Rising 21 stories above San Francisco's famed Union Square, the JW Marriott San Francisco Union Square places guests in the heart of one of the world's most dazzling gateway cities. Our ideal location and redefined style of luxury awaits your celebration. Newly renovated, our accommodations applaud the hotel's iconic architecture and history of elegance. We have thoughtfully crafted a richness of experiences, with associates who will guide you on an elegant journey that begins the second you arrive. Featuring 15 event rooms totaling 16,648 square feet of space, our venue can accommodate ceremonies and receptions of all sizes. Our wedding specialist, exceptional culinary team and experienced associates will provide you and your guests with personalized services to ensure everything you imagined is realized to perfection.