Sociedad Deportiva La Camocha was founded in 1955, joining the Royal Spanish Football Federation two years later. On 30 July 1966, the team signed an agreement to be affiliated with Real Gijón as their reserve team. The following year, La Camocha's rights in Tercera División were acquired by Gijón and the team was renamed Club Atlético Gijón, being relegated to Primera Regional after three seasons.
Sporting Gijón B
Sporting de Gijón B was founded as Club Deportivo Gijón in 1960. Because the club started in the lowest level in Asturias, Segunda Regional, Real Gijón used other clubs to promote its youth players such as La Camocha. In 1970, La Camocha was replaced by Deportivo Gijón as sole affiliate after both clubs were to start in Primera Regional. La Camocha eventually became an independent club and was renamed Atlético Camocha Sociedad Deportiva. Deportivo Gijón finished as runner-up in 1971–72 and lost the promotion play-off to C.D. Acero 3–8 on aggregate, promoting to the fourth level two years later after winning the regional league. In the following decades, Sporting B fluctuated between division four and Segunda División B, first reaching the latter in 1979–80, but being immediately relegated. In 1991, it first reached the promotion playoffs in the category, repeating the feat in 1996 and 1997, but consecutively falling short. In early July 2011, despite finishing 19th in the third division table, with the subsequent relegation, Sporting B was reinstated in the category by buying the vacant place left by the administrative relegation of Universidad de Las Palmas CF. In 2018, the club qualified for the promotion playoffs to Segunda División, 21 years after their last participation. The club beat Cornellà in the first round but lost the two legs against Elche in the second.
Sporting de Gijón B play most of its home games at Escuela de Fútbol de Mareo, which also acts as both the training ground and football academy for the first team. It has a capacity of 3,000 spectators.
