The Caguas Botanical Garden also known as the Botanical and Cultural Garden William Miranda Marin is just a short 30 minute drive south of San Juan.
Inside the gardens you will find the ruins of a Sugar Plantation, recreation of a slave house, Taino archeological artifacts, a small boating lake and well groomed grounds where you can just wander and enjoy the scenery.
The Caguas Botanical Gardens are open Thursdays to Sundays from 10:00am to 4:00pm
Guided tours are available at an extra cost, as well as a tram tour (reservations required)
Allow around 2 hours to see and joy the gardens