From CDG airport
Take the RER B direction "Paris St Remy les Chevreuses"
Stop at the station "Chatelet"
Or
Air France Buses:
Stop at the "Gare de Lyon" (20 bis, bd Diderot)
Take the subway line 1 direction "La Defense"
Stop at the station "Hotel de Ville"

From Orly airport
ORLYBUS:
Stop at "Place Denfert-Rochereau"
Take the RER B direction "Roissy"
Stop at the Station "Chatelet"
Or
Air France Buses:
Stop at "Porte Maillot"
Take the subway line 1 direction "Vincennes"
Stop at the station "Hotel de Ville"

From "Gare du Nord" or "Gare de l'Est"
Take the subway line 4 direction "Porte d'Orléans"
Stop at the station "Les Halles"

From "Gare Montparnasse"
Take the subway line 4 direction "Porte de Clignancourt"
Stop at the station "Chatelet"

From "Gare St Lazare"
Take the subway line 3 direction "Gallieni"
Change at the station "Arts et Métiers"
Take the subway direction "Chatelet"
Stop at the station "Hotel de Ville"

From "Gare de Lyon"
Take the subway line 1 direction "La Defense"
Stop at the station "Hotel de Ville"

By car
If you arrive by the A3 or A1 hiway take the "Périphérique intérieur" or Est.
If you arrive by the A6/A10/A13/A14/A15 hiway, try to get in by the "Porte d'Italie", take the "Périphérique Extérieur" or South or Est
Get out of the "Périphérique" at the "Porte de Bercy"
Follow the direction PARIS CENTRE.
Follow direction for the "Hotel de Ville"
Turn around the "Hôtel de Ville" by the right
On the "Rue de Rivoli", turn left
The rue Saint Bon is the third street on the right
Le Public Parking "Saint Martin" is at your disposal about 20 meters away from the hotel.