In 1297, King Ferdinand IV granted Guzman el Bueno, founder of the House of Medina Sidonia, the Lordship of Sanlúcar, to which Chipiona belonged.

The effects of the tsunami came to town about an hour after the earthquake, killing four people and leaving flooded streets and beaches, estimating the actual damage to 238 815.

Earthquake Narration by the Community of the Holy Convent of Nuestra Señora Santa María de Regla, on December 6, 1755 On the aforementioned November 1 there wasn't any news from sunrise until 10 o'clock in the morning it was a serene and peaceful day, still and calm sea, a slight north wind.

We were warned that this was a terrible earthquake, and although it caused a corresponding fright in everybody, and we had the suspicion that the whole building, which [is] of stone, would collapse over us all, we lacked the freedom to leave the choir, all linked by the same superior impulse, and full of sure confidence in Patronage of Our Holy Image, which was clear to the eye on her majestic throne.

The tremor would last for ten to twelve minutes, knowing the land had returned to be quiet, and natural stillness, the Community started to take their seats, each recognising the Divine Mercy, and the patronage of Holy Mary of Rule, Our Lady, we escaped the threatening havoc with such happiness that there is not the least harm experienced in all areas of the convent.

Cantóse conventual Mass without the least suspicion, and concluded, was sung the sixth hour on the end of it, it would be like the 11 and fourth, there was a terrible roar of the sea, and found to be elevated both waves, violently throwing water on said bastion, and on the cliffs of the convent, were overwhelmed by a gunner, who was in it (which did not suffer any damage, having invoked the patronage of Our Holy Image), and fell upon the walls of the convent, and running for their flooded trenches surrounded the Church and its 2 sides to enter through the front door of the Farm, looking to the East.