Arecibo Arecibo is a charming municipality on the west coast of Puerto Rico. Best known for the Arecibo Obervatory housing the world's largest radio telescope this coastal city also showcases some picture-perfect landmarks and beaches. Nearby beaches include Los Morillos Beach, Los Negritos Beach, Poza del Obispo Beach, and Las Tunas Beach. The Arecibo Lighthouse and Cathedral of Saint Apostle is also worth visiting. |