The Marker San Francisco Hours Opens 24 Hours Phone (415) 292-0100 Location 501 Geary Street | Directions Website http://www.themarkersanfrancisco.com A Luxury Boutique Hotel in San Francisco's Union Square. The Marker offers eclectic style in the heart of downtown San Francisco surrounded by the city’s top theaters, neighborhood restaurants, and shops. Share: Neighbors Addy Hair Nearby Parking Mason O’Farrell Garage {"type":"Point","coordinates":[-122.411821,37.7866197]}