Carrières-sur-Seine is located in The Impressionists Land in the Yvelines, 

You can practice many activities:

Golf, no less than fifty courses in the Yvelines, the most famous National Golf Club and the closest Golf de l'Ile Fleurie

Tennis

Walk or bike ballades along the Seine

Boat trip on the Seine

Waterskiing ...

You can visit attractions parks, Disneyland Paris, Asterix Park, Thoiry zoo, Jardin d'acclimatation.

You can do shopping in the mall of Parly 2 or les 4 Temps anf of course in Galleries Lafayette and Printemps Haussmann.

And if you prefer culture to physical effort you'll not be spoiled with Paris, Versailles, and Saint Germain en Laye !