Água Izé is another of São Tomé and Príncipe's significant cocoa plantations. Developed in the 19th century, this expansive plantation is one of the best-preserved examples of the colonial-era roças. The site features well-preserved colonial buildings, a hydroelectric power station, and stately colonial mansions. Roça Água Izé provides an intriguing look into the agricultural history and architectural style of São Tomé and Príncipe during the colonial period.