[3] Before the establishment of El Parterre, the Ojo de Agua served as a water source for the first European settlers of modern-day Aguadilla.

Before the founding of Aguadilla, the site around the water source was used by Sir Francis Drake as a resupplying base in 1595.

The spring kept being used as a primary water source for Spanish soldiers and later on by the first European settlers of the region between the 16th and 18th centuries, who named the new town San Carlos de La Aguadilla partially after the Ojo de Agua (Aguadilla is also the diminutive of Aguada, the name of the older town located directly to the south).

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