| name | image | heritage designation | type | Area (m²) | date founded | latitude (°) | longitude (°) | Website | Map |
|---|---|---|---|---|---|---|---|---|---|
| El Boqueron Park |  | 13.7333335876 | -89.2833328247 | website | Map | ||||
| El Imposible National Park |  | 38,200,000 | 01/01/1989 | 13.8333330154 | -89.9499969482 | website | Map | ||
| Jardín Botánico del Plan de la Laguna |  | Park | 13.6666669846 | -89.2500000000 | website | Map | |||
| Jiquilisco Bay | Ramsar site | 2005 | 13.3166666031 | -88.5500030518 | website | Map | |||
| Joya de Cerén |  | World Heritage Site | 32,000,000 | 13.8275000000 | -89.3691666667 | website | Map |