111 Fifth Avenue – Modern Workspaces with Penthouse Amenities

111 Fifth Avenue is an iconic office building located at the corner of Fifth Avenue & 18th Street in the heart of NYC, offering a blend of historic charm and modern infrastructure.

The property features flexible floor plates ranging from 19,500 RSF to 21,700 RSF, with a full block opportunity of 62,500 RSF connected by interconnecting stairs. Floors can be leased individually, accommodating open or office-intensive layouts.

Tenants have access to a penthouse amenity floor with a lounge, conference space, and a furnished, landscaped terrace — ideal for client meetings or team gatherings. Core & shell plans are available for custom build-outs.

Available starting 2025, 111 Fifth Avenue provides a prestigious, functional workspace in a sought-after NYC location, making it ideal for companies seeking both flexibility and high-profile presence.