Algaiarens, Protected bay and beach system in Ciutadella de Menorca, Spain.

Algaiarens, also called Platja des Tancats, is a beach at the north of the Ciutadella municipality on Menorca. Its coast belongs to the La Vall area, which holds pine woods, garrigue, farmland, lagoons, dune systems and cliffs, and Cala Fontanelles lies east of the beach.

The sources record no fishing or maritime history for this coast. What they document is its protection: the European Union lists it as a Special Protection Area for Birds, and the Parliament of the Balearic Islands declared it an Area of Natural Special Interest (ANEI). The beach is described as totally virgin, with no built development.

The beach is also known as platja des Tancats, a name that recalls the enclosures that once fenced off the land behind the sand. The coast forms part of La Vall, a farming estate whose fields, pine woods, garrigue and dunes surround the two coves. The area is protected as a Special Protection Area for Birds by the European Union and as an Àrea Natural d'Especial Interès by the Parliament of the Balearic Islands.

A parking area sits a short walk from the beach, marked with signage to help visitors find the entry paths. The route to shore is straightforward and well-defined for beachgoers of all abilities.

The beach is also known as Platja des Tancats, and the adjoining cove to the east is Cala Fontanelles. The surrounding coast belongs to the La Vall estate, which holds the Falconera, pine woods, garrigue, farmland, lagoons, dunes and cliffs.