The Clift Royal Sonesta Hotel is a boutique hotel located near Union Square in San Francisco. Guests can indulge in a buffet breakfast at the hotel's Velvet Room, known for its chic and contemporary ambiance. The breakfast spread includes a variety of options, such as eggs, bacon, sausages, pastries, fresh fruits, and a selection of cereals and yogurts. The hotel also offers stylish accommodations, a fitness center, and a lively bar for guests to unwind.