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The square coquina watchtower and gun deck of Fort Matanzas seen across the Matanzas River under a blue sky.
Free entry

Saginaw66 · CC BY-SA 3.0 · Source

Fort Matanzas National Monument

Fort Matanzas is a small coquina watchtower fort built by the Spanish in 1740–1742 on Rattlesnake Island to guard the Matanzas Inlet, the southern approach to St. Augustine, about 23 km south of the city. A National Park Service ferry crosses from the visitor centre on Anastasia Island; the grounds have a boardwalk and beach.

Good to know

Opening hours
Mon–Sun 09:00–17:30
Price
Free entry

Hours checked October 15, 2026 · source nps.gov

When to go

Today’s hoursAll weekHide week
Mon09:00–17:30
Tue09:00–17:30
Wed09:00–17:30
Thu09:00–17:30
Fri09:00–17:30
Sat09:00–17:30
Sun09:00–17:30

Frequently asked questions

Is Fort Matanzas National Monument free?

Yes. Entry to Fort Matanzas National Monument is free.

What are the opening hours of Fort Matanzas National Monument?

Opening hours: Mon–Sun 09:00–17:30.

Free entry

Official site

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