| name | image | heritage designation | Area (m²) | date founded | Country | continent | latitude (°) | longitude (°) | Administration | Website | administrative división | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Costanera Sur Ecological Reserve |  | Ramsar site | Argentina | Americas | -34.6038888900 | -58.3525000000 | Argentina | website | Buenos Aires | Map |