Hatillo (Spanish pronunciation: [aˈtiʎo]) is a municipality located on the U.S. territory of Puerto Rico's north coast, bordered by the Atlantic Ocean to the north, Lares and Utuado to the south, Camuy to the west, and Arecibo to the east. According to the 2000 US Census Hatillo is spread over 9 wards and Hatillo Pueblo (the downtown area and the administrative center of the city). It is part of the San Juan-Caguas-Guaynabo Metropolitan Statistical Area.
Don Agustín Ruiz Miranda, a Canarian immigrant, founded Hatillo on approximately ten "cuerdas" (a cuerda is 0.97 acre) in 1823. Miranda granted this land on the condition that public buildings be erected and wide streets be built, and that the remaining land be sold or used for homes.
Hatillo is a coastal town on the northern side of Puerto Rico. There are 9 bridges in Hatillo.
Hurricane Maria on September 20, 2017 triggered numerous landslides in Hatillo with the significant amount of rain that fell.
Like all municipalities of Puerto Rico, Hatillo is subdivided into barrios.
There are many places of interest in Hatillo.
Today, Hatillo is the major producer of milk on the island and produces a third of the milk consumed in Puerto Rico.
Plaza del Norte is a shopping mall located in the barrio of Carrizales.
Hatillo has many annual celebrations and festivals. "Las Tradicionales" Hatillo Mask Festival ("Día de las Máscaras") - The Mask Festival began in 1823, and was imported by the immigrants from the Canary Islands, where the traditional festival originated. The early tradition of the festival required that the male population dress as women and they would visit each residence where the owners would offer them food and drinks. Currently the festival is celebrated every year on December 28.