The 3 Biggest Online Casino Jackpots in U.S. History

Think you need to bet big to win big? Think again. U.S. online casinos have handed out some jaw-dropping jackpots—one of them off a 20-cent spin. As the regulated market grows across states like Michigan and New Jersey, the size of these life-changing wins is only getting bigger. We’re breaking down the three biggest online casino jackpots in U.S. history — where they happened, what games paid out, and how everyday players hit it big.

💰 Top Jackpot: $9.28 Million — DraftKings Casino, Michigan (2025)
🗽 States Involved: Michigan, New Jersey, Pennsylvania
🎰 Games: Irish Pot Luck, MGM Grand Millions, Divine Fortune

U.S. online casinos are still young compared to Europe’s established markets, but they’re booming — and so are the jackpots. Progressive jackpots are exploding in size, delivering life-changing wins to players in multiple states.

Here’s a look at the three biggest online casino jackpots ever paid out in the U.S., what games they came from, and what lessons players can take away.

---

🥇 #1: $9.28 Million — DraftKings Casino, Michigan (2025)

• Date: February 26, 2025
• Amount: $9,282,332.30
• Casino: DraftKings Casino
• State: Michigan
• Game: Irish Pot Luck (NetEnt)

The record for the largest U.S. online casino jackpot belongs to a Michigan player who turned a 20-cent spin into a staggering $9.28 million payout on Irish Pot Luck, a popular NetEnt progressive slot. This jackpot had been steadily building for over a year, fueled by DraftKings’ innovative “Single Level Progressive Jackpot” system, where a small extra wager on eligible games grows a huge prize pool.

If you want to learn more about how these progressive slots work and why they produce massive jackpots, we’ve got you covered.

Why This Matters:

• Minimal stake, massive win — 20 cents turned into $9.28 million
• Progressive jackpot mechanics — steady growth with thousands of players contributing
• Breaks all previous records in the U.S. online casino space by a wide margin

💡 Player Tip:
Keep an eye on operators running exclusive progressive jackpots. They often have better odds and bigger prizes than traditional slots.

---

🥈 #2: $6.47 Million — DraftKings Casino, Michigan (2024)

• Date: October 2024
• Amount: $6,470,000+
• Casino: DraftKings
• State: Michigan
• Game: DraftKings-exclusive progressive slot

Just months before the record-setting Irish Pot Luck hit, DraftKings set a major milestone with a $6.47 million jackpot in Michigan, coming from one of their exclusive progressive games. This jackpot was notable for its rapid growth and exclusivity, making Michigan a hotspot for big online casino wins.

If you want to see what’s happening across the country, our guide to online casino US states explains where you can play legally.

💡 Player Tip:
Focus on exclusive progressive titles in regulated states — these jackpots can snowball quickly.

---

🥉 #3: $3.27 Million — BetMGM Casino, New Jersey (2021)

• Date: November 2021
• Amount: $3,270,000
• Casino: BetMGM
• State: New Jersey
• Game: MGM Grand Millions (exclusive progressive)

Before DraftKings came onto the scene, BetMGM’s MGM Grand Millions held the U.S. online jackpot record with a $3.27 million payout in New Jersey. BetMGM’s progressive slots network links multiple brands across the state, creating a sizable jackpot pool.

Curious about the variety of games? Our online casino hub features all the latest casino games and updates.

💡 Player Tip:
Even lesser-known operator-branded games can deliver huge jackpots thanks to pooled betting.

---

About the Casinos Behind These Massive Wins

DraftKings Casino

DraftKings isn’t just about fantasy sports anymore. Their online casino platform, live in states like Michigan, Pennsylvania, and New Jersey, has quickly become a powerhouse. They run exclusive progressive jackpots and proprietary games that keep players engaged and jackpots climbing fast. Their blend of innovation and trusted brand power makes them a go-to for serious iGaming action.

If you’re new to DraftKings or want to maximize your play, check out the best online casino bonuses available to boost your bankroll before spinning.

BetMGM Casino

BetMGM is a heavyweight in the U.S. iGaming space, powered by the MGM Resorts brand. Available in key markets including New Jersey and Pennsylvania, BetMGM offers a mix of classic slots, exclusive progressive jackpots like MGM Grand Millions, and a sleek, user-friendly platform. Their multi-state jackpot pools have been a magnet for players chasing big wins.

For those interested in New Jersey’s scene, see our comprehensive list of NJ online casinos to find all top operators.

---

The U.S. Online Casino Jackpot Market Continues To Stay Hot

As more states legalize online gambling and operators build proprietary jackpot ecosystems, the era of seven- and eight-figure jackpots in the U.S. is just beginning.

Expect to see:

• More $10M+ jackpots in the near future
• Increased competition between operators offering exclusive progressive titles
• Growing opportunities for players betting low amounts with big win potential

Smart players are already scouting which games and states offer the biggest progressive jackpots, combining savvy bonus use and betting strategies to maximize their chances.

Jackpots like these show that in U.S. online casinos, even a 20-cent spin can change your life forever.