Hours of Operation
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Library Clock, Tiffany & Co.
The Cosmopolitan Club is located at 122 East 66th Street between Park and Lexington Avenues. The clubhouse is open from 7 am to 11 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 2 pm the day of arrival. We ask that all members and member guests check out of their rooms by 12 noon 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 11 pm should contact the front desk so that the appropriate staff are available to assist you with luggage and check-in procedures.