Hermitage of San Antonio de Padua de la Tuna

Guajataca Tunnel is a railroad tunnel that connected the town of Isabela and Quebradillas, Puerto Rico. The tunnel is one of the most significant work of the remnants of the national railway system that connected the island during the first half of the twentieth century. In 2000, the Government of Puerto Rico declared it a historical monument.

Coto is a barrio in the municipality of Isabela, Puerto Rico. Its population in 2010 was 3,575.

Teatro Liberty is a historic theater and performing arts venue located in Quebradillas Pueblo, the administrative and historic center of the municipality of Quebradillas, Puerto Rico. It was designed by Arcilio Rosa as both a music venue and a silent movie theater. It was the first venue of its kind to be built in Quebradillas and it hosted numerous musical events popular at the time such as zarzuelas and operettas, in addition to classical Spanish plays. The theater has been listed in the National Register of Historic Places since 1989 for being a prime example of the 1920s architecture cultural and performing arts venues vernacular architecture in the island that is highly inspired by Spanish Colonial architecture. It preserves its architectural integrity and was last restored in 1978 with upgrades being made to the lobby and main stage.

Quebradillas (Spanish pronunciation: [keβɾaˈðiʎas], locally [keβɾaˈðiʎaʔ]) is a town and municipality of the island of Puerto Rico located in the northern shore bordering the Atlantic Ocean, north of San Sebastián; east of Isabela; and west of Camuy. Quebradillas is spread over seven barrios and Quebradillas Pueblo (the downtown area and the administrative center of the city). It is part of the San Juan-Caguas-Guaynabo Metropolitan Statistical Area. Quebradillas is called "La Guarida del Pirata" (The Pirate's Hideout). A well-known beach in the area, Puerto Hermina, is home to an old structure known to have been a hiding place for pirates and their contraband.

Quebradillas barrio-pueblo is a barrio and the administrative center (seat) of Quebradillas, a municipality of Puerto Rico. Its population in 2010 was 3,103.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.

Terranova is a barrio in the municipality of Quebradillas, Puerto Rico. Its population in 2010 was 3,102.

Cacao is a barrio in the municipality of Quebradillas, Puerto Rico. Its population in 2010 was 4,663. One of the communities within this barrio is named Cacao Community and in 2010 had a population of 1,001.

Guayabos is a barrio in the municipality of Isabela, Puerto Rico. Its population in 2010 was 1,475.

The Puente Blanco (English: White Bridge) is a historic railway bridge that spans hundred and fifty feet deep and thirty six metres wide gorge across the Quebrada Mala Canyon, near Quebradillas, Puerto Rico. The bridge is the only reinforced concrete bridge in the area and the highest of its kind in Puerto Rico. It was built in 1922 by the American Railroad Company to replace a 1907 steel bridge as part of the construction of the national railway system that connected the island during the first half of the twentieth century. It was built on a concrete platform that held the existing steel bridge without interrupting the passage of the railway. The new bridge could hold two locomotives of 84 tons each. It was designed by Etienne Totti from Yauco who was the head engineer for the company. The bridge was restored by the municipality of Quebradillas, unfortunately as part of the repair the base was widened altering the character of the structure and hindering the view of the bridge. It was listed on the National Register of Historic Places in 1984.

Raymond Dalmau Coliseum is a multi-purpose indoor arena located in Quebradillas, Puerto Rico. The coliseum is home to the Piratas de Quebradillas, which competes in Puerto Rico's Baloncesto Superior Nacional. The Coliseum had its grand opening in 2008, hosted by Puerto Rican governor Aníbal Acevedo Vilá and the mayor of Quebradillas, Heriberto Vélez Vélez. Basketball and badminton events for the 2010 Central American and Caribbean Games were held in this coliseum.

Galateo Bajo is a barrio in the municipality of Isabela, Puerto Rico. Its population in 2010 was 1,961.

Llanadas is a barrio in the municipality of Isabela, Puerto Rico. Its population in 2010 was 2,315.