Bring a camera to capture the flowing cascades of Waterfalls of Ribeirao Itu. If it's raging, you may be able to feel the mist on your face.
When you've spent some time at this BoiƧucanga Beach cascade of water, why not check out Baleia Beach, Camburi Beach, and Maresias Beach? They're not very far from Waterfalls of Ribeirao Itu and also a hit with many tourists.