- Lagoons on Uruguay's east coast. Classified as a wetland of international significance under the Ramsar Convention.
- Laguna de rocha. Lagoon in Rocha.
- Castillos Lagoon. Freshwater lagoon in Rocha.
- Garzon Lagoon. Semi-freshwater lagoon in Rocha and Maldonado.
- Santa Teresa National Park. Includes beaches, forests and the Fort of Santa Teresa.
- Cabo Polonio. Includes beaches and sand dunes.
Central Hill Country
- Lunarejo Valley. Located between Rivera and Artigas (on the border with Brazil). Native grassland, ferns and hill scrub, with small pockets of sub-tropical vegetation in the valleys.
- Quebrada de los Cuervos. Located near Treinta-y-Tres. Includes canyons and a sub-tropical forest in the bottom of the gorge.
- Arequita National Park. Located in 10 km (6 mi) north of Minas. Includes a large round mesa of volcanic rock and forests.
- Esteros de Farrapos National Park. Includes 24 islands, covering 174.96 km2. Classified under the Ramsar Convention as a Wetland of International Significance.
- Palace Cave in Flores. The geology dates from the Late Cretaceous period and is composed of sandstone, which formed during the Paleocene. Classified as a National Park in 2013.
- Uruguay, Presidencia de la República Oriental del. "Grutas del Palacio es el décimo lugar integrado al Sistema Nacional de Áreas Protegidas - Presidencia de la República". www.presidencia.gub.uy.