Hacienda Buena Vista is a restored nineteenth-century coffee and corn hacienda in the mountains above Ponce, about ten kilometres north of the city. The estate dates to 1833 and operated until the early twentieth century, processing its crops with a hydraulic system that used diverted river water to power grinding wheels, hulling machines, and a water turbine. The Conservation Trust of Puerto Rico acquired it in the 1980s and spent years restoring it to working order — the guided tour includes live demonstrations of the machinery, which still runs.
The tour (advance reservation required) lasts about two hours and covers the main house, the processing buildings, and the plantation grounds. The hacienda gives a vivid and concrete picture of how Puerto Rico's coffee economy worked before industrialisation, and the setting in the hills — with views back toward the coast and Ponce visible in the distance — is beautiful. It is a more specific and educational visit than the Castillo Serrallés in town, and the two complement each other well if you want a full picture of how wealth was made and spent in colonial Ponce.