SideBets.co covers legal sports betting and online gambling across the United States — state-by-state guides, operator reviews, and honest breakdowns of where to bet, what the rules are, and which platforms are worth your time.
Legal Online Gambling by State
Casino + Sports Betting Available
- New Jersey — The most mature US market. Full casino + sportsbook + poker since 2013.
- Pennsylvania — Full casino + sportsbook + poker since 2019.
- Michigan — Full casino + sportsbook + poker since 2021.
- West Virginia — Full casino + sportsbook + poker. Early mover market.
- Connecticut — Casino + sportsbook since 2021. Tribal-licensed market.
Sports Betting Only
- New York — Largest US market by handle. Giants, Jets, Yankees, Knicks.
- Illinois — Chicago market. Bears, Cubs, Bulls.
- Ohio — Bengals, Browns, Cavaliers, Buckeyes.
- Massachusetts — Patriots, Red Sox, Celtics, Bruins.
- Colorado — Lowest tax rate in the US (10%). Best bonus environment.
- Virginia — Northern Virginia / DC market. Commanders, Capitals.
- Arizona — Cardinals, Suns, D-Backs. BetMGM is official Cardinals partner.
All platforms listed are legally licensed in their respective states. Reviews by Joseph Ryan. See our Affiliate Disclosure.

