Embracing the industry, Delaware has legislation in place that allows for gambling in land-based casinos and was among the first states to legalize online casino gambling. When it comes to gambling laws and regulations, Delaware is among the most progressive states on the East Coast. What casinos in Delaware have sports betting?.What is the legal gambling age in Delaware?.When did casinos become legal in Delaware?.When did Delaware legalize online gambling?.Final Thoughts on DE Gambling & Future Outlook.Facts and Figures about the First State and it’s Gambling Industry.Resources for Responsible Gambling in Delaware.The Most Important Delaware Gambling Laws.An Overview of the Delaware Gambling Market.