Ilha Deserta (Barreta)

Park

Ilha Deserta, officially the Ilha da Barreta, is the southernmost point of mainland Portugal and the most remote of the Ria Formosa barrier islands. The island is uninhabited, with no permanent residents, no roads and no development beyond a single restaurant, the Estamine, which operates from a solar-powered building near the ferry landing.

The beach stretches for several kilometres along the island's southern shore, facing the open Atlantic. The sand is white, the water is clear and cold, and in all but the busiest summer weeks it is possible to walk for long stretches without encountering another person. The dune system behind the beach supports a fragile ecosystem of marram grass, sea holly and other sand-binding plants, and access is channelled through designated paths to minimise erosion.

The northern shore of the island faces the Ria Formosa lagoon and is quite different in character. Mudflats, salt marsh and shallow channels create a rich feeding ground for wading birds, and the island is an important nesting site for little terns, Kentish plovers and other ground-nesting species. A boardwalk trail leads from the ferry landing through the dune system to the ocean beach, passing interpretive panels that explain the island's ecology.

The ferry from Faro takes around 40 minutes and runs several times daily in summer, with reduced services in winter. The Estamine restaurant serves fresh fish, shellfish and salads at tables overlooking the lagoon, and its relaxed atmosphere and exceptional seafood have earned it a reputation that draws visitors independently of the beach. There is no shade on the ocean side of the island, and visitors should bring sun protection and water.