• Cannon firing on the gundeck of the Castillo de San Marcos

    Castillo De San Marcos

    National Monument Florida

There are park alerts in effect.
show Alerts »
  • Summer Weather

    Afternoon Thunderstorms can create dangerous amounts of lightning strikes. If Lightning is visible from the Castillo, Gundeck closures will take place. Click this link for the local weather forcast. More »

Commercial Use Authorizations

In compliance with federal law, the Castillo de San Marcos and Fort Matanzas National Monuments have instituted a commercial use authorization program.

All businesses who wholly or partly provide commercial services at the parks must obtain a commercial use authorization.

For additional information you may e-mail us.

Cover letter

Provisions

Application

Instruction Guide

Did You Know?

Frangrant but sour, Sevilla oranges still grow in St. Augustine today

The Spanish first introduced citrus fruit to the Americas bringing either seeds or seedlings for sour orange, sweet orange, lemon, lime, and citron. Castillo de San Marcos National Monument, Florida