[4] With a total area of 62.06 km2, the water body is the largest lake within a set of coastal lagoons that are inserted in the Doce River basin.

[6][7] Its maximum depth reaches 21 m.[8] The name "juparanã" comes from Tupi and means "freshwater sea.

"[4] North of the Juparanã Lagoon is Imperador Island, which has a landmark celebrating the two illustrious visits it received: the Emperor Dom Pedro II in 1860 and the then President Getúlio Vargas in 1954.

It is accessed by boat, and the closest land point is Pontal do Ouro Beach.

Imperador Island is a property belonging to the State Government and serves as the physical boundary between the municipalities of Linhares and Rio Bananal.