Home › Blog › Postcard from Rio de Janeiro: Coco from Ipanema Postcard from Rio de Janeiro: Coco from Ipanema Yoko Kumano on Jul 11, 2012 Coconut water alongside the Ipanema beach. Coconuts are cut in front of your eyes along the beaches of Rio for 3-4 reais ($2). The water is clear and has a tinge of saltiness to it.