A 400% Casino Bonus means the casino will give you four times your deposit as a bonus. UK players look for such a big welcome package because it allows them to play with more money and try different games without risking too much of their own cash. However, players should always check the wagering requirements and terms before claiming this offer. Read about other details of the 400% Casino Bonus and find a list of the best gambling sites that offer it.
Full List of 400% Casino Bonuses for April 2025
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Casino
Casino Bonus
Features
#1 Top Rated Casinos
- Big Welcome Package
- Betting
- 24/7 support
Freshbet Casino
100% UP TO 1500 EUR + EXCLUSIVE 33FS
- Big Welcome Package
- Betting
- 24/7 support
- SportBooks
- Low Wager
- Accepts Crypto
Donbet Casino
150% up to 750£ + 50 FS
- SportBooks
- Low Wager
- Accepts Crypto
- Sports betting
- Huge free spins bonus
- 24/7 support
Magic Win Casino
400% UP TO £2000 + 145 FS
- Sports betting
- Huge free spins bonus
- 24/7 support
4
- Many Game Providers
- Big Welcome Package
- SportsBook
GoldenLion Casino
400% BONUS + 100 FS ON FIRST DEPOSIT
- Many Game Providers
- Big Welcome Package
- SportsBook
5
- Thousands Of Slots And Live Dealer Games
- Bigger Bonuses and Better Rewards
- 24/7 Premium Support
iWin Fortune Casino
400% up to €2000 + 145 FS
- Thousands Of Slots And Live Dealer Games
- Bigger Bonuses and Better Rewards
- 24/7 Premium Support
6
- Instant withdrawals
- Daily lucky promotions
- SportBooks
SpinsHeaven Casino
400% up to €2000 + 135 FS
- Instant withdrawals
- Daily lucky promotions
- SportBooks
7
- Highest Odds
- £500 Sports Cashback
- 24/7 Live Support
Goldenbet Casino
100% UP TO £500
- Highest Odds
- £500 Sports Cashback
- 24/7 Live Support
8
- Fast Cash Out
- Loyalty Program
- Secure and Fair Gaming
Jackpot Raider Casino
£450 + 250 FS
- Fast Cash Out
- Loyalty Program
- Secure and Fair Gaming
9
- Great Variety Of Entertainment
- Trusted Casino
- Easy To Use
MyStake Casino
150% UP TO £200 or 100% UP TO £1000 + Exclusive 10 FS
- Great Variety Of Entertainment
- Trusted Casino
- Easy To Use
10
- Fast Cash Out
- Cashback
- Daily Bonus
Doctor Spins Casino
500% Up To £2500 + 50 Spins
- Fast Cash Out
- Cashback
- Daily Bonus
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- Fast Payments
- Exclusive VIP Perks
- Big deposit bonus
KatanaSpin Casino
€450 + 250 FS
- Fast Payments
- Exclusive VIP Perks
- Big deposit bonus
12
- Fast Payments
- Exclusive VIP Perks
- Big deposit bonus
MadCasino
777% UP TO 7500£
- Fast Payments
- Exclusive VIP Perks
- Big deposit bonus
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- Unique bonus system
- Simple to use website
- Game shows
Betti Casino
150% up to €750 + 150 FS
- Unique bonus system
- Simple to use website
- Game shows
14
- Secure and fair gaming
- Unique bonus system
- Low wager
Casino Ways
100% up to £300 + 100 FS
- Secure and fair gaming
- Unique bonus system
- Low wager
#
Casino
Casino Bonus
Features
#1 Top Rated Casinos
- Big Welcome Package
- Betting
- 24/7 support
Freshbet Casino
100% UP TO 1500 EUR + EXCLUSIVE 33FS
- Big Welcome Package
- Betting
- 24/7 support
- SportBooks
- Low Wager
- Accepts Crypto
Donbet Casino
150% up to 750£ + 50 FS
