For business and leisure travelers, San Francisco Marriott Union Square is the perfect, boutique-style hotel near Union Square. Stay busy near downtown attractions, sample sizzling street food in Chinatown or catch one of SFO’s historic cable cars. Return to the hotel for bin480, a restaurant and bar serving California cuisine and handcrafted cocktails. This hotel boats a 24-hour fitness center and ample event space.. The hotel rooms offer plush bedding, flat-screen TVs, streaming apps, work desks, Wi-Fi and tall windows showcasing San Francisco or the Bay. Reinvent how you travel at San Francisco Marriott Union Square.