CLOSED (April 2016).  Self-service bar/café in Friedrichshain. Sanatorium 23 has a lively atmosphere with modern, minimal design and featuring international DJ lineup. Attracts a nice mix of people.

You can relax in one of the comfy couches and take in the view from the giant panorama windows lining the street. DJ starts spinning at 9pm.  The drink menu comes in a cool periodic table. U: Frankfurter Tor