The Argentario was a settlement since Etruscan, as reflected in the ruins of Talamone north and the Roman What in the south.
Following was conquered by the Romans up to become part of the family of Aldobrandeschi, Orsini, Senesi and finally after the fall of the Republic, under the Spaniards who built ioltre Port Longone the island of Elba, "the State of Presidi."
The promontory is connected to the mainland through the two tomboli: the tombolo of Giannella and Tombolo of Feniglia.