| operator | name | named after | heritage designation | image | date founded | Height (m) | city | administrative división | continent | Country | latitude (°) | longitude (°) | Website | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| University of the Republic | Los Molinos Observatory |  | 1994 | 85 | Montevideo | Montevideo Department | Americas | Uruguay | -34.7500000000 | -56.1833343506 | Website | Map | ||
| Observatorio del Instituto de Profesores Artigas |  | 09/01/1976 | Montevideo | Montevideo Department | Americas | Uruguay | -34.8933420000 | -56.1889080000 | Website | Map | ||||
| Observatorio Eta Carinae |  | 1997 | Villa Serrana | Lavalleja Department | Americas | Uruguay | -34.3333320618 | -54.9666671753 | Website | Map |