|Full name||Galáctico Pegaso|
|Ground||La Foresta, Tres Cantos,
|2009–10||3ª - Group 7, 20th|
Galáctico Pegaso was a Spanish football team based in Tres Cantos, in the autonomous Community of Madrid. Founded in 1962 and dissolved in 2010, it held home games at Estadio La Foresta, with a capacity of 2,000 seats.
In 1962, Pegaso company, founded Club Deportivo Pegaso', with the club fluctuacting between the regional leagues and Tercera División in the first 16 years of existence. In 1977, Segunda División B had been created as the new third level and, after two seasons in that category, it returned to Tercera - now division four - for a further nine years.
In the late 80's/early 90's, the team played three more seasons in the third division, spending the remaining years in the fourth. In the 2000, the team was moved to Tres Cantos in the Community of Madrid, merging with Club Deportivo Tres Cantos two years later, and being renamed Pegaso Tres Cantos.
In 2004, another name change, with the club being renamed Sección de Acción Deportiva Tres Cantos Pegaso. Three years later, after a merge with Tornado Tres Cantos, the latter acted as its reserve team for one year.
Subsequently, the team became the property of Stars2007 Group S.L., changing names again, now to Galáctico Pegaso. In May 2010, after losing the company's support, the club was merged with Club Deportivo Islas to form UD Tres Cantos Islas.
- Club Deportivo Pegaso - (1962–2002)
- Pegaso Tres Cantos - (2002–04)
- Sección de Acción Deportiva Tres Cantos Pegaso - (2004–08)
- Galáctico Pegaso - (2008–10)
Season to season
- Alfredo Santaelena
- Carlos Cuéllar
- Quique Flores
- José García Calvo
- Miguel Hernández
- Juan Sabas
- Albeiro Rojas Perez
- Primeras reacciones de los clubes de fútbol de Tres Cantos ante la fusión entre el SAD Pegaso y Club Deportivo Islas (First reactions from Tres Cantos' football clubs to merger between SAD Pegaso and Club Deportivo Islas); Entrescantos, 8 May 2010 (Spanish)
- Polémica fusión en Tres Cantos (Controversial merge in Tres Cantos); FutMadrid, 24 June 2010 (Spanish)