Club Cantera Base 1939 Canarias S.A.D., commonly known as CB Canarias and known as Lenovo Tenerife for sponsorship reasons, is a professional basketball team that is based in San Cristóbal de La Laguna, Tenerife, Spain. Domestically, the team plays in the top level league in Spain, the Liga ACB and in European-wide competitions, the team plays in FIBA's Basketball Champions League (BCL). Their home arena is the Santiago Martín.

The Liga ACB, known as Liga Endesa for sponsorship reasons, is the top professional basketball division of the Spanish basketball league system. Administered by the Asociación de Clubs de Baloncesto (ACB), Liga ACB is contested by 18 teams, with the two lowest-placed teams relegated to the LEB Oro and replaced by the top team in that division plus the winner of the promotion playoffs.