Club Esportiu Santanyí (Club Deportivo Santañí in Spanish) is a football team based in Santanyí in the autonomous community of Balearic Islands. Founded in 1968, it plays in the Tercera Federación – Group 11. Its stadium is Estadi Municipal de Santanyí with a capacity of 4,000 seats. It used to be the reserve team of Atlético Baleares from 2018 to 2024.
Club Esportiu Santanyí was founded in 1968. The 2007-08 season it was able to play for promotion to the Segunda División B, but it lost the first tie against CD Mirandés by an overall result of 3-0.
On 22 July 2018, Santanyí reached an agreement with CD Atlético Baleares to become their reserve team. On 30 May 2024, the agreement came to an end.