300% SLOTS DEPOSIT BONUS

Written by Jean Prince

A 300% slots deposit bonus gives you triple the amount of money to play with.

PLAYZEE CASINO

4.3 rating

Get a :
100% Deposit Bonus up to £300 + 100 Bonus Spins on Starburst
18+. Min deposit £20. New players only. T&C's Apply and BeGambleaware #ad

Playzee Casino Review

T&Cs Apply

New customers only

18+. New players only. Min Deposit £20. Max Bonus Bet £5. Winnings from spins capped at £50. 100 Zee Spins valid on Starburst (first 10 credited immediately upon first deposit; rest credited at 07:00 GMT at 10/day). Spins must be used by 23:59 GMT of the day on which they are credited to player account, any unused shall be removed. Bonus funds must be used within 30 days. Bonus funds are separate to Cash funds, and subject to 35x wagering (bonus + cash). Full terms apply. BeGambleAware.org.

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PLAYOJO CASINO

4.8 rating

Get a :
Deposit £10 Get 80 Big Bass Bonanza Free Spins (No Wagering Requirements)
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad

PlayOJO Casino Review

T&Cs Apply

New customers only

18+. New players only. First deposit only. 80 Deposit Free Spins on Big Bass Bonanza. Min Dep £10. Game: Big Bass Bonanza. Spin Value: £0.10. OJO’s Rewards and Game Play policy applies. T&C's Apply.

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BETFRED CASINO

4.5 rating

Get :
Up to 200 Free Spins (No Wagering Requirements) when you Stake £10
18+ Only. Min. deposit is £10. New players only. T&C's Apply. Read the full T&C's Apply and BeGambleaware #ad

Betfred Casino Review

T&Cs Apply

New customers only

18+ Only. 200 Free Spins. Min. deposit is £10. New players only. T&C's Apply

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CASUMO CASINO

5.0 rating

Get a :
100% Deposit Bonus up to £100 + 50 Bonus Spins on Big Bass Bonanza
18+. Min deposit £20. New players only.T&C's Apply and BeGambleaware #ad

Casumo Casino Review

T&Cs Apply

New customers only

18+. New players only. One offer per player. Min Dep £20. Max bonus bet £5. 1st Dep offer is 100% up to £100 + 50 Bonus spins on Big Bass Bonanza. Spins expire after 10 days, funds after 30 days. Bonus funds separate to Cash. Wager Req of 30x Deposit + Bonus apply. Terms Apply. BeGambleAware.org.

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HYPER CASINO

4.8 rating

Get a :
100% Deposit Bonus up to £100
18+. Min deposit £10. New players only.T&C's Apply and BeGambleaware #ad

Hyper Casino Review

T&Cs Apply

New customers only

#AD New players only, min deposit £10, wagering 45x, max bet £5 with bonus funds, 100% up to £100 bonus on 1st deposit, 50% up to £200 on 2nd deposit. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Full T&C’s apply

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PLAY WITH A 300% SLOTS DEPOSIT BONUS

Casinos usually offer players 100% deposit bonuses. Every now and again a casino will double this to 200% but it is extremely rare for an online casino to offer a 300% bonus.

We have sweeped the casino industry to bring to you the casinos that are currently offering a 300% deposit bonus.

Don’t forget, 300% bonuses will usually come with terms and conditions attached to them which we will detail below.

TERMS AND CONDITIONS OF 300% DEPOSIT BONUS

You should check the terms and conditions of all casino bonuses.

In our table of 300% deposit bonus casinos, we have detailed the terms and conditions for you.

WHY CHOOSE A 300% BONUS?

• Gives you a huge starting bankroll
• Allows you to test lots of slots without risking too much of your own money, and instead play with the casinos bonus funds

OTHER SIMILAR BONUSES

• 200% Slots Deposit Bonus
• 400% Slots Deposit Bonus
• No Wagering Free Spins Bonus

Also, don’t forget to check out our full list of slots bonuses.

CONTRIBUTORS

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