You can find including further the different ways to go
to Le Touquet and a plan of access to the hotel.
Getting to Le Touquet by road...

Paris - Le Touquet : 2 h - 200 km
  Motorway A16 - Paris / Calais Exit n° 26 direction LE TOUQUET (approx. 3 km).

Brussels - Le Touquet : 2 h 30 - 250 km
  Motorway A10 - E40 direction Oostende (Gent/Gand - Brugue/Bruges).
  A18 - E40 direction Veurne.
  A26 direction Dunkerque.
  A16 direction Calais / Boulogne - Exit n°26 LE TOUQUET.

London - Le Touquet : 160 km - 2 h 30
  Motorway M20 direction Folkestone - Exit 11 A Folkestone.
  Channel Tunnel (with the Eurotunnel), Folkestone / Calais - 35 mn (journey time).
  From Calais, motorway A16 direction Boulogne sur mer Exit n° 26 "Le Touquet".