| 1956 | | Guayaquil | Unplaced |
| 1974 | | Guayaquil | 3rd runner-up |
| 1980 | | Guayaquil | Unplaced |
| 1992 | | Guayaquil | Unplaced |
| 1997 | | Quito | Unplaced |
| 1999 | | Quito | Unplaced |
| 2000 | | Guayaquil | Unplaced |
| 2003 | | Quito | Unplaced |
| 2004 | | Guayaquil | Unplaced |
| 2007 | | Guayaquil | Unplaced |
| 2009 | | Manta | Unplaced |
| 2009 | | Manta | Unplaced |
| 2015 | | Guayaquil | Unplaced |
| 2017 | | Babahoyo | 2nd runner-up |
| 2020 | | Manta | Unplaced |
| 2023 | | Santo Domingo | Unplaced |
| 2024 | | Salinas | 4th runner-up |
