The success of the fishing industry, together with improved local agriculture, helped to fuel a strong local economy.
It is the only city in Spain that still adheres to this rigid rule.
The old city occupies the promontory and the area immediately inland, while most of the hotels occupy the more recently developed sections inland from the two beaches.
A few miles from shore is an uninhabited island which provides a dramatic centrepiece to the seascape.
It enjoys more than 3,000 hours of sunshine per year and the average annual temperature is around 19.0 °C.
The maximum temperatures during winter range from 15 to 22 °C, while the lows range from 6 to 12 °C.