格拉納達省
Born in Benalúa, Province of Granada, Andalusia, Marín joined UD Almería's youth setup in 2010 at the age of 14, after stints with UCD La Cañada Atlético, Villarreal CF and Granada CF. He made his senior debut with the B-team in the 2013–14 season in Segunda División B, while still a junior.