Best Online Casinos NZ (August 2025)

Top Casino Sites in New Zealand

If you’re looking for the best online casino in NZ, then look no further. We’ve tested hundreds of top casino sites and come out with a list of the top-tier ones. These sites tick all of the boxes, safe, fair, bursting with bonuses, speedy on payments, and with enormous game catalogues.

If you want to enjoy the best online pokies around, learn how to sign up to a new online casino, understand what bonus terms mean, or just start playing on your mobile, we can help you with all of it here.

Best Online Casinos New Zealand – August 2025

Gamdom Logo

Gamdom

4.5/5

15% boost for 7 days

18+. New Players Only. GamblingTherapy.org

Kiwi's Treasure Logo

Deposit $1 Get 50 Spins

1st Deposit – 50 Bonus Spins on Blazing Bison™ Gold Blitz™ (Min deposit $1) • 2nd Deposit – 80 Bonus Spins on Atlantean Treasures Mega Moolah (Min deposit $5) • 3rd / 4th / 5th / 6th Deposit – Match Bonus up to $1000 (Min deposit $10) • New customers only • Wagering & Terms apply • GamblingTherapy.org

Rolletto Logo

Rolletto

4.8/5

150% bonus up to €/$500 + 200 Free Spins

18+. Bonus will be granted to deposits ranging from 20 £/€/$ to 500 £/€/$. Deposits between 500 £ /€/$ and 1000 £/€/$ will be awarded a 100% bonus. GamblingTherapy.org

Lucky Nugget Casino Logo

Deposit $1 Get 25 Spins

18+. New Players Only. 1st Deposit – 25 Bonus Spins on Arena of Gold (Min deposit $1) • 2nd–4th Deposits – 225 Bonus Spins on Atlantean Treasures Mega Moolah (Min deposit $5) • 5th Deposit – 150% Match Bonus up to $200 (Min deposit $10) • New customers only • Wagering & Terms apply • GamblingTherapy.org

KatsuBet Casino Logo

KatsuBet

4.6/5

100% up to 1.5 BTC + 100 Free Spins

18+. New Players Only. GamblingTherapy.org

Mirax Casino Logo

Mirax

4.8/5

Up to 5 BTC + 150 Free Spins

18+. New Players Only. GamblingTherapy.org

7BitCasino Logo

50 Free Spins For $1 Deposit (Code 1BIT)

18+. New Players Only. GamblingTherapy.org

Casino Days Logo

100% Up To $500 + 100 Free Spins

18+ Terms and Conditions Apply. BeGambleAware.org GamblingTherapy.org

Hell Spin Logo

Hell Spin

4.7/5

Up To $1200 + 150 Free Spins

18+. Please Play Responsibly. Terms and Conditions Apply. BeGambleAware.org GamblingTherapy.org

Spin Casino Logo

$1000 In Deposit Bonuses

1st Deposit – Match Bonus up to NZ$400 • 2nd / 3rd Deposit – Match Bonus up to NZ$300 • New customers only • Min deposit NZ$10 • 70x wagering • Terms apply • BeGambleAware.orgGamblingTherapy.org

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Claudia

Content Writer

Fact Checked By: Jamie

Claudia is a seasoned content writer with extensive experience in the online casino industry. Working for Hideous Slots, she contributes sharp, informative content that reflects a deep understanding of what matters to players. Her work is always focused on clarity and reader value, whether she's comparing bonuses or dissecting complex features.