The first known human presence on Formentera is in the Bronze Age, whenthey built the megalithic tomb of Ca na Costa, dated in 1600 a. C. After a timehe remained uninhabited, have traces of the passage of cultures Phoenician,Punic and Roman.
There is no reference to whether the island was inhabited after Visigothinvasions, but at least from the eleventh century, during the Arab occupation, the island had a population stable, as remains of houses, wells and cisternsof the time .
The troops of Jaime I of Aragon, led by Guillem de Montgrí conquered Ibiza and Formentera in 1235, which were incorporated into the Kingdom ofMallorca. Formentera was still inhabited by Saracens, according to reports the Llibre dels feits.