66 East 55th Street offers a building-within-a-building commercial condominium in an unmatched Midtown Manhattan location. Situated between Park and Madison Avenues, the property is set within a modern luxury building designed by Kohn Pedersen Fox, providing a prestigious presence in Manhattan’s Plaza District. The commercial condo portion features an exceptional, turnkey buildout with premium finishes, open layouts, and specialty amenity spaces. Formerly operated as a luxury wellness and hospitality venue, the building is ideally suited for owner-users, private membership clubs, medical/wellness groups, or flagship retailers. Unbelievable location between Park & Madison Avenues in the heart of Midtown, surrounded by leading office towers, hotels, and retail. • Located in a modern, luxury commercial condominium building • Approximately 35,000 SF across six floors, each offering high ceilings and elegant finishes • Full-building opportunity with private entrance, multiple outdoor terraces, spa and wellness facilities, screening room, and a restaurant grade kitchen • Delivered vacant which is ideal for owner-users, private clubs, medical/wellness groups, or flagship retail • Significant branding potential in the heart of Midtown Manhattan