Club One Health and Fitness Center at Union Square offers a distinctive and rewarding fitness club experience just a few blocks from San Francisco's downtown Union Square. Our location features a deep water lap pool, dedicated Pilates studio, and outdoor training programs, including scuba. We're pleased to serve your fitness needs with our exceptional staff, state-of-the-art equipment and programs, and an inviting and refreshing environment. Our award-winning clubs offer an unparalleled commitment to member service and satisfaction. We look forward to your visit.