The Archivo Nacional de Costa Rica serves as the key institution for preserving the nation's documentary heritage. It operates under the Ministry of Culture and Youth, ensuring the management and accessibility of crucial historical documents. The archive oversees various collections including Notarial and Historical Archives, and offers specialized services such as document restoration, digitization, and public access to records.

Additionally, it provides educational programs, guided tours, and itinerant exhibitions that engage the community and promote national history. With a dedicated library specializing in archivistics, the institution also facilitates training and certification for archivists. The Archivo Nacional actively works to enhance transparency through its public services and encourages user participation in its operations.

With a commitment to preserving Costa Rica's memory, the archive continually adapts to meet the needs of researchers, educators, and the general public. This institution not only safeguards the past but actively contributes to its cultural heritage for future generations