The below Utah online gambling sites offer a great variety of gambling, excellent security measures, top payment options, and enticing bonus offers. Many online casinos and betting sites will let Utah residents join them, but only the very best will make our top Utah online gambling site list. College Sports Betting: Offshore sites only.Live/In-Play Betting: Offshore sites only.Online Sportsbooks: Offshore sites only.Offline Casinos in Person: One in Salt Lake City.Minimum Gambling Age in Utah: 18 (offshore sites only).Legal Gambling: In-state (unavailable), online/mobile (offshore sites only).