Hotel G is a trendy boutique hotel located in the Union Square neighborhood of San Francisco. It offers smoke-free rooms for guests who prefer a smoke-free environment. The rooms are stylishly decorated and equipped with modern amenities such as a flat-screen TV, a mini-fridge, and a coffee maker. The hotel also features a hip lobby bar, a fitness center, and a 24-hour front desk service. With its central location and smoke-free rooms, Hotel G is a great option for travelers seeking a trendy and smoke-free accommodation in San Francisco.