Zero Milestone

Castillo Dr. & San Marco Ave.
St. Augustine, FL 32084- Map It

AAA Editor Notes

Zero Milestone is at Castillo Dr. and San Marco Ave. The coquina ball marks the eastern terminus of both the Old Spanish Trail, which linked the missions between St. Augustine and Pensacola, and the first transcontinental highway within the United States.
Free.
Hours: Daily 24 hours.