519 Madison Avenue – Floors 3–5 and Rooftop Opportunity X Real Estate Group has been retained on an exclusive basis to offer the upper floors of 519 Madison Avenue, a distinctive multi-level opportunity located in the heart of Midtown Manhattan. The available premises consist of approximately 3,972 rentable square feet across Floors 3, 4 and 5, together with potential rooftop activation rights, subject to final agreement and all applicable approvals. Available Space Third Floor: Approximately 1,336 SF Fourth Floor: Approximately 1,318 SF Fifth Floor: Approximately 1,318 SF Total Available Interior Space: Approximately 3,972 SF Rooftop: Potential additional outdoor hospitality and event component Each floor offers a long, full-floor layout with elevator and stair access. The existing spaces contain a combination of open areas, private rooms, restrooms, original architectural details and flexible floor plates that can support a wide range of hospitality, creative and commercial uses. The property is well suited for an operator seeking to establish a private club, executive lounge, event venue, wellness concept, content or production studio, showroom, corporate hospitality platform, private dining concept or multi-floor experiential business. Potential programming may include: Private members club Executive lounge and coworking environment Private dining and hospitality Corporate meetings and entertaining Brand launches and product activations Screenings and presentations Wellness, yoga and recovery services Podcast, media and content production Karaoke, music and private entertainment Rooftop events and seasonal programming The third floor is particularly well positioned for a primary reception, lounge or hospitality use. The fourth and fifth floors can accommodate private rooms, studios, meetings, wellness services, entertainment or event programming. The rooftop offers the potential to create a complementary outdoor component with seating, lighting, landscaping and private-event functionality, subject to DOB, FDNY, landlord and other required approvals. The spaces are currently offered in existing condition, providing an operator with the ability to design and build a concept around its own brand, operating requirements and intended use. Ownership is open to reviewing proposals for individual floors, multiple-floor combinations or the full upper-floor package. Located along the Madison Avenue corridor, the property benefits from immediate proximity to major office buildings, financial institutions, luxury retail, hotels, restaurants and transportation. The surrounding daytime population includes executives, finance professionals, attorneys, corporate employees, visitors and high-income consumers. This is a rare opportunity to control multiple contiguous floors and potential rooftop space within a highly visible Midtown Manhattan location. All dimensions and square footage are approximate. Any proposed use, construction, occupancy, food service, rooftop activation, amplified sound, assembly use or other operational component remains subject to ownership approval and all applicable governmental and regulatory requirements. Exclusive Leasing Agent X Real Estate Group Louis Peter Cotrone, Principal 917-420-0045 Cotrone@xrealestategroup.com