| 1957 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1958 | | Guayaquil | placement.WINNER |
| 1959 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1961 | | Guayaquil | placement.2RU |
| 1968 | | Guayaquil | placement.FINALIST |
| 1971 | | Quito | page.geo_unit_pageant.unplaced |
| 1972 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1977 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1980 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1983 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1985 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1986 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 1996 | | Quito | page.geo_unit_pageant.unplaced |
| 1998 | | Quito | page.geo_unit_pageant.unplaced |
| 1999 | | Quito | page.geo_unit_pageant.unplaced |
| 2001 | | Quito | placement.2RU |
| 2009 | | Manta | page.geo_unit_pageant.unplaced |
| 2010 | | Quito | page.geo_unit_pageant.unplaced |
| 2015 | | Guayaquil | page.geo_unit_pageant.unplaced |
| 2016 | | Machala | page.geo_unit_pageant.unplaced |
| 2017 | | Babahoyo | placement.FINALIST |
| 2022 | | Quevedo | page.geo_unit_pageant.unplaced |
| 2023 | | Santo Domingo | page.geo_unit_pageant.unplaced |
| 2023 | | Santo Domingo | page.geo_unit_pageant.unplaced |