Most Popular Online Casinos in August

GambleZen Casino

Discover Nature’s Hidden Treasures with €3,625 in Your Backpack

Welcome offer:

200% Bonus up to

€500

+ 100 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

GambleZen Casino

Discover Nature’s Hidden Treasures with €3,625 in Your Backpack

  • 200% Bonus up to €500 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • GambleZen Casino offers exclusive bonuses for CasinoBonusCenter visitors
  • Croatian players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play instantly in your browser – No installation required
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Live Casino · Play against real croupiers at GambleZen Casino
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.2/5
  • Popularity: This offer has been claimed by 628 visitors so far this month.
  • 86 Game Providers: Platin Gaming, Ezugi, Onlyplay, OctoPlay, Fugaso, Pragmatic Play, LiveGames, XProGaming, KA Gaming, Evolution Gaming, Betsolutions, Playtech, and others.

Wolfy Casino

Enjoy up to €1,000 in Wager-Free Bonuses at Signup!

Sign-up Bonus:

20

Free Spins

No deposit required

Terms & Conditions apply ·  Play responsibly

Wolfy Casino

Enjoy up to €1,000 in Wager-Free Bonuses at Signup!

  • 20 Free Spins · No deposit required
  • Bonus Code: CENTER20
  • 100% Bonus up to €200 with your first deposit (New customers)
  • Bonus Code: WELCOME
  • Bonus available on your second and third deposit
  • Wolfy Casino offers exclusive bonuses for CasinoBonusCenter visitors
  • Croatian players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play instantly in your browser – No installation required
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Live Casino · Play against real croupiers at Wolfy Casino
  • Available in multiple languages, including English
  • Rating: 3.8/5
  • Popularity: This offer has been claimed by 415 visitors so far this month.
  • 108 Game Providers: Play n GO, Gamomat, Atomic Slot Lab, Galaxsys, Nemesis, iSoftBet, Casimi, Blueprint Gaming, Amigo, BGaming, Thunderkick, Oryx Gaming, and others.

KingSpin Casino

Join the Boss’s Inner Circle with a Tripled Starting Balance!

Welcome offer:

200% Bonus up to

€300

+ 50 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

KingSpin Casino

Join the Boss’s Inner Circle with a Tripled Starting Balance!

  • 200% Bonus up to €300 + 50 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Croatian players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play instantly in your browser – No installation required
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Live Casino · Play against real croupiers at KingSpin Casino
  • Available in multiple languages, including English
  • Rating: 3.8/5
  • Popularity: This offer has been claimed by 346 visitors so far this month.
  • 43 Game Providers: Gamomat, BF Games, StakeLogic, BRAGG, Relax Gaming, Leap Gaming, Red Rake, Blue Guru Games, ReelPlay, Skywind, Fantasma, Swintt, and others.

Merlin Casino

Feel the Spell of Big Wins with Wager-Free Bonuses, Free Spins & Daily Promotions

Sign-up Bonus:

20

Free Spins

No deposit required

Terms & Conditions apply ·  Play responsibly

Merlin Casino

Feel the Spell of Big Wins with Wager-Free Bonuses, Free Spins & Daily Promotions

  • 20 Free Spins · No deposit required
  • Bonus Code: SPINS20
  • 120% Bonus up to €240 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Merlin Casino offers exclusive bonuses for CasinoBonusCenter visitors
  • Croatian players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play instantly in your browser – No installation required
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Live Casino · Play against real croupiers at Merlin Casino
  • Online sports betting
  • Available in multiple languages, including English
  • Rating: 3.9/5
  • Popularity: This offer has been claimed by 333 visitors so far this month.
  • 125 Game Providers: Wizard Games, Peter and Sons, Betsolutions, Aviatrix, Yggdrasil Gaming, Eurasian Gaming, Nemesis, SpinLogic, Red Rake, Mr Slotty, UpGaming, Fazi Interactive, and others.

Rollino

Enter the Fairground with an Exclusive Bonus up to €6,000!

Sign-up Bonus:

20

Free Spins

No deposit required

Terms & Conditions apply ·  Play responsibly

Rollino

Enter the Fairground with an Exclusive Bonus up to €6,000!

  • 20 Free Spins · No deposit required
  • Exclusive No-deposit Bonus – Available in Croatia and Selected Countries
  • 200% Bonus up to €3,000 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Rollino offers exclusive bonuses for CasinoBonusCenter visitors
  • Croatian players are accepted
  • Play instantly in your browser – No installation required
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Live Casino · Play against real croupiers at Rollino
  • Online sports betting
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.1/5
  • Popularity: This offer has been claimed by 248 visitors so far this month.
  • 85 Game Providers: 1X2gaming, Platipus, Red Rake, Spinmatic, VIVO Gaming, High 5, Amatic, Pragmatic Play, Playbro, ThunderSpin, Barbara Bang, Thunderkick, and others.

Luxury Casino

Receive Exclusive Bonuses up to €1,000 on your first five deposits!

Welcome offer:

100% Bonus up to

€150

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Luxury Casino

Receive Exclusive Bonuses up to €1,000 on your first five deposits!

  • 100% Bonus up to €150 with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Croatian players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play instantly in your browser – No installation required · Optional game downloads available
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Live Casino · Play against real croupiers at Luxury Casino
  • Over €2,213,105 in Progressive Jackpots
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.2/5
  • Popularity: This offer has been claimed by 200 visitors so far this month.
  • 39 Game Providers: Infinity Dragon, Evolution Gaming, Real Dealer Studios, Stormcraft, Area Vegas, OnAir Entertainment, Alchemy Gaming, Gold Coin Studios, Neon Valley, Oros Gaming, Half Pixel, Almond Gaming, and others.

Casino Kingdom

Get 40 chances to become a millionaire for only €1

Sign-up Bonus:

1

Free Spin

No deposit required

Terms & Conditions apply ·  Play responsibly

Casino Kingdom

Get 40 chances to become a millionaire for only €1

  • 1 Free Spin · No deposit required
  • 40 Free Spins with your first deposit (New customers)
  • Bonus available on your second purchase
  • Croatian players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play instantly in your browser – No installation required · Optional game downloads available
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Live Casino · Play against real croupiers at Casino Kingdom
  • Over €2,213,105 in Progressive Jackpots
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.1/5
  • Popularity: This offer has been claimed by 184 visitors so far this month.
  • 39 Game Providers: SlingShot, Barstruck, Flip Five Gaming, Gameburger Studios, Coin Machine Gaming, Snowborn Games, PearFiction, Pragmatic Play, All For One, Fortune Factory, Games Global, Buck Stakes, and others.

Top 10 Online Casino Bonuses in Croatia (August 2025)

Expert-Rated Real Money Casinos with Top Bonuses

Looking for the best online casinos in Croatia? Our expert team has tested and reviewed hundreds of real money gambling sites to bring you the top 10 choices for August 2025. 888Casino, Zodiac Casino, and Betway lead our rankings, standing out for their extensive selection of high-paying slots, immersive live dealer tables, exclusive bonuses, and lightning-fast payouts.

Browse our expert-ranked list below and claim your exclusive welcome bonuses today!

Online Casinos CroatiaWelcome Bonus

Get a Free Spin on the Wish Wheel

Bonus of 100% up to €1,000

80 chances to be a millionaire for €1

80 Free Spins

Premier Online Sportsbook & Casino

Bonus of 100% up to €250

Casino Fun, Beach Vibes, Gangster Style

Bonus of 225% up to €1,000 + 100 Free Spins

40 chances to become a millionaire for €1

40 Free Spins

Get 150 chances to become a millionaire

150 Free Spins

Claim up to €500 in Bonuses

Bonus of 100% up to €100 + 180 Free Spins

The biggest jackpots · 10 daily free spins

Bonus of 100% up to €400 + 10 Free Spins

€3,625 in Bonuses + 350 Free Spins

Bonus of 200% up to €500 + 100 Free Spins

Get 40 Spins for Just €1

40 Free Spins

* 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 Croatian players to ensure you get the biggest sign-up bonuses, top-tier games, and the most rewarding loyalty programs.