The club's men's basketball section started out in the year 1967 and since then, Beşiktaş has played in the first
Turkish Basketball Super League, in every season, except in the 1988–89 season, due to their
relegation to the
Turkish Basketball First League after the 1987–88 season. The club won the Turkish Basketball Super League, under the management of and Tom Davis, in the 1974–75 season. In October 2010, Beşiktaş announced the biggest transfer in the history of the club's basketball department, with the signing of the former
NBA Most Valuable Player,
Allen Iverson. Iverson signed a 2-year $4 million
net income contract. In July 2011,
NBA All-Star Deron Williams of the
Brooklyn Nets, announced he would play for Beşiktaş, due to the
2011 NBA lockout. His $5 million net income contract included a clause that would enable him to return to the NBA during the regular season, if an agreement was made between the owners and players association. When the lockout finished, Williams was replaced by
Carlos Arroyo. Arroyo led the team to the
Turkish Cup title in February 2012. In April 2012, the team won the
3rd-tier level EuroChallenge Final against
Elan Chalon. After the EuroChallenge championship, the team won the Turkish Basketball Super League Finals against
Anadolu Efes. On September 30, 2012, the team won the
Turkish President's Cup against Anadolu Efes. Starting from the 2023–24 season, the team started to compete in
EuroCup, departing from
Basketball Champions League. They advanced to
semifinals of the same year's league. ==Sponsorship naming==