Lies on tree-sheltered Garrison Bay, about nine miles northwest of Friday Harbor. Four historic buildings and a small formal garden have been restored. The barracks has an audiovisual program about the Pig War and the joint occupation. Buildings are open daily during the summer season. An information desk is open Monday through Friday during the winter months and daily during the summer season, June through September.
Exhibits focus on archaeology, the Pig War and joint occupation and frontier army life.
The trails are dirt or mowed grass. In the summer, there are several weekend special programs. Camping facilities, motels and bed and breakfasts are available throughout San Juan Island. The Visitor Center bookstores in Friday Harbor and at American Camp are operated by the Northwest Interpretive Association. As of this posting a ramp is being planned for the English Camp royal marine barracks.