The history of La Ciotat is rooted in antiquity, but the city formed as an independent entity during the Middle Ages. Originally, this territory served as a seaport for the neighboring settlement of Ceyreste and was known by the ancient name Citharista. The official birth of the city is considered to be 1429, when, following a long struggle for autonomy, La Ciotat separated from its neighbors and became an independent commune.
The city's name comes from the Provençal La Ciutat, which simply translates to "The City," emphasizing its elevated status compared to the inland settlement. The transformation of a small harbor into a thriving center was due to its unique geographical location deep within a natural bay, protected from winds by the Cap de l'Aigle. This created ideal conditions for mooring vessels and developing port infrastructure.
Religious patronage also played a significant role in the management and development of the lands: the powerful St. Victor's Abbey from Marseille helped organize trade and the construction of the first significant structures. Thanks to its convenient access to the sea, the city quickly became an important point for merchant ships sailing the Mediterranean, ensuring a steady influx of capital.
The economy of early La Ciotat was inextricably linked to the sea: the main occupations of the residents were fishing, coral harvesting, and coastal shipping. As early as the 16th century, the foundations of shipbuilding were laid here, which would later bring the city worldwide fame. Its cultural character was formed under the influence of Provençal traditions; the city was actively built up with fortified walls for protection against pirates, while new churches and chapels became centers of social life.