Martín Peña (Santurce) should not be confused with Martín Peña (Hato Rey).
| Martín Peña | |
| Settlement Type: | Subbarrio |
| Subdivision Type: | Commonwealth |
| Subdivision Name: |  Puerto Rico |
| Subdivision Type1: | Municipality |
| Subdivision Name1: | San Juan |
| Subdivision Type2: | Barrio |
| Subdivision Name2: | Santurce |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | .08 |
| Area Land Sq Mi: | .07 |
| Area Water Sq Mi: | .01 |
| Population As Of: | 2010 |
| Population Note: | Source: 2010 Census |
| Population Total: | 204 |
| Population Density Sq Mi: | 2914.3 |
| Timezone: | AST |
| Utc Offset: | -4 |
| Elevation Ft: | 0 |
| Postal Code Type: | Zip code |
Martín Peña is one of the 40 subbarrios of Santurce barrio, in the municipality of San Juan, Puerto Rico.
In 2000, Martín Peña had a population of 415.[1]
In 2010, Martín Peña had a population of 204 and a population density of 2,914.3 persons per square mile.[2]
The Sagrado Corazón terminal station of the Tren Urbano of San Juan Is located in the corner of Fernández Juncos Avenue and Haydee Rexach street in Martín Peña.