"Vigilant" was a centerboard sloop with all-metal (steel and bronze) construction.She was owned by a syndicate led by Charles Oliver Iselin and which included Edwin Dennison Morgan, August Belmont, Jr., Cornelius Vanderbilt, Charles R. Flint, Chester W. Chapin, George R. Clark, Henry Astor Carey, Dr. Barton Hopkins, E.M. Fulton, Jr. and Adrian G Iselin.