- Arenal Lake: This is the largest lake in Costa Rica, located in the northern part of the country. It was created by the construction of the Arenal Dam in 1979 to generate hydroelectric power and now serves as a popular destination for water sports, fishing, and bird watching.
- Lake Cachí: Located in the central region of Costa Rica, Lake Cachi is a reservoir created by the Cachí Dam on the Reventazón River. Its primary purpose is to generate hydroelectric power, however, the lake is also surrounded by lush rainforests and is a popular spot for fishing and boating.
- Lake Cote: Lake Cote is situated in the northern province of Alajuela and is known for its serene and picturesque surroundings. It is a natural lake that features crystal clear waters and has become a popular destination for relaxation, swimming, and kayaking.
- Lake Poás: Located in the Poás Volcano National Park, Lake Poás is a crater lake formed by the collapse of the Poás Volcano's crater. This stunning lake offers breathtaking views of the surrounding mountains and is a prime spot for wildlife observation, including the resplendent quetzal.
- Lake Pejibaye: Lake Pejibaye is situated in the mountainous region of Dota, in the southern part of Costa Rica. It is a natural lake surrounded by lush vegetation and is famous for its crystal-clear waters and serene ambiance. Visitors can enjoy swimming, boating, and picnicking in this beautiful location.
- Rio Macho Reservoir: This reservoir is located in the central Pacific region of Costa Rica, formed by the damming of the Río Macho and Río Savegre rivers. It is primarily used for hydroelectric power generation but is also a popular spot for fishing and other water sports.
