Situated along Manhattan’s prestigious East River corridor, 866 United Nations Plaza occupies a rare position directly adjacent to the global diplomatic hub of the United Nations Headquarters. The property sits within the Turtle Bay neighborhood, a secure, internationally oriented enclave known for embassies, consulates, mission offices, and Class A residential towers. Its immediate surroundings provide an atmosphere of stability, prestige, and global connectivity that few New York City addresses can match. Architecturally, the building reflects mid-century modern commercial design, characterized by clean lines, strong geometric massing, and a professional corporate aesthetic suited for mission-driven organizations, NGOs, foundations, and boutique professional firms. Large window lines and an elongated façade offer excellent natural light and sweeping views of the East River, the UN complex, Roosevelt Island, and the Midtown skyline. Set back from the busy avenues, the property benefits from a dignified arrival experience with a wide frontage, controlled traffic environment, and easy vehicular access. The location provides exceptional transportation convenience. Tenants are minutes from Grand Central Terminal, offering Metro-North service and 4/5/6/7 subway lines, while the FDR Drive entrance lies just south of the property for efficient regional access. The area is also supported by several East Side bus routes, CitiBike stations, and pedestrian pathways along the riverfront. Neighborhood amenities include diplomatic dining venues, quiet cafes, boutique retail, premium residential towers, consular services, international cultural institutions, and several luxury hotels frequented by global visitors and delegations.