Treasure Island was recorded in February 1974 at Generation Sound Studios in New York. Produced by Manfred Eicher, the album was released in 1974 by ECM Records.
The album features Keith Jarrett on piano and electric piano, accompanied by musicians such as Dewey Redman (saxophone), Charlie Haden (bass), and Paul Motian (drums). It includes original compositions by Jarrett.
The album combines avant-garde jazz with influences from folk and classical music. Notable tracks include 'Treasure Island' and 'Le Mistral', showcasing the quartet's versatility.