- SportBooks
- Low Wager
- Accepts Crypto
- Sports betting
- Huge free spins bonus
- 24/7 support
Magic Win Casino
400% UP TO £2000 + 145 FS
- Sports betting
- Huge free spins bonus
- 24/7 support
4
- Many Game Providers
- Big Welcome Package
- SportsBook
GoldenLion Casino
400% BONUS + 100 FS ON FIRST DEPOSIT
- Many Game Providers
- Big Welcome Package
- SportsBook
5
- Thousands Of Slots And Live Dealer Games
- Bigger Bonuses and Better Rewards
- 24/7 Premium Support
iWin Fortune Casino
400% up to €2000 + 145 FS
- Thousands Of Slots And Live Dealer Games
- Bigger Bonuses and Better Rewards
- 24/7 Premium Support
6
- Instant withdrawals
- Daily lucky promotions
- SportBooks
SpinsHeaven Casino
400% up to €2000 + 135 FS
- Instant withdrawals
- Daily lucky promotions
- SportBooks
7
- Highest Odds
- £500 Sports Cashback
- 24/7 Live Support
Goldenbet Casino
100% UP TO £500
- Highest Odds
- £500 Sports Cashback
- 24/7 Live Support
8
- Fast Cash Out
- Loyalty Program
- Secure and Fair Gaming
Jackpot Raider Casino
£450 + 250 FS
- Fast Cash Out
- Loyalty Program
- Secure and Fair Gaming
9
- Great Variety Of Entertainment
- Trusted Casino
- Easy To Use
MyStake Casino
150% UP TO £200 or 100% UP TO £1000 + Exclusive 10 FS
- Great Variety Of Entertainment
- Trusted Casino
- Easy To Use
Table of Contents
- ► Full List of 400% Casino Bonuses for April 2025
- ► Overview of Casinos with 400% Deposit Bonus
- ► Pros and Cons of 400% Casino Bonus
- ► How We Chose the Top Casinos with 400% Bonuses in the UK
- ► 5 Top Online Casinos with 400% Bonus
- ► Why Do Casinos Give a 400% Deposit Bonus?
- ► Different 400% Deposit Bonus Offers at Online Casinos
- ► Things to Consider Before You Claim a Casino 400% Bonus
- ► How to Claim a 400% Casino Bonus UK
- ► Games to Play with 400% Online Casino Bonus
- ► How to Cash Out Winnings from a 400% Welcome Bonus
- ► Tips for Winning with a 400% Casino Bonus
- ► 400% Deposit Bonus Casinos FAQ
Overview of Casinos with 400% Deposit Bonus
| Feature | Description |
|---|---|
| 🔵Payment Methods | Visa, Mastercard, PayPal, Skrill, Bitcoin |
| 🟢Welcome Package | 400% Deposit Bonus + Free Spins |
| 🟡Other Bonuses | Cashback, Reload Bonuses, VIP Rewards |
| 🔵Security Features | SSL Encryption, Two-Factor Authentication |
| 🟢Licensing Authority | MGA, Curacao |
| 🔵Games Available | Slots, Table Games, Live Casino |
| 🟣Sports for Betting | Football, Tennis, Basketball, eSports |
| 🟡Mobile Compatibility | Android, iOS, Windows |
| 🔵Wagering Requirements (Average) | 40x on bonus amount |
| 🟢Customer Support | 24/7 Live Chat, Email, Phone |
| 🟣Withdrawal Speed | 24-7hours, depending on the method |
| 🟡Accepted Currencies | GBP, EUR, USD, BTC |
| 🟢Responsible Gambling | Deposit Limits, Self-Exclusion, Reality Checks |
Pros and Cons of 400% Casino Bonus
For:
- Generous rewards that boost your initial deposit significantly.
- Great way to explore more games with extra funds.
- Suitable for both new and experienced players.
- Increases chances to win without risking too much personal money.
- Often includes free spins as part of the welcome package.
Against:
- Strict wagering requirements can make it harder to withdraw winnings.
- Some games may have restrictions on bonus usage.
