Are you looking for a 400% casino bonus to claim from Ireland?
Competition between online casinos has led to an increase in bonus offers and other incentives. Typically, the higher the casino bonus the rare it is. One of the rare online casino incentives is the 400% bonus which multiplies your initial deposit by four. If you intend to try your luck on an online casino, you should consider starting with a 400% bonus when you sign up.
These are the best 400% Irish casino bonuses available right now!
18+ | Terms & conditions apply.
- ✓ 50 Bonus Spins
- ✓ Aztec Magic Deluxe
- ✓ On your first deposit
18+ | Terms & conditions apply.
- ✓ 100 Bonus Spins
- ✓ Book of Dead
- ✓ Wager x15
18+ | Terms & conditions apply.
- ✓ Up to €500
- ✓ On first deposit
- ✓ Sports Betting
18+ | Terms & conditions apply.
- ✓ Book of Dead
- ✓ 100% up to €100
- ✓ 100 Bonus Spins
18+ | Terms & conditions apply.
- ✓ €700 Casino Bonus
- ✓ 50 Bonus Spins
- ✓ Fruit Zen
18+ | Terms & conditions apply.
- ✓ Book of Fallen
- ✓ 120% up to 300
- ✓ 120 Extra Spins
18+ | Terms & conditions apply.
- ✓ Book of Dead
- ✓ €200 Casino Bonus
- ✓ 50 Extra Spins
18+ | Terms & conditions apply.
- ✓ 100% up to €500
- ✓ 100 Bonus Spins
- ✓ Code: bca7z
18+ | Terms & conditions apply.
- ✓ The Dog House
- ✓ 100% up to €1000
- ✓ 100 Bonus Spins
18+ | Terms & conditions apply. | Doggo Casino.
- ✓ Book of Dead
- ✓ 100% up to €500
- ✓ 200 Bonus Spins
18+ | Terms & conditions apply.
- ✓ Across the universe
- ✓ 100% up to €500
- ✓ 100 Bonus Spins
18+ | Terms & conditions apply.
- ✓ 100% Bonus
- ✓ 200 Bonus-Spins
- ✓ Non-Sticky
18+ | Terms & conditions apply.
- ✓ Across the Universe
- ✓ 100% up to €500
- ✓ 100 Bonus Spins
18+ | Terms & conditions apply. | CasiGo Casino.
- ✓ €5 Minimum Deposit
- ✓ Joker’s Jewels
- ✓ Daily new bonuses
18+ | Terms & conditions apply.
- ✓ Big Bass Keeping it Reel
- ✓ 100% up to €111
- ✓ 33 Extra Spins
18+ | Terms & conditions apply.
- ✓ Miss Cherry Fruits
- ✓ On first deposit
- ✓ Crypto deposits accepted
18+ | Terms & conditions apply.
- ✓ 100% Bonus
- ✓ 200 Bonus Spins
- ✓ Weekly Cashback 15%
18+ | Terms & conditions apply.
- ✓ Tower of Fortuna
- ✓ Koodi: ZAM20
- ✓ Wager-free
18+ | Terms & conditions apply.
- ✓ Up to €500
- ✓ On first deposit
- ✓ Wagering Requirement: 5x
18+ | Terms & conditions apply.
- ✓ On your first deposit
- ✓ Book of Cats
- ✓ Bitcoin accepted
18+ | Terms & conditions apply. | Vulkan Vegas Casino.
- ✓ Book of Dead
- ✓ €300 Casino Bonus
- ✓ 25 Extra Spins
18+ | Terms & conditions apply. | Captain Spins Casino.
- ✓ 260 free spins
- ✓ Skrill
- ✓ 100% bonus
18+ | Terms & conditions apply.
- ✓ Rotiki slot
- ✓ Code: ROTIKI
- ✓ 200% Casino Bonus
18+ | Terms & conditions apply.
- ✓ 100% Match Bonus
- ✓ €10 Min. Deposit
- ✓ Casino Mobile App
18+ | Terms & conditions apply.
- ✓ 100 Free Spins
- ✓ WILD100
- ✓ €10 minimum deposit
18+ | Terms & conditions apply.
