On 1 July 1951, Atlético Club Saguntino was founded in the facilities of the Café Español with Enrique Aleixandre Calvo as president, Miguel Fuertes de la Asunción as vice president, José Felip in the position of secretary and José Mena as vice secretary.[3] In April 2016, Atlético Saguntino finished for the first time as champion of the Group VI of the Tercera División and qualified, subsequently, to play the promotion playoffs to Segunda División B. It achieved the promotion to Segunda División B after beating Calahorra in a penalty shootout.
In the next season, Atlético Saguntino achieved its first national title ever after defeating Fuenlabrada in the Copa Federación de España final.