Hacienda Juanita was established in 1834 when Angelita Comas, the wife of Spanish Army officer Eugenio Comas, ordered its construction. During the years it operated as a coffee plantation, it was reportedly owned at one time by the Antonnetti family, Francisco del Moral Nadal (1877-1943) and his wife Rosa Torrellas Guerrero were its last owners.

In the mid 1900s, most of its land, which at one time extended to 400 cuerdas, was segregated and sold.  In 1976 it was converted to a hotel under the Puerto Rican Government "Paradores" program.

As told by locals, the only remaining original structure is what used to be the warehouse buildingw which today is A restaurant.  The second and third pictures in the gallery are what used to be the slave quarter on the level below the old warehouse.  The entrance to the quarters is now covered in bricks but still the hinges to the entrance door can be identified.  A series of "window" or circular opening on the wall below the old warehouse was the ventilation and light source to the slave quarters.  

Today the boiler and coffee drier used during its production days stand in the open in the middle of what must have been the machine house and now is a parking area, the stone wall nearby must have been of one of the walls of the machine house.  

The structure where the "ril" or coin issued to workers for use in the "company store" is painted is not an original structure but sits where the original receiving facilities were located.