Question: things to do in san juan for a day?
Answer: Old San Juan. 16,202 reviews. ...  Castillo San Felipe del Morro. 4,297 reviews. ...  Paseo de la Princesa. 1,215 reviews. ...  Castillo de San Cristobal. 4,585 reviews. ...  San Juan National Historic Site. 7,049 reviews. ...  Isla Verde Beach. 379 reviews. ...  Fortaleza Street. ...  Catedral Metropolitana Basílica de San Juan Bautista.