5Alonissos: A Marine Sanctuary

Part of the Sporades island group, Alonissos is renowned for its pristine nature and marine park, the largest of its kind in Europe. The island is a paradise for eco-tourists, offering crystal-clear waters, pine forests, and charming villages.

Alonissos is also home to the endangered Mediterranean monk seal, and visitors can join eco-tours to learn about conservation efforts.

Must-Do: Dive into the island’s underwater museum, showcasing ancient shipwrecks.