San Martín Zapotitlán (or simply San Martín) is a small municipality in the department of Retalhuleu in Guatemala. Citizens spend every November 11 with a small fair to commemorate Martin of Tours. Its land extension is 24 km2, making it the smallest municipality in Retalhuleu and one of the smallest in all around Guatemala, nevertheless, it is ranked in top 50 most important Guatemalan municipalities, thanks to the three amusement parks (Xetulul, Xocomil and Xejuyup) that were inaugurated there.
| Official Name: | San Martín Zapotitlán |
| Mapsize: | 300 |
| Pushpin Label Position: | bottom |
| Coordinates: | 14°36′N 91°36′W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Guatemala |
| Subdivision Type2: | Department |
| Subdivision Name2: | Retalhuleu |
| Seat Type: | Capital |
| Seat: | San Martín Zapotitlán |
| Parts Type: | Municipalities |
| Government Type: | Municipal |
| Leader Title: | Governor |
| Leader Name: | Blanca Estela Mendoza |
| Established Date: | (2020 - 2024) |
| Area Total Km2: | 24 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 13700 |
| Population Density Km2: | auto |
| Population Urban: | 4110 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Utc Offset: | -6 |
| Other Name: | San Martín |
San Martín Zapotitlán has many tourist places, being Xetulul, Xocomil, Xejuyup, Club Mil Palmeras and Hostales del Irtra the most important and known. Its gross domestic product highly depends on them.
San Martín Zapotitlán is part of Retalhuleu and it is located at around 180 km from Guatemala city. It shares borders with: