There are currently 3 coin-op laundrettes in Tignes:
Val Claret Centre – in the Sefcotel building by le Studio Bar and Odile Lingerie and Souvenir shop
Lac – Galerie Palafour, rue de la Poste
Lavachet – in Hameau de Toviere building near TC’s bar.
Make sure you are well prepared with enough coins for the machines.