Bahía del Fondo is a coastal bay located in the province of Chubut, Argentina, near the city of Comodoro Rivadavia. This saltwater environment features accessible shorelines and is part of a broader coastal system that includes nearby beaches like Playa Alsina and Playa Los Limites. The bay's intertidal zones are characterized by mussel beds and other marine biocenoses, creating a productive habitat for various marine life. It is a known location for coastal fishing from both shore and boat.