Although gambling is technically illegal in Miami, there are plenty of loopholes that allow all kinds of wagering. Gamblers can try their luck at offshore casinos or. Top Miami Casinos: See reviews and photos of casinos & gambling attractions in Miami, Florida on TripAdvisor. Gambling in Miami doesn't have to be high-stakes, but the fun always is. World- class horse racing, gaming and parimutuels are good times just waiting to be had.