General Information Built in 1909 as a nightclub and speak-easy, The Opal San Francisco is rich in history and character. This boutique hotel features an impressive baby grand piano and colorful antiques in the lobby. Location: Located in the heart of the city, we are just steps away from the Historic Cable Car Line. Our location puts the city at your fingertips. There are limitless options for recreation in our neighborhood, and we invite you to come and explore them all! Recreation: When not out sightseeing or meeting colleagues, you can exercise in our on-site gym or relax in our classic lobby. An attentive, courteous staff is always available to make entertainment recommendations or assist guests with special needs. Rooms: With five stories of quiet, well-appointed guest rooms and suites, The Opal is the perfect home-away-from-home for business and leisure travelers. Each of our 164 delicately appointed guest rooms feature air conditioning, cable television, and high-speed Internet access.