Lake Bonilla (Spanish: Laguna Bonilla) is a freshwater lake in the Limón province of Costa Rica.

[1] The Bonilla and Bonillita lakes are located in a private property next to Reventazón River, and 9.66 kilometers SW of the Reventazón Dam.

Lake Bonilla is of landslide origin.

[1] The Bonilla-Bonillita Lacustrine Wetland created in 1994 is composed by this lake and Lake Lancaster Arriba, Lake Lancaster Abajo and Lake Bonillita and their surrounding areas.

[2]