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The term “online gambling sites” can encompass sportsbooks, online casinos, bingo sites, and poker rooms.

If we’re looking for the heaviest hitters and highest performers across all categories, the best online gambling sites are casinos and sportsbooks like BetMGM, Caesars Palace, and DraftKings. These legal online gambling sites run sportsbooks across 30+ states and online casinos in the four currently legal jurisdictions.

With decades of experience in the gambling sphere, we’ve tested and reviewed every online gambling site to provide our top recommendations. We break down all your online gambling options, including sports betting markets, casino games, and the best current online casino bonuses and promos.

Note: If you access this page from a state without regulated online casinos, you’ll see a list of the best social and sweepstakes casino apps, which are legal in all states (except WA, MI and ID).

Table of contents

Best online gambling sites of 2023

• 1. BetMGM – Over 1,000 online casino games + competitive sports betting odds
• 2. Caesars – Caesars Rewards + excellent sports betting odds
• 3. DraftKings – Exclusive casino games + sports betting pools & DFS

Top online gambling sites

1. BetMGM — Varied casino games and competitive sports betting odds (4.8/5)

• Sign-up bonuses worth up to $1,025 for the casino and $1,500 for sports betting
• Massive selection of nearly 1,000 online casino games
• Lucrative ongoing sports betting promos

• Sign-up bonuses: Sign up with BetMGM Casino, and you’ll get $25 in bonus funds immediately and a 100% match, dollar for dollar, up to $1,000 on your first deposit with bonus code ORLIVECAS. Or sign up with the BetMGM Sportsbook bonus code OLBONUS for up to $1,500 paid back in bonus bets.
• Ongoing bonuses/promotions: BetMGM Casino has slot-specific Bet & Get offers and BetMGM Rewards Points multipliers; the sportsbook has same game parlay and bet insurance promos.
• Downloadable app/ratings: 4.5/5 on Google Play, 4.7/5 on the App Store
• Fastest payout options: Play+ PrePaid Card (Within 6 Hours)
• Best quote from Reddit user reviews: “The withdrawal process is decent, no major issues.”
• Worst quote from Reddit user reviews: “It’s legit, but don’t expect the best odds. Had no issues with payouts, but I’ve found better sportsbooks.”

What you don’t know about BetMGM but should: BetMGM pays homage to ‘90s retro video games and legendary running back Barry Sanders with a free-to-play mobile football game called 8-Bit Barry. Score a TD, and you can win Parlay Boost Tokens, Bonus Spins, Casino Bonuses, Odds Boost Tokens, Same Game Parlay Insurance Tokens, and Bonus Bets.

What people generally say about BetMGM that isn’t true: People seem to say you’ll find better sports betting odds elsewhere. That’s not always true. BetMGM posts competitive odds, and there’s a ton of value to be found in taking advantage of all its sports betting promos.

• States available: Casino – New Jersey, Michigan, Pennsylvania, and West Virginia. Sportsbook – Arizona, Colorado, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Mississippi, Nevada, New Jersey, New York, Ohio, Pennsylvania, Tennessee, Virginia, Washington D.C., West Virginia, and Wyoming. Poker – New Jersey, Michigan, and Pennsylvania.

2. Caesars Sportsbook and Casino — Caesars Rewards and excellent sports betting odds (4.7/5)

• First deposit match bonus worth up to $2,500 for Caesars Palace online casino and $1,000 first bet on Caesars for sports betting
• Caesars Rewards credits for all casino gameplay and sports bets
• Often the best sports betting odds in the country

• Sign-up bonus: Sign up with Caesars Palace Casino, and you’ll get your initial deposit matched 100% up to $2,500, plus 2,500 Reward Credits with promo code ORLIVE2500. Sign up with the Caesars Sportsbook bonus code MYBET1000 and get up to a $1,000 first bet on Caesars.
• Ongoing bonuses/promotions: The online casino offers Daily Deposit bonuses, Games of the Week, Experience, and Jackpot draws; the sportsbook has Profit Boosts, Giveaways, and Bet The Board Promos.
• Downloadable app/ratings: 4.5/5 on Google Play, 4.6/5 on the App Store
• Fastest payout options: Cash at the cage at Caesars properties (same day)
• Best quote from Reddit user reviews: “Caesars is pretty decent. Solid variety of sports. Vig is reasonable.”
• Worst quote from Reddit user reviews: “They’re pretty bad. No customer service, they take days to respond to emails, cashouts take forever.”

