Thanks to our team of expert researchers, we were able to identify all the best operators in this highly competitive industry. We have made a top list for online gambling Delaware casinos and sportsbooks. Horse racing: In-state (online and at racetracks) and Offshore.College Sports Betting: In-state (not allowed on instate teams or games played in-state), offshore (no restrictions).Live/In-Play Betting: Retail sites and offshore sites.Online Casinos: Yes, at three regulated retail sites.Online Sportsbooks: Offshore sites only (legal in-state but no current options).Offline Casino Play in Person: Yes, at three locations.Offline Betting in Person: Yes, at three locations.Minimum Gambling Age in Delaware: 21 (in-state), 18 (offshore sites).Legal Gambling: Yes, in-state and offshore.Please note, you can find out all there is to know about betting in the state with our sports betting in Delaware page. Need to know the current status of online gambling (and gambling in general) in Delaware? Then we have all the information you need, right below.