| Winner: | Diana Valdivieso |
| Date: | September 29, 2018 |
| Entrants: | 12 |
| Placements: | 6 |
| Venue: | Centro de Convenciones Mall del Río, Cuenca, Azuay |
| Broadcaster: | Telerama |
| Best National Costume: | Diana Valdivieso |
| Congeniality: | Paulette Sánchez |
| Photogenic: | Jocelyn Mieles |
| Before: | 2017 |
| Next: | 2019 |
Miss Earth Ecuador 2018 was the 2nd edition of Miss Earth Ecuador pageant. The election night was held September 29, 2018 in Cuenca where Lessie Giler from Manabí crowned Diana Valdivieso from Manabí as well. The winner represented Ecuador at Miss Earth 2018 pageant.[1]
| Placement | Contestant | |
|---|---|---|
| Miss Earth Ecuador 2018 |
| |
| Miss Air Ecuador 2018 |
| |
| Miss Water Ecuador 2018 |
| |
| Miss Fire Ecuador 2018 |
| |
| Top 6 |
|
| Award | Contestant | |
|---|---|---|
| Miss Congeniality |
| |
| Miss Photogenic |
| |
| Miss Environment |
| |
| Best Skin |
| |
| Best Smile |
| |
| Best Ecologic Costume |
|
Twelve contestants competed for the title.
| Province | Contestant | Age | Height | Hometown | |
|---|---|---|---|---|---|
| Shirley Magdalena Lucero Delgado | 23 | Cuenca | |||
| Andrea Fernanda Hidrobo Nina | 19 | Riobamba | |||
| Laura Paulette Sánchez Espinoza | 20 | Huaquillas | |||
| Julieth González Rojas | 19 | Machala | |||
| Camila Krystel Limones Junco | 18 | Guayaquil | |||
| Laura Cristina Sempértegui Ortega | 23 | Guayaquil | |||
| Melanie Burgos Palacios | 18 | Manta | |||
| Jocelyn Daniela Mieles Zambrano | 24 | Manta | |||
| Diana Nicole Valdivieso Ortíz | 20 | Portoviejo | |||
| Raiza Ortega Bravo | 22 | Coca | |||
| María Camila Espinosa Paz | 19 | Santo Domingo | |||
| Andrea Maribel Merino Guerrero | 21 | Ambato |