- ✓ 100% Match Bonus
- ✓ On first deposit
- ✓ Weekly Cashback
18+ | Terms & conditions apply.
- ✓ 100% Match Bonus
- ✓ Irish Casino
- ✓ Live Casino
18+ | Terms & conditions apply.
- ✓ 200 Bonus Spins
- ✓ 100% Bonus
- ✓ Live Casino
18+ | Terms & conditions apply.
- ✓ 20 Free Spins
- ✓ Non-Sticky
- ✓ Monday 50% Cashback
18+ | Terms & conditions apply.
- ✓ On First Deposit
- ✓ Book of Dead
- ✓ HD Live Casino games
18+ | Terms & conditions apply.
- ✓ 100% Match Bonus
- ✓ On First Deposit
- ✓ Weekly Cashback
18+ | Terms & conditions apply. | Winhalla Casino.
- ✓ Book of Vikings
- ✓ Code: 20FREESPINS
- ✓ €200 Casino Bonus
18+ | Terms & conditions apply.
- ✓ Book of Fallen
- ✓ Code: 20FREESPINS
- ✓ €400 Casino Bonus
18+ | Terms & conditions apply.
- ✓ Up to €600
- ✓ €10 Min. Deposit
- ✓ Crypto Bonus available
18+ | Terms & conditions apply. | Jonny Jackpot Casino.
- ✓ €5 Minimum Deposit
- ✓ Agent Jane Blonde Returns
- ✓ Fast Withdrawals
18+ | Terms & conditions apply.
- ✓ Valley of the Muses
- ✓ 400% 1st Deposit Bonus
- ✓ Up to €400
18+ | Terms & conditions apply.
- ✓ 100 Bonus spins
- ✓ Starburst
- ✓ Minimum Deposit €10
18+ | Terms & conditions apply. | LeoVegas Casino.
- ✓ 200 Spins on Book of Dead
- ✓ Wagering 25x
- ✓ Minimum Deposit €10
18+ | Terms & conditions apply.
- ✓ Up to €500
- ✓ 150 Free Spins
- ✓ Book of Dead
18+ | Terms & conditions apply. | OhMySpins Casino.
- ✓ 200 Bonus Spins
- ✓ Cashback Offers
- ✓ 100% Bonus
18+ | Terms & conditions apply.
- ✓ Book of Dead
- ✓ On First Deposit
- ✓ €10 Min Deposit
18+ | Terms & conditions apply.
- ✓ 40 Bonus Spins
- ✓ Starburst Xxxtreme
- ✓ 100% Bonus
18+ | Terms & conditions apply.
- ✓ 150 Zee spins
- ✓ 500 Zee points
- ✓ 100% bonus
18+ | Terms & conditions apply. | Vegas Lounge Casino.
- ✓ €400 Casino Bonus
- ✓ No wagering requirements
- ✓ €20 Minimum Deposit
18+ | Terms & conditions apply.
- ✓ 200 Bonus Spins
- ✓ 15% Weekly Cashback
- ✓ 100% Deposit Bonus
18+ | Terms & conditions apply. | Twin Casino.
- ✓ 200 free spins
- ✓ Book of Dead
- ✓ Minimum deposit €10
18+ | Terms & conditions apply.
- ✓ 150 Bonus Spins
- ✓ Juicy Fruits 27 Ways
- ✓ Coco Tiki
18+ | Terms & conditions apply. | King Billy Casino.
- ✓ 100 Bonus Spins
- ✓ 100% Bonus
- ✓ No Maximum Win
18+ | Terms & conditions apply.
- ✓ 100 Bonus Spins
- ✓ JockerPro
- ✓ Starburst
18+ | Terms & conditions apply.
- ✓ Up to €5000
- ✓ 50 Bonus Spins
- ✓ Eligible Netent Games
18+ | Terms & conditions apply. | Energy Casino.
- ✓ €10 Deposit
- ✓ Book of Dead
- ✓ Ireland Exclusive
18+ | Terms & conditions apply.
- ✓ €100 Reload Bonus
- ✓ Weekly Tournaments
- ✓ 100% Match Bonus
18+ | Terms & conditions apply. | Party Casino.
- ✓ 20 Bonus Spins
- ✓ Melon Madness Deluxe
- ✓ 100% Match Bonus
18+ | Terms & conditions apply.