What you don’t know about Caesars Palace but should: Caesars runs daily odds boosts surrounding big bets for the biggest games. The odds are always competitive, and there’s extra value to be found on game days.

What people generally say about Caesars Palace that isn’t true: People might complain Caesars charges a high vig. That’s not true; the vig is almost always reasonable, and Caesars’ odds consistently beat those at other sportsbooks.

• States available: Casino – New Jersey, Michigan, Pennsylvania, and West Virginia. Sportsbook – Arizona, Colorado, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Indiana, New Jersey, New York, Ohio, Pennsylvania, Tennessee, Virginia, and West Virginia.

3. DraftKings —Exclusive casino games and sports betting odds (4.6/5)

• Bonuses include up to $1,535 for casino and $1,250 for sports betting
• Single account access for sportsbook and online casino
• Ongoing promos and regular free-to-play sports betting contests

• Sign-up bonus: At DraftKings Casino, sign up through our links and immediately get $35 in casino credits. Then, play $5 and get $100 in casino credits instantly or 100% deposit match up to $250. At the sportsbook, get a 20% deposit match up to $1000 (25x playthrough), a $50 Bonus Bet with a $5 deposit, and Bet $5, Get $200 in Bonus Bets Promo.
• Ongoing bonuses/promotions: DK Casino offers Hot Streaks bonuses, DraftKings Jackpots, and referral bonuses; the sportsbook runs Profit Boosts, Bonus Bets, No Sweat Bets, Survivor Pools, and Free-To-Play Betting Contests.
• Downloadable app/ratings: 4.6/5 on Google Play, 4.8/5 on the App Store
• Fastest payout options: Affiliated live casino/sportsbook locations (Immediately)
• Best quote from Reddit user reviews: “DraftKings is generally considered to be the better sportsbook overall, due to its wider range of betting options, better odds, and more user-friendly mobile app.”
• Worst quote from Reddit user reviews: “Sluggish, horrible cash outs.”

What you don’t know about DraftKings but should: You get seamless access between the sportsbook and online casino (where available). That means only one account is required to bet on sports and play casino games.

What people generally say about DraftKings that isn’t true: There have been complaints that the DraftKings apps are sluggish. That’s not true. The apps run as fast as any other, and DraftKings improves functionality and speed with every update.

• States available: Casino – New Jersey, Michigan, Pennsylvania, Connecticut, and West Virginia. Sportsbook – Arizona, Colorado, Connecticut, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, and Wyoming.

More online gambling sites

FanDuel — Market-leading sportsbook with casino integration (4.4/5)

• Sign-up bonuses worth up to $1,000 and 50 Bonus Spins for casino, and $150 for sports betting
• Growing casino game library
• Best sports betting software in the country

• Sign-up bonus: Sign up at FanDuel Casino and get up to $1,000 back if you’re down after your first 24 hours, plus 50 bonus spins; bet $5, get $200 in bonus bets at the sportsbook on sign-up, plus three months of NBA League Pass.
• Ongoing bonuses/promotions: FD Casino has DailyJackpots, Login Rewards, and Referral bonuses; the sportsbook has No Sweat Same Game Parlays, Bet & Get promos, and Profit Boosts.
• Downloadable app/ratings: 4.6/5 on Google Play, 4.8/5 on the App Store
• Fastest payout options: PayPal, Venmo, FanDuel Prepaid Play+ cards, online banking, and debit cards (Within 2 hours)
• Best quote from Reddit user reviews: “FanDuel has by far the highest payouts and odds, so much so it’s ridiculous in difference between other books.”
• Worst quote from Reddit user reviews: “My overall experience with them felt like a very shady business.”

What you don’t know about FanDuel but should: FanDuel Sportsbook has a new Parlay Hub tool showing you some great Same Game Parlay and traditional parlay options that potentially pay big odds.

What people generally say about FanDuel that isn’t true: Some have referred to FanDuel as “shady.” That’s not true. FanDuel is licensed as a sportsbook, casino, and daily fantasy sports site wherever available. There’s nothing shady about it; state regulators have checked.

