Nine Zero

Nine Zero is at once international and approachable: Its rooms are trendy but luxurious, the service hip but not obnoxious. Amenities include Mario Russo bath products and expansive in-room work spaces with ergonomic desk chairs. With the addition of executive chef Gabriel Frasca to its restaurant, Spire, this hotel has officially reached celebrity status. 90 Tremont St., Boston, 617-772-5800.