| 1956 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1974 | | Guayaquil | placement.3RU |
| 1980 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1992 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1997 | | Quito | page.geo_unit_pageant.unplaced |
| 1999 | | Quito | page.geo_unit_pageant.unplaced |
| 2000 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 2003 | | Quito | page.geo_unit_pageant.unplaced |
| 2004 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 2007 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 2009 | | Manta | page.geo_unit_pageant.unplaced |
| 2009 | | Manta | page.geo_unit_pageant.unplaced |
| 2015 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 2017 | | Babahoyo | placement.2RU |
| 2020 | | Manta | page.geo_unit_pageant.unplaced |
| 2023 | | Santo Domingo | page.geo_unit_pageant.unplaced |
| 2024 | | Salinas | placement.4RU |