- High deposit minimums may be required to claim the bonus.
- Bonus funds may expire quickly if not used within a set period.
How We Chose the Top Casinos with 400% Bonuses in the UK
We use a simple but thorough process to select the top casinos. Here’s what we check:
Licence and Reputation
The casino must have a valid gaming licence, like one from Curaçao, to prove it operates legally. We also check reviews from players and experts to see if the casino is trustworthy and popular.
Payment Methods
Casinos should offer various payment options, such as debit/credit cards, e-wallets (like Skrill or PayPal), bank transfers, and cryptocurrencies like Bitcoin.
Game Selection
A wide range of games, including slots, table games, and live dealer options, from leading software providers like NetEnt or Pragmatic Play. Casinos with exclusive or high-RTP games get extra points from us.
User-Friendly Design
A website or app that works smoothly on any device, including PCs, laptops, smartphones, and tablets. Gaming should be simple and enjoyable on any device.
Customer Support
Casinos with multiple support options, like chat, email and phone, score higher.
Bonuses and Promotions
We look for generous welcome bonuses (400% and above), no-deposit offers, free spins, and loyalty rewards.
5 Top Online Casinos with 400% Bonus
Here are the top five casinos with 400% Bonus. These sites meet all our standards, and we truly enjoyed playing there.
Final Countdown Casino
Founded in 2019, Final Countdown Casino is owned by Charles Partners and operates under a Curacao license. This gambling platform combines classic arcade-style visuals with modern online gaming.
- Welcome Bonus: 400% up to £1000 with 40x wagering requirements.
- Over 3,500 games, including slots, table games, and live casino.
- Sports Betting: Covers football, tennis, basketball, eSports, and more.
- Supports Visa, Mastercard, Bitcoin, Ethereum, Litecoin, and USDT.
- Deposits from £10, withdrawals within 24-72 hours.
- Other Bonuses & Promotions include Welcome Sports Free Bet, Reload Bonus, Daily 10% Cashback, Crypto Bonus, Weekly Free Spins on selected slots.
- Security Features: SSL encryption and responsible gambling tools like self-exclusion and deposit limits.
- Customer Support: 24/7 via live chat and email.
- Easy navigation on both desktop and mobile versions.
- Quick sign-up process without lengthy verification.
- Responsible Gambling: Features like self-exclusion and time-out options to promote safe play.
Winstler Casino
Winstler Casino, established in 2022, is owned and operated by Non Videri B.V., a company registered in Curaçao. The casino operates under a license from the State of Anjouan.
- Offers over 4,000 games from more than 20 premium software providers, including slot machines, table games, and live dealer options.
- Generous welcome bonus >400%
- Sports Betting: Features a comprehensive sportsbook with thousands of odds on various sports events.
- Supports various payment options, including credit/debit cards and cryptocurrencies like Bitcoin, Ethereum, Litecoin, and more.
- The platform is optimized for mobile devices, allowing players to enjoy games on smartphones and tablets without the need for a dedicated app.
- Provides 24/7 customer assistance through live chat and email.
- Employs advanced security protocols, including SSL encryption, to protect players’ personal and financial information.
Magic Win Casino
This online casino gives players access to a large selection of games, fast payments, and both casino and sports betting in one place.
- Magic Win Casino, launched in 2022, holds a Curacao eGaming license.
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More than 5,000 games available
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Includes online slots, blackjack, roulette, and other table games
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Large selection of live dealer games
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Games from well-known providers for smooth and reliable play
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Full sportsbook available
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Covers football, basketball, tennis, eSports, and more
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Offers both pre-match and live betting
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Simple and clear betting layout
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Allows cryptocurrency payments: Bitcoin, Ethereum, Litecoin
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Minimum deposit: €15 for cards, €5 for crypto
Black Magic Casino
Black Magic Casino was founded in 2021 and operates under a Curacao eGaming license. It is a great choice for those looking to play with > 400% bonus.
- Over 2,000 games.
