Eleanor-Crystal Cks is a 9.5-kilometer-long beach situated between the mouths of Eleanor Creek and Crystal Creek in Hinchinbrook Shire, Queensland. This north-east facing shoreline features a narrow high-tide beach backed by mangrove swamps in its northern reaches, with a vehicle track and holiday shacks lining the southern section leading to Crystal Creek. The beach is fronted by extensive tidal flats, ranging from 1.5 kilometers wide at Eleanor Creek to an average of 500 meters to 1 kilometer wide further south, where rock flats become more dominant and create a crenulated shoreline. An extensive coral reef parallels the beach offshore. The area is characterized by lower energy conditions and is part of a slowly developing coastal section.