Rio Itapemirim is a significant river system flowing through the state of Espírito Santo in southeastern Brazil, draining into the Atlantic Ocean near the town of Marataízes. The river winds through a diverse landscape that transitions from inland terrain to coastal lowlands, creating a variety of habitats that support a rich mix of freshwater and estuarine fish species. The lower reaches and estuary zone are particularly productive for anglers, where the mixing of fresh and saltwater draws in species like fat snook and common snook, making it one of the more notable fishing destinations in the region.