Below you can find the states with legal online sports betting and some of the operators allowed in those states. Many states still have sports betting operator licenses available, but the sports betting industry is expected to consolidate over time in many markets. 

Arizona Legal Online Sportsbooks

Here are the best betting sites in Arizona.

• Bally Bet
• Bet365 Sportsbook
• Betfred Sportsbook
• BetMGM Sportsbook
• BetRivers Sportsbook
• Betway Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook
• Hard Rock Bet

Arkansas Legal Online Sportsbooks

Here are the best betting sites in Arkansas.

• Betly Sportsbook
• BetSaracen
• Oaklawn Sports

Colorado Legal Online Sportsbooks

Here are the best betting sites in Colorado.

• Bally Bet
• Bet365 Sportsbook
• Betfred Sportsbook
• BetMGM Sportsbook
• BetRivers Sportsbook
• Betsafe Sportsbook
• Betway Sportsbook
• Caesars Sportsbook
• Circa Sports
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook
• PointsBet Sportsbook
• SI Sportsbook
• Tipico Sportsbook

Connecticut Legal Online Sportsbooks

Here are the best betting sites in Connecticut.

• DraftKings Sportsbook
• Fanatics Sportsbook
• FanDuel Sportsbook
• PlaySugarHouse Sportsbook

Delaware Legal Online Sportsbooks

Here are the best betting sites in Delaware.

• BetRivers Sportsbook

Florida Legal Online Sportsbooks

Here are the best betting sites in Florida.

• Hard Rock Bet

Illinois Legal Online Sportsbooks

Here are the best betting sites in Illinois.

• BetMGM Sportsbook
• BetRivers Sportsbook
• Caesars Sportsbook
• Circa Sports
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook
• Hard Rock Bet

Indiana Legal Online Sportsbooks

Here are the best betting sites in Indiana.

• Bet365 Sportsbook
• BetAmerica Sportsbook
• BetMGM Sportsbook
• BetRivers Sportsbook
• Betway Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook
• Hard Rock Bet

Iowa Legal Online Sportsbooks

Here are the best betting sites in Iowa.

• Bally Bet
• Bet365 Sportsbook
• Betfred Sportsbook
• BetMGM Sportsbook
• BetRivers Sportsbook
• Betway Sportsbook
• Caesars Sportsbook
• Circa Sports
• DraftKings Sportsbook
• Fanatics Sportsbook
• FanDuel Sportsbook
• ESPN BET
• Tipico Sportsbook

Kansas Legal Online Sportsbooks

Here are the best betting sites in Kansas.

• BetMGM Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• Fanatics Sportsbook
• FanDuel Sportsbook
• ESPN BET

Kentucky Legal Online Sportsbooks

Here are the best betting sites in Kentucky.

• Bet365 Sportsbook
• BetMGM Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• Fanatics Sportsbook
• FanDuel Sportsbook
• ESPN BET

Louisiana Legal Online Sportsbooks

Here are the best betting sites in Louisiana.

• Bet365 Sportsbook
• BetMGM Sportsbook
• BetRivers Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• Fanatics Sportsbook
• FanDuel Sportsbook
• ESPN BET
• PointsBet Sportsbook

Maine Legal Online Sportsbooks

Here are the best betting sites in Maine.

• Caesars Sportsbook
• DraftKings Sportsbook

Maryland Legal Online Sportsbooks

Here are the best betting sites in Maryland.

• Betfred Sportsbook
• BetMGM Sportsbook
• betPARX Sportsbook
• BetRivers Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook

Massachusetts Legal Online Sportsbooks

Here are the best betting sites in Massachusetts.

• Bally Bet
• BetMGM Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook

Michigan Legal Online Sportsbooks

Here are the best betting sites in Michigan.

