The Havana Social is full of details, secret code for entrance through the telephone booth labeled “Telefono” and the bouncer will give you the number to get in. You’ll need to call Havana Social for the entry code. Step inside the phone booth, dial the secret code, and a false door in the back of the phone booth swings open. Even when it comes to the restrooms, where you can listen to revolutionary speeches of Fidel Castro while looking at old posters.