- ✓ 50 bonus spins
- ✓ New casino NZ
- ✓ 200% bonus
18+ | Terms & conditions apply.
- ✓ Fast sign up
- ✓ VIP treatment
- ✓ Fast cashouts
18+ | Terms & conditions apply.
- ✓ Up to €2000
- ✓ €20 Min. Deposit
- ✓ Code: ROYAL
18+ | Terms & conditions apply.
- ✓ 25 Free Spins
- ✓ Wild Toro
- ✓ 100% Bonus
18+ | Terms & conditions apply.
- ✓ 100 free spins
- ✓ Book of Dead
- ✓ 100% bonus
18+ | Terms & conditions apply.
- ✓ 10 free spins
- ✓ Starburst
- ✓ 100% bonus
Table of Contents
📌 The best 400% online casino bonuses in one place
You have come to the right place if you are looking for the best casino with a 400% bonus. The objective is to give players the best possible offers from safe and trustworthy casinos. Below you will the best online casinos with a 400% bonus when you make your first deposit. Our team has done all the hard work of testing, going through terms, and reading through player reviews.
📌 Recommended online casinos
Apart from the list provided above, there are other exceptional online casinos with a standard bonus offer. Regardless, the player experience for these platforms is anything but average. Understanding that their platforms have some unique features, these casinos don’t see the need to include huge bonuses. Here is a list of the top recommended casinos:
📌 Safety first
For a casino to be considered on the list of the best 400% bonus offer, it should be highly trustworthy and acclaimed by players. It is our policy to protect the safety of our visitors as well as protect our brand. Our readers need to have a pleasant experience vising one or more of our recommended sites.
A rogue casino can easily be identified by the terms they use on bonuses. Fair casinos have attainable wagering required which are within a reasonable time frame. Other bad casinos are known to payout huge jackpots in increments and this could take years Always be on the lookout and choose wisely.
📌 Casino bonuses in general
Everyone online casino player would love the chance to claim a bonus which can be in form of funds, free spins, or both. Bonuses give players a chance to try their luck on casino games without necessarily spending their actual account balance. This is merit especially if you are new to online casino gaming. Most of the 400% bonus offers are only available on this platform through the links.
📌 Why Zamsino.com?
To build trust with our online casino players, we only list licensed and accredited casinos. As stated above, only casinos that have gone through a strict testing process get on the list. Unlike most of our competitors, we take full responsibility for all online casino operators we promote.
📌 400% casino bonus — Downsides?
One downside of claiming a huge incentive like the 400% casino bonus is it results in more wagering. However, more wagering can be of great benefit depending on what kind of player you are and the situation. Go for bigger bets which have the possibility of yielding huge rewards.
📌 What to keep in mind when claiming a large casino bonus
Most huge bonuses have wagering requirements that have to be fulfilled before you can cash out your winnings. Keep in mind that these conditions vary from one casino to the other. First, check if the bonus has an expiration date. Bonuses can be cancelled if not used within a specified period. Other things to consider include games you can play with the bonus and minimum required deposit.
📌 Best 400% casino bonus sites
All online casinos listed on our platform are top quality with an excellent gaming experience. With that said, some casinos stand out from the list of best 400% bonus casinos. Furthermore, there are personal favourites for different online casino players. Here are our top picks.
📌 FAQ
Due to the huge number of online casinos in the market, it might be difficult to choose the best casino with this bonus. However, our platform provides a list of the best online casinos for you to enjoy the 400% casino bonus.
To activate the 400% bonus, you have to deposit in your account. The amount required to activate the bonus varies from one online casino to the other. Additional wagering requirements can also be applied.
Again, the inclusion of free spins depends on the online casino. We suggest that you go through the terms and conditions of each bonus for you to understand how it works. More often, these bonuses are accompanied by free spins.
📌 Related articles
- Play for free when you claim €50 free no deposit!
- Find yourself a new online casino to play with our list!
- Check out our article and find some 100 free spins no deposit bonuses!
Erik King
Editor in Chief - Zamsino.com
I always loved gambling and probably always will, spending my time reviewing gambling sites to help people save time.
Last updated 24/03/23 by Erik King