Hosack Hall - An elegant 583-seat, two-tiered auditorium complete with a stage and audiovisual/media capabilities. A grand marble staircase and elevators provide easy access to the second floor balcony. Hosack Hall, with 5,400 square feet, is ideal for conferences, lectures, video-conferencing, graduations, concerts, movie screenings, film/television shoots and more.

Library Reading Room - This dramatic Reading Room is adorned with painted soaring ceilings, grand bronze chandeliers, and massive arched windows boasting tranquil views of Central Park. The Reading Room offers 3,000 square feet of space and is adaptable for a variety of events such as conferences, lectures, luncheons, dinners, formal receptions, weddings, galas, and film/television shoots.

Presidents Gallery - A beautiful multi-function room with audiovisual and media accomodations, the Presidents Gallery provides an ambiance that is both elegant and traditional. At 1,700 square feet, it is the perfect setting for a smaller meeting, breakout room, luncheon, reception or dinner as well as film/television shoots.

The Periodicals Room - The elegant Periodicals Room with its painted soaring ceilings, grand bronze chandeliers, and massive arched windows overlooking Fifth Avenue and Central Park is often used in conjunction with the Library Reading Room. At 920 square feet, it is perfect for small intimate dinners, cocktail receptions, luncheons, and meetings. It is also the setting for film and television shoots.

Room 20 - A large, bright room ideal for a conference, seminar, lecture, luncheon or dinner, Room 20 boasts 2,600 square feet offering the flexibility for theatre, classroom, banquet rounds, or hollow square table arrangements. With fixed screens and permanent risers, the room offers the optimum flexible meeting and event space. Room 20 can be divided to create two smaller breakout rooms.

Room 21 - With 990 square feet, Room 21 is an excellent space for smaller meetings, workshops, breakouts, and vendor display areas.

Room 440 - Room 440 is ideal for the larger conference, meeting, seminar, workshop, or breakout with 1,700 square feet. It is fully equipped with a projection screen and stage providing optimum media accommodations.

The Hartwell Room - A stately boardroom lined with vintage books is ideal for private executive, board or committee meetings, The Hartwell Room, with 610 square feet of space and permanent board table and chairs, is a wonderful backdrop to intimate luncheons and dinners as well as television and film shoots.

The Council Room 558 - A comfortable, wood-paneled boardroom ideal for private executive, board, or committee meetings, smaller luncheons, dinners, and staff retreats, The Council Room, at 840 square feet, possesses a stately atmosphere with permanent board tables and chairs, and is often used for television and movie shoots.