Latest Casino Bonuses for December 2025
Terms & Conditions apply · Play responsibly
BCgame
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15 Dec 2025
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Rockstar Casino
Play to the Rhythm of Big Wins – Get €5,000 in Bonuses and 400 Free Spins
12 Dec 2025
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GoldenPlay
Premium Casino & Sportsbook with Exclusive Welcome Bonuses
3 Dec 2025
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Gratorama
€7 Free for New Players + a 100% First Deposit Boost
1 Dec 2025
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Jettbet
A High-Flying Casino and Sportsbook with 9,000+ Games and Exclusive Promotions
24 Nov 2025
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GambleZen Casino
Discover Nature’s Hidden Treasures with €3,625 in Your Backpack
21 Nov 2025
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Spellwin
Unleash the Magic with €3,500 in Bonuses + 350 Free Spins and Daily Promotions
18 Nov 2025
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Top 10 Online Casino Bonuses in Portugal (December 2025)
Expert-Rated Real Money Casinos with Top Bonuses
Looking for the best online casinos in Portugal? Our expert team has tested and reviewed hundreds of real money gambling sites to bring you the top 10 choices for December 2025. GambleZen Casino, 888Casino, and KikoBet lead our rankings, standing out for their extensive selection of high-paying slots, immersive live dealer tables, exclusive bonuses, and lightning-fast payouts.
Most Popular Online Casinos in Portugal
Curious which brands stand out among Portuguese players right now? Here are the top 3 most popular online casinos in the last 30 days—each trusted for their excellent bonuses, diverse games, and reliable payouts:
- GambleZen Casino – Ranked as the #1 most popular online casino among Portuguese players this month. Check why GambleZen Casino is so popular in Portugal
- LSbet – Holds the second spot in popularity with Portuguese players for December 2025. See Current Bonuses at LSbet
- KikoBet – Currently ranked #3 among Portugal’s most played online casinos. View Available Promotions at KikoBet
Browse our expert-ranked list below and claim your exclusive welcome bonuses today!
| Online Casinos Portugal | Welcome Bonus |
|---|---|
GambleZen Casino €3,625 in Bonuses + 350 Free Spins | Bonus of 200% up to €500 + 100 Free Spins |
888Casino Ganhe até 1.000€ no bónus de boas-vindas | Bonus of 100% up to €1,000 |
KikoBet 20 Free Spins for New Players! | Bonus of 100% up to €200 |
Mundoapostas Exclusive free bonuses for Portuguese players! | Bonus of 100% up to €500 |
iWildCasino Unleash the Joker's fun! | Bonus of 225% up to €1,000 + 200 Free Spins |
OptimBet 30 Free Spins for Portuguese Players | Bonus of 100% up to €200 |
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BCgame Bonuses, Free Bets, and Rakeback Rewards | Bonus of 180% up to $20,000 |
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* Terms & Conditions Apply · Play responsibly
With nearly two decades of experience in the industry, CasinoBonusCenter.com has been analyzing and comparing online casinos since 2006. Our dedicated team of professionals has handpicked the most trusted casinos for Portuguese players to ensure you get the biggest sign-up bonuses, top-tier games, and the most rewarding loyalty programs.
