When you need a break from San Francisco's vibrant downtown, retreat to JW Marriott San Francisco Union Square, our reimagined luxury hotel. This 4-star pet-friendly hotel in San Francisco is ideal for a vacation in the heart of Union Square, near notable San Francisco attractions like Chinatown, Fisherman's Wharf, Ghirardelli Square, and the Financial District. Give your energy a boost with an invigorating workout in our hotel's modern fitness center or enjoy fine dining in our delicious restaurant, Level III, featuring locally-sourced San Francisco cuisine and artisanal cocktails. Named a Best Hotel for Business Travelers by Forbes, business travelers appreciate our hotel in Union Square San Francisco with modern event venues boasting 16,648 square feet of space, advanced AV technology, open-air terraces and the highly versatile Pacific Conference Center. Enjoy exquisitely-appointed rooms with refined furnishings and sleek, spa-inspired bathrooms at JW Marriott San Francisco Union Square.