300% Deposit Bonus

The JohnSlots Guide to 300% Casino Bonuses

How would you like to quadruple your first deposit? It’s not easy but doable. A 300% deposit bonus shows up once in a blue moon at UK casinos, and when it finally does, you’ll need to know how to handle it. Carry on reading, and soon you’ll learn everything there is to know about this unusual but exciting match bonus.

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Find the Best 300% Deposit Bonuses at Johnslots!

At JohnSlots, we offer only the top range of online casinos with the best bonuses. To achieve this, we seek out sites with all kinds of bonuses, even if they are as rare as a 300% deposit bonus. But before these casinos can reach our toplist, they go through a gruelling reviewing process, during which, our casino pros apply a set of tough criteria to every aspect of the site. Here’s what they look for and why:

Maximum Bonus – To help you maximise your first deposit, we seek casino sites with maximum bonuses such as 100%, 200%, 300% or even 500% offers. Ideally, these casinos will also have a relatively low minimum deposit or no deposit at all so that you can get the most value for your money.

Deposit Options – We’re continually seeking out online casinos with a good range of fast, safe and secure payment methods. The longer the list of convenient banking options, the safer the casino.

Available Games – In most cases, when searching for the most suitable online casinos for our audience, the quantity isn’t as essential as quality. Whether it’s a casino with 500 or 5,000 casino games, we’ll always pay attention to the diversity.

Wagering Requirements – Our best-rated casinos have the fairest wagering requirements and transparent terms attached to your deposit bonuses. If there’s anything you need to be aware of, we’ll flag it up in our casino reviews.

Unibet
4.0 rating
TOTAL WELCOME PACKAGE

300% Match Bonus

Discover more about 300% bonuses at JohnSlots:

300% Deposit Bonus Image on purple background

What Is a 300% Deposit Bonus?

A 300% deposit bonus offered at a casino is a gift for you when you join the site. It’s unlikely that you’ll be able to claim an entire 300 bonus on your first deposit, but you can look at it as a gift that keeps on giving.

For example, if it’s split into several deposits, you can claim it on your first, second and third deposit and make your gameplay last longer. But, if it’s offered as a first deposit bonus, then you’re looking at a match bonus that multiplies your initial deposit four times!

Why Choose a 300% Casino Bonus?

Aside from being exceptionally easy to claim, a 300% casino bonus has many more advantages. Here are just a few reasons why you should choose this particular casino bonus:

  • You can quadruple your initial deposit if it’s the first deposit offer.
  • It can be valid on various games, including slots, table games and live casino.
  • You can keep playing even after you’ve depleted your real cash balance.
  • It gives you more chances to win.

How to Claim a 300% Bonus?

Claiming 300% deposit bonuses is pretty straightforward at any online casino and won’t take much of your time. Use these easy-to-follow steps to retrieve them safely and effectively.

  1. Use our recommendations list to find a casino with a 300% deposit bonus.
  2. Create a new account with the casino.
  3. Be sure to read the bonus terms.
  4. Choose your preferred payment option and make the minimum deposit.
  5. If prompted, enter the promotional bonus code.
  6. Navigate to the games lobby and activate the bonus by loading one of the eligible casino games.
  7. Once you’ve used up your real cash balance, carry on playing with your bonus money.
  8. If required, complete the wagering requirements and withdraw your winnings.
Someone clicking through to a casino on a desktop on purple background

Eligibility for 300% Bonuses

Though easy to claim, 300% bonuses will always come with the significant bonus terms attached to the offer, and it’s always a good idea to have a quick read through. These bonus terms are included for your consideration so that you are aware of any wagering requirements, time limits and other restrictions.

Here’s the usual drill to check if you’re eligible for this type of bonus:

  • 18+ only – only players 18 years old and older are eligible to claim the offer.
  • New UK players only – the bonus is available to UK players who don’t have an existing account with the casino.
  • Verification needed for UK playersat some casinos, only players who passed ID verification checks can claim the offer. The checks include proof of your identity and residential address.
  • Skrill or Neteller excluded – some casinos, due to the restrictions from the Gambling Commission, won’t allow you to use these specific e-wallets to deposit. Instead, you will need to use an alternative payment method, such as a bank card.

