One of the newest clubs in Argentina, it was founded in 2009 and the team currently plays at the Torneo Nacional de Ascenso, the second division of Argentine basketball league system.

Due to its financial problems to solve the costs for taking part in a senior league, San Martín decided to merge with other two clubs from the city of Viedma, Villa Congreso and Sol de Mayo.

[1] Just two year after its establishment, Alianza promoted to Torneo Nacional de Ascenso, the second division of Argentine basketball.

[3] The team made a great campaign playing at its home venue, where remained unbeaten for 19 consecutive fixtures.

[4] Due to a sponsorship deal, the club changed its name to "Ceferino Alianza Viedma" in July 2012.