Fiestas del Carmen - Maritime Procession of the Virgen del Carmen
Isla Cristina's biggest summer fiesta honouring the patroness of fishermen. On the main day (16 July) the Virgin's image is carried to the harbour and embarks to sail the Carreras estuary, blessing the fishing fleet, followed by open-air dances, fresh-fried-fish tastings at the port, fishing contests and traditional estuary games.
Isla Cristina is a working fishing town first and a holiday spot second, which is exactly why this fiesta feels like the real thing. On 16 July the statue of the Virgen del Carmen is shouldered down to the Muelle Martínez Catena and loaded onto a fishing boat, then she sails out across the Ría Carreras with a flotilla of decorated trawlers in tow. Crews toss flowers onto the water and the whole fleet gets a blessing. It is a genuinely moving sight, religious or not.
Around it, the port turns festive: brass bands and orchestras play into the evening, there are fishing contests and estuary games, and stalls fry up the day's catch. Grab a paper cone of fried fish or some prawns, find a spot near the water with a cold beer, and let the town show you how it celebrates. Free to watch, easy to enjoy.
Source: https://fiestasdepueblos.net/fiesta/fiestas-del-carmen-isla-cristina