Guaniquilla is a coastal barrio in the municipality of Aguada, Puerto Rico.

[3][4][5] Pico de Piedra beach and Guayabo River are located in Guaniquilla where an annual festival is held around June 24.

[6] Guaniquilla was in Spain's gazetteers[7] until Puerto Rico was ceded by Spain in the aftermath of the Spanish–American War under the terms of the Treaty of Paris of 1898 and became an unincorporated territory of the United States.

Barrios (which are, in contemporary times, roughly comparable to minor civil divisions)[15] in turn are further subdivided into smaller local populated place areas/units called sectores (sectors in English).

[16][17][18][19] The following sectors are in Guaniquilla barrio:[20] Apartamentos Aguada Elderly, Apartamentos Villarena Resort, Calle Estación, Urbanización Montemar, Condominio Bahía Azul, Condominio Elderly Apartments, Extensión Los Robles, Parcelas Palmar Novoa, Reparto González, Reparto Los Maestros, Reparto Minerva, Residencial Los Robles, Reparto Hernández, Sector Casualidad, Sector Jaguey, Sector Pico de Piedra, Sector Pitusa o Tramo Carretera 115, Sector Tosquero, Sector Valle del Atlántico, Sector Villa Santoni, Tramo Carretera 441, Urbanización Alturas de Aguada, Urbanización Isabel La Católica, and Urbanización Pública Francisco Egipciaco.