What to expect: The smartly furnished lobby is a minimalist space in beige, tan, and off-white. The reception staff is chic in black; upstairs, five butlers are at guests’ beck and call. A well-heeled crowd gravitates here, drawn by fashionable surroundings, proximity to corporate and financial centers, and the advanced electronics in the guestrooms.

Amenity highlights: Located on the 22nd floor, the spa offers a tiny dip pool, two spa tubs, sauna, steam room, treatment rooms, a fitness room, and superb views of the vast city. A helipad is atop the spa. The airy Emiliano restaurant showcases contemporary Brazilian cuisine with Italian accents. The large business center includes a private meeting room and three workstations with complimentary high-speed Internet access.