- Slots: Popular titles like Big Bass Bonanza, Sweet Bonanza, Wolf Gold.
- Live Casino: Roulette, Blackjack, Poker, Baccarat.
- Table Games: Classic casino favorites with exciting variations.
- Sports Betting: Football, Tennis, Basketball, and eSports options.
- Accepts credit cards, bank transfers, and cryptocurrencies such as Bitcoin and Ethereum.
- Minimum deposit of £25, with withdrawals processed within 1-3 business days.
- Bonuses & Promotions include a Welcome Bonus, Crypto Deposit Bonus, Weekend Reload Bonus (available up to 4 times), and Daily Cashback.
- Mobile Compatibility: Fully optimized for Android and iOS, with no app required.
- Customer Support: Available via live chat and email for 24/7 assistance.
31 Bet Casino
31Bet Casino, a new casino established in 2021, is operated by Onyxion Malta Limited and holds a license from the Malta Gaming Authority (MGA/B2C/824/2020).
- Over 3,000 games, including slots, table games, and live dealer options from top providers like Pragmatic Play, Microgaming, and Betsoft.
- Features a comprehensive sportsbook.
- Supports multiple payment options, including credit cards (Visa, MasterCard, Maestro), eWallets, and bank transfers.
- Mobile Compatibility: PCs, mobile devices, and tablets
- Provides 24/7 customer assistance through live chat and email.
Why Do Casinos Give a 400% Deposit Bonus?
Most online casinos offer a 400% deposit bonus to attract new players and keep existing ones. This type of bonus gives players extra money to play with, encouraging them to try more games and spend more time on casino sites. It helps casinos stand out in a competitive market and increases the chances that players will continue depositing. These bonuses often have wagering requirements that players must meet before they can withdraw their winnings. This ensures that players stay on the casino site longer and place more bets.
Different 400% Deposit Bonus Offers at Online Casinos
Online casinos offer 400% deposit bonus both new and existing players. Some bonuses apply only to the first deposit amount, while others are spread across multiple deposits. Common offers include welcome packages, reload bonuses, and crypto-specific promotions. These bonuses often come with specific terms, such as wagering requirements and game restrictions. Existing players can also benefit from loyalty programs that include similar high-percentage bonuses to keep them engaged and playing for longer.
Other Deposit Bonus Offers:
- 100% Welcome Bonus
- 150% Deposit Match Bonus
- 200% Casino Welcome Offer
- 300% Deposit Match Bonus
- 400% Casino Welcome Deal
- 500% Deposit Bonus
Things to Consider Before You Claim a Casino 400% Bonus
Think about key details before you claim a 400% casino bonus to increase your winnings.
- Check the bonus value and ensure it fits your budget.
- Be aware of the maximum bonus amount, as casinos often set limits.
- Read the full bonus terms, including the required bonus code and any restrictions.
- Pay attention to betting limits, which can affect how much you can wager per game.
- Different games contribute differently to wagering; check the game contributions section.
- Lastly, understand the max cashout rules to avoid losing potential bonus winnings from the bonus package.
How to Claim a 400% Casino Bonus UK
- Sign up for a casino account – Choose a casino offering a 400 first deposit bonus and complete the registration process.
- Make your first deposit – Select your preferred payment method and deposit the required amount.
- Enter the promo code – If required, input the code to activate the bonus.
- Check eligible games – Review the terms to know which games contribute to the bonus.
- Claim the bonus package – Some casinos offer it over the first few deposits.
- Start playing – Enjoy your bonus on eligible games.
Games to Play with 400% Online Casino Bonus
Using a 400% online casino bonus is a great way to explore different games across multiple casinos. These bonuses allow you to try a wide variety of casino games, from exciting slots to thrilling live dealer experiences. Here are some of the best games you can play with your bonus:
Slot Games
Slot games are the most popular choice for using your bonus. They come in many themes and styles, offering features like free spins, bonus rounds, and jackpots. Many casinos allow bonuses to be used on slots such as Starburst, Gonzo’s Quest, and Book of Dead. Slots are a great option because they often contribute 100% to wagering requirements.
