[5] It was purchased by Alfred Gwynne Vanderbilt, who expanded and improved the property to include flush toilets, a sewer system and hot and cold running water.

Vanderbilt died in 1915, a victim of the Lusitania sinking, leaving Sagamore to his widow Margaret Emerson, an avid sportswoman who continued to occupy the camp seasonally for many years.

Mrs. Emerson transferred the property to Syracuse University, which operated a conference center at the site until the State of New York offered to buy it.

Great Camp Sagamore has continued to function as an education institution dedicated to the preservation of the National Historic Landmark.

[2][7][8] The historic camp is now run by Sagamore Institute of the Adirondacks, Inc. [1] and is open to the public by guided tour, as well as offering accommodations and educational programming May through October.