Walk Into 500 Years of History

San Juan National Historic Site preserves stories of great ambition and aspirations. Countries fought for control of this tiny yet strategic island for centuries. Generations of soldiers have lived and worked within the forts. Visitors today are as inspired by these stories as they are by the beauty of the architecture and the ingenuity of design and engineering of this World Heritage Site.

Steep ramp leads to historic entrance to fort.

One Park - Many Components

A steep, curved ramp leads to historic entrance of Castillo San Cristóbal, one of the fascinating structures of this centuries-old complex.

Park Ranger leads group in outer defenses of fort. Puerto Rican capitol building is seen behind.

Things to Do

Park Guides reveal the secrets of a "defense in depth" strategy on tours.

Masons on scaffold clean historic walls

Skilled Masons Make Preservation Magic

Find out about how San Juan National Historic Site uses modern technology to preserve the authenticity of ancient walls.

Group of 3 children and 2 adults parade in 18th century military uniforms.

Educational Programs at the Park

Attention all 4th Graders! This is your special year! Find out how you can visit this and all National Parks this year for free.

Map of the bay and city from about 1785

From the Collections

Early map of the city of San Juan and the bay from circa 1785

Contact the Park

Mailing Address:

501 Norzagaray Street
San Juan, PR 00901

Phone:

(787) 729-6777

Contact Us