
Fort Matanzas
Hidden just a few hundred yards west of A1A, just north of the Matanzas Inlet/River bridge, fully concealed behind the scrubby brush forest, lies a historic gem I have passed several times without knowing it was there or what it was.
The entrance on the west side of A1A to Fort Matanzas National Park and Monument is a small, hardly noticeable sign marking the park entrance. Like I said, I have passed it several times over the years, not knowing what was there or even seeing it. It is not uncommon in Florida to find parks alongside the road that have little to offer as far as anything significant to view, and in this narrow spit of land dividing the Atlantic Ocean and the Matanzas River, I never imagined something so significant could be there. Little did I know how wrong I was.

While searching the internet for things to do in the Saint Augustine area of Florida, I came across the listing for this historic fort. After learning it was there, I wanted to visit it immediately, so we loaded the car and went. It took about 30 minutes to get there, and we didn’t arrive until 1:30 p.m., but because of its small size, we had plenty of time to explore the park and the fort, and best of all, everything was FREE!
Plan Your Trip
From their website:
- Fort Matanzas Visitor Center is open daily from 9:00 a.m. to 5:00 p.m.
- Fort Matanzas Visitor Center grounds are open daily from 9:00 a.m. to 5:30 p.m.
- Limited Parking - Carpooling is strongly recommended - No parking for oversized vehicles available.
- Nature trails, fishing access, picnic area, and basic visitor information services are available.
- Public restrooms are open.
- Ferry Service to Fort Matanzas operates Thursday-Monday only. The ferry does not operate on Tuesdays and Wednesdays."
Fort Matanzas: History and Description
Nestled on the Atlantic coast of Florida, approximately 14 miles south of St. Augustine, Fort Matanzas stands as a silent sentinel to the colonial past of the United States. Though smaller and less famous than its northern counterpart, the Castillo de San Marcos, Fort Matanzas played a crucial role in the defense of Spanish Florida. Today, it remains a powerful symbol of European imperial ambitions, military strategy, and the clash of cultures that defined the colonial era.
The Origins of Fort Matanzas
The story of Fort Matanzas is deeply intertwined with the history of St. Augustine, the oldest continuously inhabited European-established settlement in the continental United States. Founded by the Spanish in 1565, St. Augustine became a vital outpost in Spain’s New World empire, serving both as a military base and a center for missionary activity. However, its location made it a constant target for rival colonial powers, especially the British.
The need for a southern defensive outpost became tragically apparent in 1740, when British forces led by General James Oglethorpe of Georgia besieged St. Augustine. While the Castillo de San Marcos held firm, Oglethorpe exploited Matanzas Inlet—an overlooked waterway—to blockade the city. Recognizing this vulnerability, the Spanish Crown ordered the construction of a fort to defend the inlet and prevent future surprise attacks from the south.
Construction of Fort Matanzas began in 1740 and was completed in 1742. Built largely by soldiers and convicts using local coquina stone—a type of limestone composed of shell fragments—the fort was a modest but highly functional military installation. It was named after the Matanzas River, itself named for the Spanish word ‘matanzas’, meaning "slaughters," in memory of the 1565 massacre of French Huguenots by Spanish forces under Pedro Menéndez de Avilés.
Strategic Design and Features
Fort Matanzas is a classic example of 18th-century Spanish colonial military architecture, adapted to the needs of a remote outpost. The structure is a small, square tower, roughly 50 feet on each side and rising 30 feet high. It consists of two main floors and a rooftop gun deck, all constructed from coquina. The fort’s simple design reflects its purpose: to serve as a watchtower and deterrent rather than a full-scale fortress.
The interior includes quarters for up to seven soldiers, a small storeroom, and a powder magazine. Access was controlled by a single entrance, which could only be reached via a wooden ladder or drawbridge, further enhancing its defensive capabilities. The gun deck was equipped with five cannons, which could effectively control the narrow Matanzas Inlet and prevent enemy ships from advancing north toward St. Augustine.
Unlike larger fortifications, Fort Matanzas was never intended to house a large garrison or withstand a major siege. Instead, it functioned as an early warning station and a checkpoint for monitoring maritime traffic. During the 1740 siege of St. Augustine by British troops, Fort Matanzas fired its cannons at British scouting vessels attempting to enter the Matanzas Inlet, but this brief encounter was the only time Fort Matanzas engaged in combat.
Life at the Fort
Garrison duty at Fort Matanzas was a spartan and isolated affair. Typically, the fort was manned by a small detachment of four to seven soldiers, who rotated from St. Augustine every 30 days. Supplies were delivered by boat, and communication with the main garrison was limited. The men who served there endured heat, humidity, insects, and isolation to protect the colony’s vulnerable southern flank.
Despite its remote location, the fort was a vital part of a larger defensive network. The soldiers stationed at Fort Matanzas kept watch over the inlet. Any sign of enemy ships would trigger a signal to St. Augustine, where reinforcements could be dispatched if needed.
Decline and Preservation
Fort Matanzas remained in Spanish hands until 1763, when Florida was ceded to Britain as part of the Treaty of Paris. The British held the region for 20 years, during which time the fort fell into disrepair. When Spain regained Florida in 1783, the fort was nominally reoccupied but continued to decline as threats to the region diminished.
In 1821, Florida became a territory of the United States, and Fort Matanzas was abandoned as a military installation. For decades, it was left to the mercy of the elements. By the late 19th century, the fort was recognized as a valuable historical site, and early preservation efforts began.
In 1924, Fort Matanzas was declared a National Monument, and the National Park Service assumed responsibility for its care in 1933. Restoration projects throughout the 20th century stabilized the structure and opened it to the public. Today, visitors can reach the fort via a short ferry ride operated by the Park Service, where they can explore the historic structure and enjoy scenic views of the surrounding estuary.
Fort Matanzas Today
Fort Matanzas National Monument now encompasses over 300 acres of protected coastal habitat, including dunes, marshes, and maritime forest. The fort itself is the centerpiece of a broader effort to preserve both historical and natural resources. In addition to guided tours of the fort, the park offers walking trails, educational programs, and wildlife viewing opportunities.
As a historical site, Fort Matanzas provides insight into the daily lives of colonial soldiers and the military strategies of European empires in North America. As a natural preserve, it safeguards fragile ecosystems and offers a tranquil escape for modern visitors.
Though modest in size, Fort Matanzas represents a significant chapter in the history of colonial America. Built in response to military threats, the fort exemplifies the challenges of defending a distant frontier and the ingenuity of early engineers. Today, it stands not only as a monument to Spanish colonial power but also as a symbol of endurance and preservation. Through its walls and the surrounding land it protects, Fort Matanzas continues to tell the story of a formative era in the history of Florida and the broader Atlantic world, and it is well worth the visit.
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