The statistics for Islam in Costa Rica is 4,000. There are a number of Islamic organizations in San José including the Centro Islámico (Masjid Omar) de Costa Rica led by Dr. Abdulfatah Sasa Mahmoud, al-Markaz (Dawa-e-Tabligh) in Desampardos and the Centro Cultural Musulmán de Costa Rica in Alajuela

Source : http://en.wikipedia.org/wiki/Islam_in_Costa_Rica