To answer the question of “is sports betting legal in MA?”, on March 10, 2023, online sports betting sites were permitted to launch their services in The Bay State for the very first time. Online gambling activities, or at least certain iterations of online gambling activities, are now officially legal in Massachusetts. Is gambling legal in Massachusetts? Well, yes and no… Is sports betting legal in Massachusetts FAQ.Final thoughts – is sports betting legal in MA? Yes – but only in part.How to use our comparison and reviews to access the best Mass gambling sites.Now sports betting is legal in Massachusetts, what is the tax situation for bettors?.What is the Mass sports gambling bill and what future implications might it have?.Is betting legal in Massachusetts on Daily Fantasy Sports, lotto, and other games?.Is sports gambling legal in Massachusetts?.Is gambling legal in Massachusetts? Well, yes and no….