Guamaní

The Cayey Bridge, also known as Puente de Cayey, is an iron lateral lattice girder bridge in Puerto Rico that was built in 1891. It brings Puerto Rico Highway 15 over the Guamaní River. It is an extremely rare example of such a bridge in the United States or its territories. Puerto Rico has the only bridges in the United States or its territories built with this technology.The bridge was fabricated by the Belgian firm Nicrisse & Decluve. The girder bridge has two independent spans.It was listed on the National Register of Historic Places in 1995.

Caimital is a barrio in the municipality of Guayama, Puerto Rico. Its population in 2010 was 4,124.

Palmas is a barrio in the municipality of Guayama, Puerto Rico. Its population in 2010 was 709.

Quebrada Arriba is a barrio in the municipality of Patillas, Puerto Rico. Its population in 2010 was 711.

Yaurel (Barrio Yaurel) is a barrio in the municipality of Arroyo, Puerto Rico. Its population in 2010 was 1,589.

Puerto Rico Highway 15 (PR-15), formerly Road No. 4 (Carretera #4), is a main highway connecting the municipalities of Guayama and Cayey in Puerto Rico. With a length of 25.80 km (16.03 mi), it extends from PR-3 in downtown Guayama to PR-14 in downtown Cayey.

Jájome Alto is a barrio in the municipality of Cayey, Puerto Rico. Its population in 2010 was 641.

Casa Cautiño is a house museum in Guayama, Puerto Rico. The museum collection, administered by the Institute of Puerto Rican Culture, include works of art, wood carvings, sculptures and furniture built by Puerto Rican cabinetmakers for the Cautiño family. It is listed on the National Register of Historic Places.

Pitahaya is a barrio in the municipality of Arroyo, Puerto Rico. Its population in 2010 was 3,242.

The Iglesia Parroquial de San Antonio de Padua (English: Parish Church of Saint Anthony of Padua) is a historic, Roman Catholic parish church in Guayama, Puerto Rico. The parish was erected in 1736 and the first church building completed no later than 1775. The original appearance of the building is unknown, but some of the eighteenth century walls may survive in the present structure. The building was rebuilt twice in the nineteenth century and the present appearance dates from 1874. It takes an overall Romanesque form, while the details exhibit the eclecticism that characterized much Puerto Rican architecture in the later 1800s.The church was inscribed on the National Register of Historic Places in 1976.

The Eleuterio Derkes Grammar School (Spanish: Escuela Derkes) is a historic school building in Guayama, Puerto Rico. It was built in 1908, during a period when schools were gaining importance as civic institutions in Puerto Rico. Its simplified Neoclassical design emphasized this shift, and it became a prototype for a generation of school construction on the island. It additionally signifies a transition in construction technologies from wood to concrete. In 1987, architect Jorge Rigau observed that the building had survived in a nearly unaltered state, a rarity among schools of its era.It was inscribed on the National Register of Historic Places in 1987.

Carmen is a barrio in the municipality of Guayama, Puerto Rico, with a 2010 population of 619.