AMERICAN SIDE. Affiliated with western New York’s Seneca Nation, this casino delivers all your favorite gambling temptations. Table games and slot machines are legion and offer plenty of opportunity for weal and woe. There’s even a non-smoking venue, Turtle Island Casino, for health-minded gamers. Other amenities include shops, restaurants, a live-music arena, and proximity to many of the city’s best attractions. A luxury hotel with suites, a spa and panoramic views of Western New York also features a newly expanded gaming floor.