The São João Baptista Fort, also known as Fort of São João Baptista, is a historic military fortification located on Cabo de São Agostinho in Pernambuco, Brazil. Built in the 16th century, it was designed to protect the coastline from invasions and played a significant role in the defense of the region during colonial times. The fort features a unique architectural style, combining elements of Portuguese military design with local materials. Today, it stands as a cultural heritage site, attracting visitors interested in history and architecture, and offers stunning views of the surrounding landscape and coastline.