Place

Christiansted Grounds Ft. Christiansvaern

A photo of the entrance to the fort with a red guard booth and flag overhead
Ft. Christiansvaern

Quick Facts

Entrance Passes for Sale, Historical/Interpretive Information/Exhibits, Information, Information - Maps Available, Information - Ranger/Staff Member Present, Parking - Auto, Restroom

Guarding the Gateway


Rising above the waterfront, Fort Christiansværn has stood watch over Christiansted Harbor for nearly three centuries.

Construction began in 1738, only a few years after Denmark established control of St. Croix. Built of yellow ballast brick brought from Europe aboard sailing ships, the fort was designed to protect the harbor, the growing town, and the valuable trade that flowed through this port.

By the eighteenth century, St. Croix had become one of the most productive sugar islands in the Caribbean. Ships carried sugar, rum, cotton, and molasses from the island to markets across the Atlantic world. Protecting that commerce was essential. The fort's soldiers guarded against piracy, privateers, rival European powers, and the constant threat of unrest within the colony itself.

But Fort Christiansværn was more than a military installation. It also served as a seat of colonial authority. Over the years, portions of the fort were used as offices, barracks, storage rooms, and even prison cells. The building became a symbol of both security and government power in Danish Christiansted.

Today, the fort remains the most recognizable landmark in Christiansted. Its walls have witnessed centuries of change—from Danish rule and the growth of the sugar economy to emancipation, labor reform, and the transfer of the Virgin Islands to the United States in 1917.

As you continue through town, remember that the fort was only one piece of a much larger story. The harbor, warehouses, churches, government buildings, and homes surrounding it all worked together to create the thriving Caribbean port town that was Danish Christiansted.

If you would like to learn more about the fort itself, a separate self-guided Fort Christiansværn tour is available in the National Park Service mobile app. An entrance fee is required to enter the fort.

Christiansted National Historic Site

Last updated: June 5, 2026