Most Popular Online Casinos in October

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
  • Estonian 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 86 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.

ReloadBet

Online Sports and Casino Betting · €1,000 Welcome Bonus!

Welcome offer:

100% Bonus up to

€300

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

ReloadBet

Online Sports and Casino Betting · €1,000 Welcome Bonus!

  • 100% Bonus up to €300 with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • ReloadBet offers exclusive bonuses for CasinoBonusCenter visitors
  • Estonian 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 ReloadBet
  • Online sports betting
  • Over €16 Million in Jackpots by Games Global
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 3.9/5
  • Popularity: This offer has been claimed by 69 visitors so far this month.
  • 32 Game Providers: Play n GO, 3 Oaks Gaming, iSoftBet, Salsa Technology, Yggdrasil Gaming, Evolution Gaming, Red Tiger, Spribe, BRAGG, Blueprint Gaming, Playtech, Vibra Gaming, 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 Estonia 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
  • Estonian 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 55 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.

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
  • Estonian 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 51 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.

KikoBet

Unlock a €500 Welcome Package – Your Gateway to Premier Casino and Sports Betting Thrills!

Welcome offer:

100% Bonus up to

€200

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

KikoBet

Unlock a €500 Welcome Package – Your Gateway to Premier Casino and Sports Betting Thrills!

  • 100% Bonus up to €200 with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • KikoBet offers exclusive bonuses for CasinoBonusCenter visitors
  • Estonian 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 KikoBet
  • 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 39 visitors so far this month.
  • 26 Game Providers: Pragmatic Play, Spribe, Vibra Gaming, Salsa Technology, Evolution Gaming, iSoftBet, Yggdrasil Gaming, Casino Technology, Playtech, Gamzix, Play n GO, Foxium, and others.

Jackpot Capital

100 free spins with no deposit required plus a 250% bonus on first deposit!

Sign-up Bonus:

100

Free Spins

No deposit required

Terms & Conditions apply ·  Play responsibly

Explore bonuses at Jackpot Capital

Jackpot Capital

100 free spins with no deposit required plus a 250% bonus on first deposit!

  • 100 Free Spins · No deposit required
  • Bonus Code: DESTINY
  • 250% Bonus up to $2,500 + 50 Free Spins with your first deposit (New customers)
  • Bonus Code: THEJACKPOT
  • Bonus available on your second and third deposit
  • Jackpot Capital offers exclusive bonuses for CasinoBonusCenter visitors
  • Estonian players are accepted
  • Today’s Biggest Jackpot: $1,713,640 · Game: Aztec's Millions
  • 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 Jackpot Capital
  • Jackpot Capital is available in English
  • Tested and certified by Casino Bonus Center · Rating: 3.4/5
  • Popularity: This offer has been claimed by 34 visitors so far this month.
  • Game Providers: SpinLogic and Visionary iGaming

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
  • Estonian 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 33 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.

Top 10 Online Casino Bonuses in Estonia (October 2025)

Expert-Rated Real Money Casinos with Top Bonuses

Looking for the best online casinos in Estonia? Our expert team has tested and reviewed hundreds of real money gambling sites to bring you the top 10 choices for October 2025. JooCasino, 888Casino, and Zodiac Casino 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 Estonia

Curious which brands stand out among Estonian 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:

  1. LSbet – Ranked as the #1 most popular online casino among Estonian players this month. Check why LSbet is so popular in Estonia
  2. Rollino – Holds the second spot in popularity with Estonian players for October 2025. See Current Bonuses at Rollino
  3. Casino Classic – Currently ranked #3 among Estonia’s most played online casinos. View Available Promotions at Casino Classic

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

Online Casinos EstoniaWelcome Bonus

Open Sunken Chests for €6,000 in Rewards!

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

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

The best games, all in a safe place

20 Free Spins

50 Free Spins for New Players!

Bonus of 100% up to €300

Exclusive 200% Bonus

Bonus of 200% up to €200

Casino Fun, Beach Vibes, Gangster Style

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

Get 150 chances to become a millionaire

150 Free Spins

Bonus up to €3,500 + 1,000 Free Spins

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

Get ready for a wild ride!

Bonus of 100% up to $5,000

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