The top floor of any skyscraper is the crown jewel, often home to penthouse homes and office suites that command premium rents. At The Spiral, a 66-story office tower in Manhattan, the top floor has become a trademark amenity not only for a few elite tenants but for the entire building.

Tishman Speyer decided to carve out space from a mechanical floor to build an amenities space. The result is ZO Clubhouse, a fully furnished lounge offering sweeping views of the city where people can gather for a happy hour, team meeting or game of billiards. The ZO Clubhouse also demonstrates how landlords are raising the bar in their amenity offerings as a means to create strong places that draw people, attract and retain tenants, and add value to real estate.

“That wasn’t something that was part of the original plan, but it’s been one of the most popular features of the building,” says EB Kelly, a senior managing director at Tishman Speyer. Such spaces resonate with tenants