The Cosmopolitan Club is located at 122 East 66th Street between Park and Lexington Avenues. The clubhouse is open from 7 am to 10 pm Monday through Friday, and for special member-guest events on Saturday and Sunday. Member-guest events may also be scheduled during the week in a variety of Club rooms. Please e-mail or call the Club for information and reservations.

Guest rooms at the Cos Club are available for check-in at 3 pm the day of arrival. We ask that all members and member guests check out of their rooms by 11:00 am on the day of departure.

The Club is staffed 24 hours a day. Overnight guests may arrive at the Club at any time. Overnight guests planning on arriving before 7 am or after 10 pm should contact the front desk so that the appropriate staff are available to assist you with luggage and check-in procedures.