Map of Guaynabo, Puerto Rico

Guaynabo is the administrative centre of Guaynabo, Puerto Rico, with a population of about 81,360. It lies at 18.3575°N, 66.1110°W, about 47 m above sea level. Guaynabo is about 12 km (8 mi) south of San Juan, the capital. The nearest city on our map is Bayamón, 7 km to the northwest.

Guaynabo at a glance

Where is Guaynabo?

• The 7th largest city in Puerto Rico by recorded population.
• Located in the Northern and Western hemispheres.
• Daylight ranges from about 11 h 02 min on the shortest day to 13 h 14 min on the longest day (around 21 December and 21 June).

Cities near Guaynabo

• Bayamón — 7 km northwest
• Trujillo Alto — 11 km east
• San Juan — 12 km north
• Caguas — 15 km southeast
• Carolina — 16 km east
• Arecibo — 65 km west
• Ponce — 67 km southwest
• Mayagüez — 110 km west
• Charlotte Amalie — 125 km east, US Virgin Islands
• Cruz Bay — 139 km east, US Virgin Islands

Largest cities in Puerto Rico

• San Juan — 418,140
• Bayamón — 203,499
• Carolina — 170,404
• Ponce — 137,491
• Arecibo — 87,754
• Caguas — 86,804
• Trujillo Alto — 75,243
• Mayagüez — 73,077

Map of Puerto Rico and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.