Puerto Rico Maritime Transport Authority

The Puerto Rico Maritime Transport Authority —Autoridad de Transporte Marítimo (ATM)— is a government-owned corporation of Puerto Rico charged with providing maritime transportation services for cargo and passengers within Puerto Rico, including the island municipalities of Vieques and Culebra. The agency is ascribed to the Department of Transportation and Public Works and was established by.

Services
The agency oversees three major services for maritime transportation within the Commonwealth of Puerto Rico. These include:

Executive director
2009–present: Carlos D. Pérez Medina