• BetMGM Sportsbook
• BetRivers Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook
• FireKeepers Sportsbook
• Four Winds Casino Sportsbook
• Golden Nugget Sportsbook
• PlayEagle
• Play Gun Lake
• SI Sportsbook

Nevada Legal Online Sportsbooks

Here are the best betting sites in Nevada.

• Atlantis Casino Race and Sports Book
• BConnected Sports
• BetMGM Sportsbook
• Caesars Sportsbook
• Circa Sports
• Golden Nugget Sports
• Nevada Sports Book
• South Point Sports
• STN Sports
• Tipico Sportsbook
• Westgate Superbook
• Wynn Sports

New Hampshire Legal Online Sportsbooks

Here are the best betting sites in New Hampshire.

• DraftKings Sportsbook

New Jersey Legal Online Sportsbooks

Here are the best betting sites in New Jersey.

• Bet365 Sportsbook
• BetPARX Sportsbook
• BetMGM Sportsbook
• BetRivers Sportsbook
• Betway Sportsbook
• Borgata Sports
• Caesars Sportsbook
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook
• Golden Nugget Sportsbook
• Hard Rock Bet
• Prime Sportsbook
• SuperBook Sportsbook
• Tipico Sportsbook 

New York Legal Online Sportsbooks

Here are the best betting sites in New York.

• Bally Bet
• BetMGM Sportsbook
• BetRivers Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• Fanatics Sportsbook
• FanDuel Sportsbook
• Resorts World BET
• WynnBET

North Carolina Legal Online Sportsbooks

Here are the best betting sites in North Carolina.

• Bet365 Sportsbook
• BetMGM Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook

Ohio Legal Online Sportsbooks

Here are the best betting sites in Ohio.

• Bally Bet
• Bet365 Sportsbook
• Betfred Sportsbook
• betJACK
• BetMGM Sportsbook
• betPARX Sportsbook
• Betr
• BetRivers Sportsbook
• Betway Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook
• Hard Rock Bet
• MVGBet
• Prime Sportsbook
• Superbook
• Tipico Sportsbook

Oregon Legal Online Sportsbooks

Here are the best betting sites in Oregon.

• DraftKings Sportsbook

Pennsylvania Legal Online Sportsbooks

Here are the best betting sites in Pennsylvania.

• Bet365 Sportsbook
• Betfred Sportsbook
• BetMGM Sportsbook
• betParx Sportsbook
• BetRivers Sportsbook
• Betway Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook
• Play SugarHouse
• Wind Creek Sportsbook

Rhode Island Legal Online Sportsbooks

Here are the best betting sites in Rhode Island.

• Sportsbook Rhode Island

Tennessee Legal Online Sportsbooks

Here are the best betting sites in Tennessee.

• Betly
• BetMGM Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook
• Hard Rock Bet
• Superbook Sports
• Tennessee Action 24/7

Vermont Legal Online Sportsbooks

Here are the best betting sites in Vermont.

• DraftKings Sportsbook
• FanDuel Sportsbook
• Fanatics Sportsbook

Virginia Legal Online Sportsbooks

Here are the best betting sites in Virginia.

• Bally Bet
• Bet365 Sportsbook
• Betfred Sportsbook
• BetMGM Sportsbook
• BetRivers Sportsbook 
• Caesars Sportsbook
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook
• Golden Nugget Sportsbook
• Hard Rock Bet
• SI Sportsbook

Washington, D.C. Legal Online Sportsbooks

Here are the best betting sites in Washington, D.C.

• BetMGM Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• Fanatics Sportsbook
• FanDuel Sportsbook

West Virginia Legal Online Sportsbooks

Here are the best betting sites in West Virginia.

• BetMGM Sportsbook
• BetRivers Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• ESPN BET
• Fanatics Sportsbook
• FanDuel Sportsbook

Wyoming Legal Online Sportsbooks

Here are the best betting sites in Wyoming.

• BetMGM Sportsbook
• Caesars Sportsbook
• DraftKings Sportsbook
• Fanatics Sportsbook
• FanDuel Sportsbook