• States available: Casino – New Jersey, Michigan, Pennsylvania, and West Virginia. Sportsbook – Arizona, Colorado, Connecticut, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, New Jersey, New York, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia, and Wyoming.

BetRivers Casino —Versatile bonuses and promos for sportsbook and casino (4.4/5)

• New player welcome bonuses include up to $1,000 for casino and up to $500 for sports betting
• Simple deposit and withdrawal options
• Competitive sports betting odds

• Sign-up bonus: Sign up at BetRivers Casino to get up to $500 back to cover losses in your first 24 hours in New Jersey, Michigan, or West Virginia ($250 in PA). Sign up using the sportsbook bonus code ORRIV to get a 2nd Chance Bet from $100 to $500, depending on your state.
• Ongoing bonuses/promotions: BetRivers Casino has Rush Rewards, Bonus Store, Drawings, and Tournaments; the sportsbook runs Drawings, Squares Contests, Parlay Insurance, Bet & Get Promos, and First-Goal Insurance.
• Downloadable app/ratings: 2.8/5 on Google Play, 4.4/5 on the App Store
• Fastest payout options: BetRivers Play+ card (Immediately)
• Best quote from Reddit user reviews: “They have a decent new user deposit match…They give a lot of profit boosts as well. Definitely worth signing up.”
• Worst quote from Reddit user reviews: “Terrible odds, terrible boosts, terrible parlay options, terrible withdrawal process, terrible app and interface.”

What you don’t know about BetRivers but should: You can link your account with your Rivers Casino Pittsburgh or Philadelphia Rush Rewards Card. Then, you can convert and redeem Rewards Points at Rivers Casino Philadelphia, Rivers Casino Pittsburgh, or online.

What people generally say about BetRivers that isn’t true: People have complained BetRivers has a terrible app and interface. That’s not true. The real money casino app constantly improves with updates, and the interface is fully functional in our experience.

• States available: Casino – New Jersey, Michigan, Pennsylvania, and West Virginia. Sportsbook – Arizona, Colorado, Illinois, Indiana, Iowa, Kansas, Louisiana, Maryland, Michigan, New Jersey, New York, Ohio, Pennsylvania, Virginia, and West Virginia.

How we rank online gambling sites

It’s personal for us, which means we start ranking the best online gambling apps and sites based on our own personal experience playing at online casinos and betting with sportsbooks. We also read countless Google and Reddit user reviews to consider what other people are saying.

Then, all our reviews and rankings follow a strict set of criteria you’ve identified as most important. This includes features and usability, game selection, competitive odds, bonuses and promotions (including no deposit casino bonus codes), banking & fast payouts, rewards programs, and new and fun features.

We eventually came up with our ranking for the best online gambling sites based on all of that. Plus, we always outline the reasons behind the rankings for you.

Best online gambling special offers

Whether it’s a new online casino bonus, ongoing promo, or simply an odds boost on a popular sports bet, here’s a look at what we consider the top special offers available at the best online gambling sites.

How do you know you can trust an online gambling site?

You can trust online gambling sites licensed by state gaming commissions like the New Jersey Division of Gaming Enforcement, Pennsylvania Gaming Control Board, Michigan Gaming Control Board, and West Virginia Gaming and Racing Association.

These governing bodies award licenses to online gambling sites, but not before taking a good look at them. The regulators also test all the casino games for fairness and approve all bet types before they go live. Plus, regulators ensure online gambling sites use encryption to protect your personal information and money.

Ultimately, this means you can trust any online gambling site with a state license, and they’ll have the state’s seal of approval on the website to prove it.

See more: Most trusted online casinos

Use responsible gambling principles and set limits

Online gambling sites are supposed to be fun. When sports betting and casino gaming cease to be fun, you may have a problem. That means that if your gambling leads to financial, relationship, employment, or health issues, you should seek help through national organizations like:

Ultimately, you should follow certain responsible gambling principles when playing games or betting on sports with online gambling sites. Never bet more than you can comfortably afford to lose. Set limits and stick to them.

If you or a loved one has questions or needs to talk to a professional about gambling, call 1-800-GAMBLER or visit 1800gambler.net for more information.