Key fishing locations include the deep holes and channels of the main Rio São Luís, particularly where the current creates structure. The confluence areas where the river meets large lakes like Lago do Miriti are consistently productive, as these are natural funnels for baitfish and predators. The lakes themselves, such as Lago do Cujubim, are renowned for holding large concentrations of peacock bass and arapaima, especially around submerged timber stands, lily pad fields, and along steep drop-offs.