Sumidero, Aguas Buenas, Puerto Rico

The Church of Nuestra Señora de la Concepción y San Fernando of Toa Alta (Spanish: Iglesia de Nuestra Señora de la Concepción y San Fernando de Toa Alta), better known as the Church of San Fernando of Toa Alta (Iglesia San Fernando de Toa Alta), is a historic Roman Catholic parish church located in the main town square (plaza pública) of Toa Alta Pueblo, the administrative and historic center of the municipality of Toa Alta, Puerto Rico. The original church dates to 1752, but the building was remodeled in 1826. It is a prime example of the churches built from 1720 to 1820 in Puerto Rico that have a single nave covered with a barrel vault. The church was added to the National Register of Historic Places (NRHP) on September 18, 1984 and on the Puerto Rico Register of Historic Sites and Zones in 2000. It is one of the 31 church buildings listed in the Puerto Rico State Historic Preservation Office's Inventory of the Historic Churches, and part of the Historic Churches of Puerto Rico MPS.

Mula is a barrio in the municipality of Aguas Buenas, Puerto Rico. Its population in 2010 was 3,842. In Mula barrio is part of the Aguas Buenas urban zone.

Cagüitas is a barrio in the municipality of Aguas Buenas, Puerto Rico. Its population in 2010 was 2,664.

Certenejas (Barrio Certenejas) is a barrio in the municipality of Cidra, Puerto Rico. Its population in 2010 was 6,049. A newer barrio, it was formed from part of Bayamón barrio, also in Cidra.

Mulita also spelled Mulitas is a barrio in the municipality of Aguas Buenas, Puerto Rico. Its population in 2010 was 266.

Aguas Buenas barrio-pueblo is a barrio and the administrative center (seat) of Aguas Buenas, a municipality of Puerto Rico. Its population in 2010 was 1,711. As was customary in Spain, in Puerto Rico, the municipality has a barrio called pueblo which contains a central plaza, the municipal buildings (city hall), and a Catholic church. Fiestas patronales (patron saint festivals) are held in the central plaza every year.

The Parque de Bombas Maximiliano Merced, at 42 Muñoz Rivera Street in Aguas Buenas, Puerto Rico was built in 1955. It was listed on the National Register of Historic Places in 2012. It has also been known as Parque Maximiliano Merced and as Antiguo Parque de Bombas de Aguas Buenas.

The 2010 Aguas Buenas earthquake, also referred to as the 2010 Christmas Eve earthquake (Spanish: Temblor de Nochebuena de 2010), occurred on December 24 at 7:43 p.m. local time in Aguas Buenas, Puerto Rico. It measured 5.1 on the moment magnitude scale and had a maximum Mercalli intensity of VI (Strong). The event was the largest in Puerto Rico since May 16th of the same year, and the largest to impact the San Juan metropolitan area since 1975. The earthquake was felt throughout the island of Puerto Rico, the island municipalities of Vieques and Culebra, the American and British Virgin Islands, and even in the Dominican Republic across the Mona Passage.

Aguas Buenas, (Spanish pronunciation: [ˈaɣwas ˈβwenas], local pronunciation: [awaʔ ˈβwenaʔ]), popularly known as "La Ciudad de las Aguas Claras" or "The City of Clear Waters", is a town and municipality of Puerto Rico located in the Central Mountain Range, north of Cidra, south of Bayamón, Guaynabo and San Juan; east of Comerio; and north-west of Caguas. Aguas Buenas is spread over 9 barrios and Aguas Buenas Pueblo (the downtown area and the administrative center of the city). It is part of the San Juan-Caguas-Guaynabo Metropolitan Statistical Area.

Monte Llano is a barrio in the municipality of Cidra, Puerto Rico. Its population in 2010 was 984.

Bayamoncito Barrio is a barrio in the municipality of Aguas Buenas, Puerto Rico. Its population in 2010 was 1,738.

Cañaboncito is a barrio in the municipality of Caguas, Puerto Rico. Its population in 2010 was 27,464. The barrio has over 90 sectors.