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400% SLOTS DEPOSIT BONUS

If you want to quadruple your casino deposit, then you should play with a 400% slots deposit bonus.

With a 400% casino deposit bonus, make a deposit of £100 and you will receive an extra £400 giving you £500 to play casino games with.

Below we have listed the best casinos offering a 400% deposit bonus. The casinos listed all adhere to UK gambling laws and regulations so are completely safe for you to play at.

We have also listed the specific terms and conditions of each bonus so that you can ensure to pick the casino offering you the best value.

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5.0 rating
Get a :
100% Deposit Bonus up to £250 + 100 Bonus Spins on Aloha Cluster Pays
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

18+. New players only. One offer per player. Min Dep £10. Max bonus bet £5. 1st Dep offer is 100% up to £250 + 100 Bonus spins on Aloha Cluster Pays. Spins expire after 10 days, funds after 30 days. Bonus funds separate to Cash. Wager Req of 35x Deposit + Bonus apply. Terms Apply. BeGambleAware.org.
Get a:
100% Deposit Bonus up to £100 + 10% Cashback
18+. Min deposit £20. New players only.T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

New customers only, min deposit £20, wagering 35x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction
4.8 rating
Get a:
100% Deposit Bonus up to £99 + 99 Bonus Spins and 10% Cashback
18+. Min deposit £20. New players only.T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

New customers only, min deposit £20, wagering 40x, max bet £5 with bonus funds. 100% up to £99 bonus + 99 bonus spins on 1st deposit. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Full T&Cs apply
4.8 rating
Get :
Stake £10 Get 30 Free Spins on Secrets of the Phoenix Megaways (No Wagering Requirements)
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

18+. New players only. One offer per player. Min Dep and wager £10. Spins value 20p. Free spins on: Secrets of the Phoenix Megaways. Spins expire after 30 days. Bonus funds separate to Cash. Wager Req of 35x Deposit + Bonus apply. Terms Apply. BeGambleAware.org.
4.5 rating
Get a :
100% Deposit Bonus up to £300 + 10% Cashback
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad
T&Cs Apply
New customers only

18+ Only. 100% Deposit Bonus up to £300 + 10% Cashback. Min. deposit is £10. New players only. T&C's Apply

PLAY WITH A 400% SLOTS DEPOSIT BONUS

A slot bonus offered by a casino will usually give you a small addition to your deposit in the form of free spins or a 100% match bonus.

The casinos listed on this page will quadruple your initial deposit giving your bankroll a huge boost to play slots for.

TERMS AND CONDITIONS OF A 400% CASINO DEPOSIT BONUS

Bonus terms and conditions should always be checked as many bonuses come with strict requirements.

Some bonuses can only be used on certain slots whilst others have wagering requirements. 

WHY CHOOSE A 400% BONUS?

  • You will quadruple your original deposit
  • Allows you to play a greater number of slot games
  • Gives you a large bankroll without risking much of your own money

OTHER SIMILAR BONUSES

The 400% slots deposit offer is rare to come by today. So just in case you don’t find any with decent wagering requirements, we can recommend to try a 300% slots deposit bonus instead.

There is also the 200% slots deposit bonus.

CONTRIBUTORS

jean prince

Greetings, I’m Jean Prince

Jean Prince, also known as ‘The Hawk’ in our newsroom is the editor in chief at SlotsHawk.com. He always keeps a hawk eye on the slots market and never lets anything important slip out of his sight.

Editor in Chief since 2020