Most Popular Online Casinos in July

GratoWin

50 free spins plus a €3,000 welcome bonus! Exclusive VIP programme

Sign-up Bonus:

50

Free Spins

No deposit required

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GratoWin

50 free spins plus a €3,000 welcome bonus! Exclusive VIP programme

  • 50 Free Spins · No deposit required
  • 100% Bonus up to €1,000 with your first deposit (New customers)
  • Bonus Code: GRATO100
  • Bonus available on your second and third deposit
  • Irish 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 GratoWin
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4/5
  • Popularity: This offer has been claimed by 122 visitors so far this month.
  • 24 Game Providers: iSoftBet, NetEnt, Pragmatic Play, SpinOro, Novomatic, Amarix, Red Tiger, PG Soft, Leander Games, KA Gaming, TaDa Gaming, Anakatech, and others.

PlayOJO

Get 50 free spins straight into your account. Everything paid in cash, no wagering requirements!

Welcome offer:

50

Free Spins

Bonus on first deposit

Significant Terms: 18+ · First deposit only · Min. deposit €10 · 50 Free Spins on Book of Dead slot · Each free spin valued at €0.10 · Irregular play may lead to removal of rewards · OJO’s Rewards and Game Play policy applies · Terms & Conditions apply · #Ad ·  Gambling can be addictive. Play responsibly · GambleAware.org 

PlayOJO

Get 50 free spins straight into your account. Everything paid in cash, no wagering requirements!

  • 50 Free Spins with your first deposit (New customers)
  • Irish 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 PlayOJO
  • PlayOJO is available in 3 languages: English, French, and Norwegian
  • Tested and certified by Casino Bonus Center · Rating: 4.1/5
  • Popularity: This offer has been claimed by 88 visitors so far this month.
  • 26 Game Providers: Merkur Gaming, NetEnt, Yggdrasil Gaming, Play n GO, NextGen Gaming, Amaya Cryptologic, Blueprint Gaming, Williams Interactive, GVG Green Valley Games, ELK Studios, Slingo Originals, IGT Interactive, and others.

Rolling Slots

We are here to rock! Get the welcome bonus of 100 free spins plus up to €500!

Welcome offer:

100% Bonus up to

€100

+ 50 Free Spins

Bonus on first deposit

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Rolling Slots

We are here to rock! Get the welcome bonus of 100 free spins plus up to €500!

  • 100% Bonus up to €100 + 50 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Irish 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 Rolling Slots
  • Available in multiple languages, including English
  • Rating: 3.8/5
  • Popularity: This offer has been claimed by 84 visitors so far this month.
  • 72 Game Providers: Red Tiger, Platipus, Leap Gaming, Reevo, iSoftBet, Thunderkick, Skywind, Oryx Gaming, Turbo Games, 3 Oaks Gaming, Zillion, Gamebeat, and others.

EnergyCasino

Enjoy 30 Free Spins plus a €400 Welcome Package

Sign-up Bonus:

30

Free Spins

No deposit required

Significant terms: 18+. 30 Free spins (Spins value: €0.10) on Book of Dead™ slot machine available once, to new customers who register at EnergyCasino using the promotional link. Maximum winnings €100. Spins expire after 7 days. · Terms & Conditions apply  · #Ad ·  Gambling can be addictive. Play responsibly · GambleAware.org 

EnergyCasino

Enjoy 30 Free Spins plus a €400 Welcome Package

  • 30 Free Spins · No deposit required
  • Exclusive No-Deposit Bonus – Available in Ireland and Selected Countries
  • 100% Bonus up to €200 with your first deposit (New customers)
  • Bonus available on your second purchase
  • EnergyCasino offers exclusive bonuses for CasinoBonusCenter visitors
  • Irish 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 EnergyCasino
  • Over €12,259,682 in Jackpots by Games Global
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.4/5
  • Popularity: This offer has been claimed by 68 visitors so far this month.
  • 65 Game Providers: Pragmatic Play, NetEnt, NetGaming, Evoplay, Play n GO, Big Time Gaming, Merkur Gaming, NolimitCity, BF Games, Bally Wulff, Just for the Win, Iron Dog Studio, and others.

Wolfy Casino

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

Sign-up Bonus:

20

Free Spins

No deposit required

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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
  • Irish 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 64 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.

Mummys Gold

Join the Mummy’s Quest – 10 Daily Chances to Win up to €1,000,000!

Welcome offer:

100% Bonus up to

€500

+ 10 Free Spins

Bonus on first deposit

Terms & Conditions apply · #Ad ·  Gambling can be addictive. Play responsibly · GambleAware.org 

Mummys Gold

Join the Mummy’s Quest – 10 Daily Chances to Win up to €1,000,000!

  • 100% Bonus up to €500 + 10 Free Spins with your first deposit (New customers)
  • Irish 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 Mummys Gold
  • Over €12,259,682 in Jackpots by Games Global
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 3.6/5
  • Popularity: This offer has been claimed by 57 visitors so far this month.
  • Game Providers: Games Global, Ready Play Gaming, Evolution Gaming, Pragmatic Play, and OnAir Entertainment

GambleZen Casino

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

Sign-up Bonus:

50

Free Spins

No deposit required

Terms & Conditions apply · #Ad ·  Gambling can be addictive. Play responsibly · GambleAware.org 

GambleZen Casino

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

  • 50 Free Spins · No deposit required
  • Bonus Code: GZ50
  • Exclusive No-deposit Bonus – Available in Ireland and Selected Countries
  • 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
  • Irish 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 55 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.

Top 10 Online Casino Bonuses in Ireland (July 2025)

Expert-Rated Real Money Casinos with Top Bonuses

Looking for the best online casinos in Ireland? Our expert team has tested and reviewed hundreds of real money gambling sites to bring you the top 10 choices for July 2025. LeoVegas, Zodiac Casino, and EnergyCasino 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 IrelandWelcome Bonus

Up to €1,000 + 200 free spins!

Bonus of 100% up to €1,000 + 200 Free Spins

80 chances to be a millionaire for €1

80 Free Spins

30 free spins plus €400!

Bonus of 100% up to €200

Sportsbook · Casino · Awesome bonuses

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

Bonus up to €1,000 + 600 Free Spins

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

€3,625 in Bonuses + 350 Free Spins

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

Get a 200% Bonus up to £200

Bonus of 200% up to £200

€200 bonus + 10 free spins on Vegas

Bonus of 100% up to €200 + 10 Free Spins

Sportsbook, casino, live casino

Bonus of 100% up to €100 + 50 Free Spins

Premier online sportsbook and casino

Bonus of 100% up to €250

* Terms & Conditions Apply · #Ad ·  Gambling can be addictive. Play responsibly · GambleAware.org 

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