A.D. Municipal Osa

Asociación Deportiva Municipal Osa is a Costa Rican football club, currently playing in the Segunda División.
They are based in the south of the country, in Ciudad Cortés, near the Panamanian border.
History.
Founded in June 1983 as "Deportivo Hospital Tomás Casas", the name was changed to Municipal Osa quickly. They won promotion to the Segunda División in 1996 and reached the top flight after 4 more years. They won promotion after beating Municipal Liberia in a championship playoff. It was the same Liberia team that beat Osa in May 2003 to send them down to the Segunda División again.
They spent a total of 3 seasons in the Primera División.