[5][6] The Club counted many well known and influential men as regular guests, including Presidents Harry Truman, John F. Kennedy, George H. W. Bush and members of their respective Administrations.

The Clubhouse also served as a popular meeting place of the East Coast elite (in particular those who held powerful positions in the C.I.A.

It was the place where men of power and influence dined, drank and socialized as they charted America's course according to Collier Magazine.

The membership totaled about 850 socialites from their era according to Richard Casiano, the General Manager from 1982 until his retirement in 1997.

The Club was operated the same as a well staffed English country manor, which included male staff wearing traditional white-tie uniforms.