Capbreton Casino has one open poker table. The game is no limit texas hold 'em and the buy in is €150. There are also blackjack tables, slot machines and roulette. You must present your passport or international ID to be admitted.

Casino Kursaal in St Sebastien host nightly poker games and monthly tournaments for up to around 100 players.
http://www.casinokursaal.com/ingles/index2.php