At about 10 meters dip, down the debris, a necropolis was discovered and some years later, on the hill westwards the gulf , also the acropolis of Populonia (called in the Etruscan language "Fufluna", arised from Fufluns, god of the agriculture) was discovered. Populonia was the last town of the Etruscan "Dodecapoli" to be founded and the only one of them to have a view over the sea. Between the VIII and the V century b.C. Populonia had the monopoly in the iron trade (and its by-products) all over the Mediterranean Sea. The raw iron mainly came from Elba Isle, but it then began to be imported when the island (which was called, not by chance, "La Fumosa" - the smoky island - by Plinio il Vecchio) had no more trees to be stoked in the furnaces.
The iron working therefore began in the Gulf of Baratti. Throughout the centuries the most ancient necropolis of the place became abandoned and literally submerged by thousands of tons of waste products, obviously unused by the Etruscans who did not own blast furnaces. On the right of the road, two meters lower compared to the road level, we can find a dark red-sandy beach shining at the sun with its iron residues; here and there some big half-burned rocks emerge, they are probably what has left of the Etruscan rudimentary melting furnaces.