Esmeralda is a municipality and town in the Camagüey Province of Cuba.
The municipality is divided into the barrios of Brasil (also known as Jaronú), Caonao, Guanaja, Quemado and Tabor.
Cayo Romano, one of the cays of Jardines del Rey archipelago is located north of Esmeralda, across the Bay of la Jiguey (Bahia de Jiguey).
In 2022, the municipality of Esmeralda had a population of 29,203. With a total area of , it has a population density of .
The economy is based on crops of sugarcane, coconuts, pineapple, oranges and tobacco.