South Florida/Miami, Thursday, December 7: The Seminoles will start offering sports betting, craps and roulette at the tribe’s three South Florida casinos on Thursday, Dec. When will sports betting begin at the Florida Seminole casinos? A lawsuit challenging broader online sports betting remains pending at the Florida Supreme Court. The compact also allows sports betting statewide through a Seminole Tribes app, but the tribe is moving forward slowly with just onsite betting for now. Sports betting is becoming legal at all six Seminole-Tribe-run casinos in Florida. Is sports betting legal in Florida? Can I bet on the Super Bowl in Florida?