Barrio of Quebrada Arenas
Location of Quebrada Arenas shown in yellow.
Country	United States
Territory	Puerto Rico
Municipality	San Juan
Area
- Total	2.44 sq mi (6.32 km2)
- Land	2.44 sq mi (6.32 km2)
- Water	0.00 sq mi (0.00 km2)
Population (2000)
- Total	2,753
- Density	1,126.6/sq mi (434.98/km2)
	2000 census

Located in the Southwest corner of San Juan, it is the only only rural barrio in the municipality. Quebrada Arenas is totally outside San Juan’s municipal urban zone according to the last Census. In 2000 it had a total population of 2,753 inhabitants, and an land area of 2.44 square miles (6.32 km²) resulting in a population density of only 1,126.6 residents per square mile (434.98 km²), the lowest for any barrio in San Juan.

The barrio of Quebrada Arenas has boundaries with the municipalities of Aguas Buenas and Caguas to the South, with Guaynabo to the West, and is bouded by the barrios of Camito to the East and Tortugo to the North.