St. Augustine: Spain's Easternmost U.S. Settlement

The Answer: St. Augustine, Florida

Founded in 1565 by Spanish admiral Pedro Menéndez de Avilés, St. Augustine is the oldest continuously inhabited European-founded city in the continental United States.

Why It's the Farthest East

• Located on Florida's Atlantic coast, it lies farther east than any other Spanish settlement in what is now the U.S.
• Pre-dates English settlements at Jamestown (1607) and Plymouth (1620) by decades.
• Served as Spain's strategic military and administrative hub for La Florida.

Historical Significance

• Capital of Spanish Florida for over 200 years.
• Site of the first Catholic parish in the U.S.
• Withstood sieges, pirate raids, and colonial transfers (Spain→Britain→Spain→U.S.).
• Preserves the Castillo de San Marcos (1672–1695), the oldest masonry fort in the continental U.S.

Other Early Spanish Outposts

While Spain established missions and forts across the Southeast and Southwest (e.g., Santa Fe, 1610; San Antonio, 1718), none were as far east—or as enduring—as St. Augustine.