In the area of Alonissos-N.sporades, have been established in 1992, the first National Marine Park of our country, that includes extensive islands and sea regions, of the broadness island complex of Alonissos, with particular natural, morphological and geographical characteristics.

The purpose of the National Marine Park of Alonissos-N.sporades mainly is:

• The protection, the maintaintion and management of nature and landscape, as a natural and valuable inheritance into extensive wasteland and Marine districts of North Sporades.
• The protection one of the most important and endangered specie, the Meditteranean seal or Monachus-Monachus, that unfortunately is at the top on the list with other species, which are threaten with disappearence in Europe and the entire world.
• The protection of other rare and threatened species of the Flora and Fauna of the island.
• The development of the area with the right use of the natural resources. The Park is not a shut area. It is an extensive, protectable area of a size of 2.200km about. The philosophy of the Park is the actual protection of the eco-system along with the growth of Alonissos, which is the only inhabitable island of the Park with out any violent intervensions.

Rescue-Medical Care

In Alonissos operates the center of Medical care of Seals and their safe return to their natural environment. The team is always in presence, in order to give the first-aid and if there is a need to carry out any other kind of animal that need's care, in to the center.

The return of the healthy animamls to their environment decrease the hopes of the survival of their kind.