Live Casino Games
If you enjoy a real casino atmosphere, you can use your bonus on live casino games like live blackjack, roulette, and baccarat. These games are streamed in real-time with professional dealers. Keep in mind that live games may contribute less to wagering requirements compared to slots.
Table Games
Blackjack and poker require strategy and offer better odds, but they often have lower wagering contributions compared to slot games.
Scratch Cards
For quick and easy wins, you can try scratch cards. These simple games reveal prizes instantly and are a fun way to use your bonus.
Progressive Jackpot Games
Some casinos let you use part of your bonus on progressive jackpots, where prizes can reach millions. However, always check the terms to see if these games qualify for bonus play.
Tips for Choosing the Right Games
- Always check the terms to see which games contribute most to the wagering requirements.
- Slot games usually contribute 100%, while table and live casino games contribute less.
- Play different games to have fun and meet bonus rules.
How to Cash Out Winnings from a 400% Welcome Bonus
- Meet Wagering Requirements – Ensure you’ve completed the required number of bets as outlined by the gaming sites.
- Check Bonus Terms – Review conditions such as withdrawal limits and eligible games.
- Verify Your Account – Submit necessary ID documents for security checks.
- Choose a Withdrawal Method – Select from available payment options.
- Request a Cashout – Enter the desired amount and confirm the withdrawal request.
- Wait for Processing – Gaming sites usually take 24-72 hours to process payments.
- Receive Your Funds – Funds will be credited to your chosen payment method.
Tips for Winning with a 400% Casino Bonus
Read the Bonus Terms Carefully
Understand the rules of the 400 bonus casino, including wagering requirements and eligible games to avoid losing potential winnings.
Choose Low-Variance Games
Slot games with lower volatility can provide frequent smaller wins, helping you meet bonus conditions faster.
High Contribution Games
Prefer games like slots, which contribute 100% to the wagering requirement, instead of live dealer games, which usually contribute less.
Manage Your Bankroll Wisely
Set limits on bets and play within your budget to avoid losing your entire bonus too quickly.
Take Advantage of Promotions
Some casinos offer extra promotions on top of the 400 bonus casino, such as free spins or cashback.
Start with Small Bets
This helps extend gameplay and increases your chances of fulfilling the bonus requirements.
Track Your Progress
Keep an eye on how much wagering you’ve completed to plan your next steps effectively.
Play Games You Know
Stick to familiar games to improve your odds instead of trying out complex options that may not suit your style.
Avoid High Risk Strategies
Don’t place large bets in hopes of clearing the bonus quickly; a slow and steady approach works best.
Withdraw Smartly
Once wagering is completed, withdraw winnings promptly to secure your profits and avoid unnecessary spending.
400% Deposit Bonus Casinos FAQ
What’s the minimum deposit for a 400% bonus?
It varies by casino, usually between £10 and £20.
Can I keep winnings from 400% free welcome bonuses?
You can’t withdraw the bonus itself, but winnings from it are added to your account once conditions are met. It’s a great chance to earn more!
Are 400% free welcome bonuses legit?
Yes, they’re real offers designed to attract new players to online casinos.
What’s the difference between a 400% deposit bonus and a $400 maximum bonus?
A 400% bonus matches your deposit by 4x, letting you earn more as you deposit more. For example, a $200 deposit gives you $800. A $400 maximum bonus caps the total bonus amount at $400, no matter your deposit size.
Can I use other casino bonuses if I have already claimed the 400% bonus?
It depends on the casino’s terms and conditions. Some casinos allow you to claim multiple promotions simultaneously, while others require you to complete the wagering requirements of one bonus before claiming another.
Can I use bonus money on any game?
No, bonus money can usually be used on selected games only. Most casinos allow it on slot games, but some table games and live dealer games may have restrictions or lower contribution rates toward wagering requirements.
