Top casinos with bonuses on second deposit · Page 8 of 23

21Prive Casino

Giant Welcome Package of $1,300 in bonuses + 200 Free Spins!

Welcome offer:

100% Bonus up to

$300

+ 200 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

21Prive Casino

Giant Welcome Package of $1,300 in bonuses + 200 Free Spins!

  • 100% Bonus up to $300 + 200 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • New Zealand 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 21Prive Casino
  • Over $16.8 Million in Jackpots by Games Global
  • 21Prive Casino is available in 2 languages: English and Finnish
  • Tested and certified by Casino Bonus Center · Rating: 3.9/5
  • 112 Game Providers: Reel Time Gaming, Aurum, Games Global, Buck Stakes, Leap Gaming, Revolver Gaming, Rabcat, Print Studios, NetEnt, Tom Horn, G Games, Gacha Studios, and others.

Lucky Nugget

Unlock Big Wins with Just $1!

Welcome offer:

40

Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Lucky Nugget

Unlock Big Wins with Just $1!

  • 40 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • New Zealand 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 Lucky Nugget
  • Over $16.8 Million in Jackpots by Games Global
  • Lucky Nugget is available in 3 languages: English, Spanish, and French
  • Tested and certified by Casino Bonus Center · Rating: 3.9/5
  • Game Providers: Games Global, Evolution Gaming, OnAir Entertainment, and Pragmatic Play

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
  • New Zealand 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 191 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.

Blackjack Ballroom

Step into the Ballroom with a $500 Bonus Boost Reserved for You

Welcome offer:

100% Bonus up to

$150

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Blackjack Ballroom

Step into the Ballroom with a $500 Bonus Boost Reserved for You

  • 100% Bonus up to $150 with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • New Zealand 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 Blackjack Ballroom
  • Over $3.7 Million in Progressive Jackpots
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 3.9/5
  • 39 Game Providers: Gameburger Studios, Snowborn Games, Oros Gaming, Switch Studios, Fortune Factory, SpinPlay Games, Coin Machine Gaming, Buck Stakes, Pragmatic Play, Hammertime Games, All For One, Foxium, and others.

Hell Spin

Welcome to Hell! Ignite Your Gameplay with NZ$1,200 in Bonuses + 150 Free Spins!

Sign-up Bonus:

15

Free Spins

No deposit required

Terms & Conditions apply ·  Play responsibly

Hell Spin

Welcome to Hell! Ignite Your Gameplay with NZ$1,200 in Bonuses + 150 Free Spins!

  • 15 Free Spins · No deposit required
  • Bonus Code: HELLSPIN15
  • 100% Bonus up to $300 NZD + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Hell Spin offers exclusive bonuses for CasinoBonusCenter visitors
  • New Zealand 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 Hell Spin
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 3.9/5
  • 71 Game Providers: Hacksaw Gaming, Genii, Games Global, LiveGames, Evolution Gaming, Spinomenal, Evoplay, Platipus, UpGaming, NetGame, Eurasian Gaming, Leander Games, and others.

AllStarz Casino

Start Your Gaming Journey with a Stellar $2,100 Bonus + 300 Free Spins!

Welcome offer:

100% Bonus up to

$525 NZD

+ 100 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

AllStarz Casino

Start Your Gaming Journey with a Stellar $2,100 Bonus + 300 Free Spins!

  • 100% Bonus up to $525 NZD + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • New Zealand 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 AllStarz Casino
  • Over $16.8 Million in Jackpots by Games Global
  • Available in multiple languages, including English
  • Rating: 3.9/5
  • 70 Game Providers: Pragmatic Play, Thunderkick, SpadeGaming, Booming Games, Felix Gaming, Playson, 1X2gaming, Fugaso, Playpearls, Leap Gaming, Red Tiger, Novomatic, and others.

TombRiches Casino

Explore the splendors of the Ancient World with 200 free spins and up to $3,000 in bonuses!

Welcome offer:

100% Bonus up to

$750 NZD

+ 100 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

TombRiches Casino

Explore the splendors of the Ancient World with 200 free spins and up to $3,000 in bonuses!

  • 100% Bonus up to $750 NZD + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • New Zealand 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 TombRiches Casino
  • TombRiches Casino is available in 3 languages: German, English, and French
  • Tested and certified by Casino Bonus Center · Rating: 3.9/5
  • 93 Game Providers: BGaming, Play n GO, Belatra Games, Gamebeat, Felix Gaming, Oryx Gaming, Betsolutions, Spinmatic, 1spin4win, 5Men Games, RubyPlay, Skywind, and others.

Top 10 Online Casino Bonuses in New Zealand (October 2025)

Expert-Rated Real Money Casinos with Top Bonuses

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

Curious which brands stand out among New Zealand 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. Imperial Wins – Ranked as the #1 most popular online casino among New Zealand players this month. Check why Imperial Wins is so popular in New Zealand
  2. BettyWins – Holds the second spot in popularity with New Zealand players for October 2025. See Current Bonuses at BettyWins
  3. Rich Palms – Currently ranked #3 among New Zealand’s most played online casinos. View Available Promotions at Rich Palms

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

Online Casinos New ZealandWelcome Bonus

80 chances to be a millionaire for $1

80 Free Spins

Triple-Powered Welcome Bonus

Bonus of 100% up to $200 + 400 Free Spins

Unleash your inner hero!

Bonus of 150% up to $750

$2,500 NZD Welcome Bonus + 250 Free Spins!

Bonus of 100% up to $500 NZD + 100 Free Spins

New Zealand Casino – 50 Spins for just $1

50 Free Spins

Unleash the Joker's fun!

Bonus of 225% up to $1,800 NZD + 200 Free Spins

40 chances to become a millionaire for $1

40 Free Spins

Up to $2,000 + 150 Free Spins

Bonus of 100% up to $1,000 + 50 Free Spins

Get a Free Spin on the Wish Wheel

Bonus of 100% up to $1,000

$200 bonus + 10 free spins on Vegas

Bonus of 100% up to $200 + 10 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 New Zealand players to ensure you get the biggest sign-up bonuses, top-tier games, and the most rewarding loyalty programs.