE”), the Monk Seal Alliance is...
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Get on board our educational cruises in the Alonissos Marine Park

The long-standing request of the people of Alonissos, to see and get to know the Alonissos Marine Park, has finally become a reality! The free educational "cruises" for residents of Alonissos, with the boat Nereis of the Thalassa Foundation, were inaugurated with...
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Power in Unity

The Thalassa Foundation is organizing a First Aid to Wildlife Seminar on Wednesday 30 October, at the Management Unit of the Sporades National Park of NECCA, at Patitiri Alonissos. The initiative is being implemented thanks to the cooperation and selfless contribution...
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