It was perhaps founded by the Tyrrhenians with the name of Cossa, and was conquered by the Romans in 272 BC. In the Middle Ages, it was a trading base of the Republic of Amalfi. In 1543 it was sacked by Turkish pirates. The port maintained a certain degree of trades until the 19th century, and was also the seat of a tonnara until 1956.
No, not Capri’s legendary blue one — Grotta dello Smeraldo huddles beneath Conca dei Marini, just south of Amalfi... Hike the Sentiero degli Dei ... Path of the Gods, known locally as the Sentiero degli Dei.