You might want to play some rounds at Seignosse Golf, located 1.2 mi (1.9 km) from central Seignosse. If Seignosse Golf doesn't quite scratch your golfing itch, Golf of Hossegor is also nearby.
If thrills are what you're after, head to Atlantic Park, located 0.6 mi (0.9 km) from central Seignosse. If you have fun at Atlantic Park, you'll love Bateau Le Roben and Stand-Up-Paddle, both located nearby.