400% Welcome Bonus

400% Deposit Casino Welcome Bonus NZ 2023

If you are searching for bonus after bonus, then welcome to Casino Martini! Here our expert team reviews and test all casino bonuses to ensure you receive the most out of your opening deposits. Casino bonuses that offer up to 400% your deposit amount have been favoured by punters since the birth of online gambling.

Having the ability to quadruple your deposited amount is exciting for both new and seasoned casino fanatics. These bonuses often come in the form of deposit match bonuses whereby a player can receive a percentage of their deposit back in bonus funds up to their 4th deposit. The percentage is broken down, which allows players to wager for longer with more and more opportunities of winning big at an online casino.

Our veteran research team comprised of gambling experts from all walks of life presents its comprehensive findings within the NZ gambling industry. Once you are finished reading, you will be a 400% bonus expert ready to claim big and win even bigger!

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Terms & conditions apply
T&Cs apply. Click “Play Now” for more details. You must be 18+. Please gamble responsibly!
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What is a 400% Deposit Casino Welcome Bonus?

Are you looking to receive a bigger bang for your buck? 400% casino bonuses do exactly that. We are all too used to claiming 100% and 200% casino bonuses on arrival to new online casinos. The abundance of these casino deposit bonuses often makes us grab the first one we discover.

Here at Casino Martini, we block out the noise and bring you the best 400% casino bonus offer in New Zealand to skyrocket your gambling experience onto another level. These bonuses are perfect for all big spenders who require a boost in their bankroll. 400% casino deposit bonuses can be found within a welcome bonus or within a VIP department.

Join us here as we uncover the top 400% match bonuses for you to claim more bonus money than imaginable. Let’s dive right in!

What is a 400% Deposit Casino Welcome Bonus?

Casino bonuses are the main attraction for new players joining new casino sites. The 400% bonus creates a casino experience like no other. The online casino will match the deposit made by the player by 400%.

Here is a quick example, If a casino presents a first deposit welcome bonus of 400% up to $100, then by depositing the full amount of $100, you will receive $400 in bonus funds. These bonus funds can be wagered once the initial $100 first deposit amount is enjoyed. In total, players will have a huge $500 to utilize at the casino at their leisure.

400% deposit bonus offers can also be divided up over a number of days and even deposits. Make sure to check the deposit deal before registering an account. This style of bonus is great for players who want their bonus to last even longer. Players have the same outcome but can claim it over a number of days.

How to Find the Best 400% Deposit Casino Welcome Bonus

The quick answer is to write here at Casino Martini. We provide the most up-to-date casino bonuses available in New Zealand. In order to pick the best welcome bonus offers, we test, rate, and review each offer before it enters our casino top list.

Every player will have different tastes when it comes to the perfect casino bonus for them. For this reason, it is important to check through all terms and conditions to ensure the bonus suits your gameplay. Also, take a deeper look into the casino itself, and check out the variety of casino games, VIP section, overall gaming experience, and even withdrawal methods and speeds.

Once you have found the perfect slot site or online casino site and 400% deposit bonus, follow the next section to claim your new 400% casino bonus.

How to Claim a 400% Casino Welcome Package?

The process for claiming a 400% casino bonus is much the same as for any other welcome bonus, with one difference… the bonus amount is substantially larger! Whether you are claiming a first deposit bonus or free spins welcome bonus, this process can be replicated for each.

Here is an uncomplicated step-by-step guide for you to claim your next casino bonus offer in no time.

  1. Head over to the casino bonus of your choice and hit the “Claim Bonus” button right here at Casino Martini.
  2. Once you are redirected to the main casino site page, hit the Sign-up button.
  3. Fill out the industry-standard registration forms with basic information such as name, email, and password creation.
  4. Verify your identity through email. Failure to do so can lead to account suspension and even loss of funds.
  5. Now that your account is live navigate to the cashier section and select your deposit method.
  6. Key in the amount you wish to deposit and confirm.

Once you hit confirm your deposit with transfer instantly into your casino account. The bonus money will also be credited to your account balance. The bonus terms state players must use their initial deposited amount before accessing the bonus amount.

These offers can be claimed even with the minimum deposit amount. Online casinos in NZ have made it accessible for all players to claim a casino bonus no matter their bankroll limits.

Bonuses for Existing Players

The fun doesn’t end after the first deposit bonus has dried up. Players within VIP clubs are often rewarded with 400% casino bonus offers. To join a VIP club, players simply have to deposit and wager at an online casino. For every dollar wagered, a loyalty point is received. These can then be converted into huge bonuses such as 400% casino bonus offers.

Casinos also provide reload bonuses that allow players the opportunity to gain back the casino bonus. Choosing the type of casino bonus permits players to make another deposit and enjoy the fun of a 400% casino bonus all over again.

Pros & Cons of 400% Deposit Casino Welcome Bonuses

Every casino deposit bonus available in New Zealand will have a certain set of pros and cons associated with that offer. These benefits and negatives are useful to understand and can help you avoid some unwanted terms within 400% casino bonuses.

Our expert team here at Casino Martini has listed the pros and cons linked to 400% match bonus offers.


The pros may seem obvious, but they are worth mentioning. The size of the bonus is one of the main draws to these offers. Who wouldn’t want to receive 4x extra their deposit? Here are some of the other pros of claiming a deposit offer.

  • Allows players to wager in a risk-free manner.
  • Easy to claim.
  • Perfect for highrollers and also accessible for low rollers.
  • Often comes with bonus spins attached to welcome bonus.
  • It gives players more time to wager on their favourite casino slots.
  • Casinos have a variety of deposit methods.

These advantages, time and time again, prompt new players to join casino sites that offer these magnificent bonuses. Check out our casino top list if you are ready to dive into your next 400% casino bonus.


Although the pros heavily outweigh the cons of the bonus offer, there are a few point s worth mentioning. Take a look below and get a heads up on your next 400% casino bonus offer.

  • The wagering requirements can be significantly higher within these casino deals.
  • Examine the expiry date on the bonus. Make sure you have enough time to wafer through your winning before a withdrawal can be processed. Sometimes this timeframe is quite short, so it’s vital to check.

These two factors will guarantee the 400% bonus you choose is suitable for your gameplay. Look into the terms and conditions of the bonus and remember to gamble responsibly.

Gambling can be addictive, if you think you have a problem, seek help.

Terms & Conditions - What to Expect

Terms & Conditions – What to Expect

All casino offers come with a set of terms and conditions attached. Players must abide by these terms in order to withdraw their bonus winnings with ease. This area should be of significant importance for all new players entering the online gaming world.

Every casino bonus will differ slightly within its own rules, yet the core concepts will always remain. Let’s break these down to give you a better understanding of your next promotion offer.

Wagering Requirements

The wagering requirements are the first figure to check. This will determine how many times you have to wager through your casino bonus funds before a withdrawal can be made. The lower the figure, the better the chances of chasing out on your bonus.

Expiry Date

Bonuses don’t last forever, each bonus will have a set allotted time to wager the bonus or free spins. This time frame can range anywhere from 24 hours up to 90 days, so be sure to check.

Minimum & Maximum Amounts

400% casino bonuses are accessible to all players, the minimum deposit amount is usually set at the min casino standard of around $20. This allows all bankrolls to join and claim the bonus amount within their budget. The max amount will be hard to miss, this will be the first figure to catch your eye at any 400% casino.

Free Spins (If Applicable)

Free spins are the sidekick to nearly every welcome bonus offer. They also have an expiry date, wagering requirements and are allocated to a specific slot game or even a variety of games from certain software providers. Check out the associated casino games before claiming any free spins to ensure they are to our fancy.

Frequently Asked Questions

Do all casinos offer a 400% deposit casino welcome bonus?

Unfortunately not, there are many casino bonuses offered by the online casino, from 100% bonuses to no wager casino bonuses. Here at Casino Martini, we present a variety of bonuses to allow all our readers to be spoilt for choice.

What is the wagering requirement of a 400% bonus?

Every 400% bonus playthrough requirement will differ between bonuses. This ranges anywhere from 30x to 80x. To quickly check this figure, hit more details beside your favourite casino bonus on our top list.