The canals and lakes in Costa Rica give the visitor the opportunity to observe a great variety of animal species, especially birds. Also, they allow the practice of popular water sports such as wind surfing, canoeing, and kayaking. The man-made Arenal lake is an ideal spot for these sports. In fact, it has been compared with places like Il Garda Lake (Italy) and George River (United States). The Tortuguero canals and Caño Negro Lake are especially attractive places for bird lovers.

Canals:
- Tortuguero.

Lakes:
- Arenal- Caño Negro – Cachi.