Praia de Atafona is an ocean beach located in São João da Barra, Rio de Janeiro, Brazil, facing the Atlantic Ocean. The beach is situated within a settlement, adjacent to a road, and is approximately 570 meters from the center of Atafona. This suggests convenient vehicle access and a relatively short carry for launching paddlecraft from the shore. The beach is public and has some amenities. The coastline in this area has experienced significant coastal erosion over five decades, which is a notable geographical characteristic for paddlers to be aware of, as it may affect the beach profile and shoreline features over time. The overall character is a serene and tranquil coastal destination with pristine sand and Atlantic Ocean views, offering a peaceful retreat. The water body is the open Atlantic Ocean, and a notable feature is the presence of signal buoys offshore, specifically near Porto do Açu, which is a potential paddling destination or landmark visible from the water. The area is rich in cultural and historical significance related to Brazil's colonial past, centered in the town of São João da Barra. The surrounding landscape provides a mix of urban and natural settings. Wind speeds can be significant, with one measurement noting 7.9 meters per second. Water and air temperatures vary seasonally; air temperatures can reach up to 22°C and drop to around 19°C, suggesting a generally warm climate. The beach is used by both locals and tourists, and the nearby town offers eateries.