300% Bonus – Only for New Players?

There are different ways that you can get this type of bonus casino sites, and these include:

  • A 300% Welcome Bonus
  • A 300% Reload Bonus
  • A Tournament Prize
  • A VIP 300% Bonus

After your initial welcome bonus, you can still be eligible for a 300% bonus as a returning customer. If such an offer is available at your preferred online casino, it will be usually placed under the promotions page as an additional deposit bonus, widely known as reload bonus. All you have to do to claim this offer is to deposit the required amount.

To keep their players entertained at all times, some casinos offer additional exciting events which can boost their bankrolls. If you like competing against other players, then tournaments, weekly win boosts, and other inventive promotions could be fun and quite lucrative. You’ll find that some casinos will email exclusive 300% bonus offers to their most loyal customers based on their activity. So, if you’re a regular customer often playing for real money, don’t be surprised to receive a nice surprise in your inbox.

Joining a casino’s VIP club can offer you personal 300% offers even more perks. The VIP programmes range from multi-level schemes to rewards programs during which you accumulate points and convert them into bonuses later. In multi-level schemes, you play to climb the VIP ladder. The higher the level, the better the rewards.

Wagering & Max Cashout on a 300% Bonus

Wagering & Max Cashout on a 200% bonus

Unless your bonus is wager-free, you’ll have to watch out for any wagering requirements attached to your bonus. The industry standard wagering requirement is 35x, but it can vary greatly from one casino to another. So, before you can withdraw, you’ll have to play through your winnings the required amount of times, and the only way to get out of it is to forfeit your bonuses altogether.

Talking specifically about a bonus as big and rare as 300%, it will most likely have higher wagering than, say, 100% or 200% bonuses, which is a slight downside. Also, note the maximum amount of money you can get. If a 100% bonus can offer £100 or £250 in bonus funds, a 300% bonus will most likely be capped at a smaller amount (of up to £30 or so).

Logo Skol Casino
4 /5
4.0 rating

Skol Casino

4.0 rating
4 /5

1ST DEPOSIT BONUS

100% up to £300 + 100 Spins

One bonus offer per player. Min dep £20. Max bonus bet £5. Bonus funds must be used within 30 days & bonus spins within 10 days. Spins valid on Starburst only. Offer consists of: 1st dep: 100% up to £300 & 100 spins, 2nd dep: 75% up to £300 & 75 spins, 3rd dep: 50% up to £300 & 50 spins, 4th dep: 25% up to £300 & 25 spins, 5th dep: 100% up to £100. The 100 spins triggered on your 1st dep are credited at a rate of 25 spins per day over 4 days. Bonus spins winnings credited as bonus funds & capped at £50. For the 1st dep offer, this winning cap shall be applied to each set of 25 spins. Bonus funds separate to Cash funds and subject to 35x wagering.
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Skol Casino

TOTAL WELCOME PACKAGE

Up to £1,300
+ 250 Free Spins

1ST DEPOSIT BONUS

100% up to £300 + 100 Spins

Logo William Hill
4 /5
4.0 rating

William Hill

4.0 rating
4 /5

1ST DEPOSIT BONUS

100% Deposit Bonus

New customers only. Opt in required. 1x per customer. Max 50 free spins with 20x wagering. Stake £10 stake & get 100 free spins on completion with 20x wagering. Selected slots only. Free spins expire 24 hours after issue. Eligibility rules, game, location, payment method and currency restrictions and terms and conditions apply.
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William Hill

TOTAL WELCOME PACKAGE

Up to £300
+ 50 Free Spins (after wagering)

1ST DEPOSIT BONUS

100% Deposit Bonus

Logo Temple Nile
5 /5
5.0 rating

Temple Nile

5.0 rating
5 /5

1ST DEPOSIT BONUS

100% bonus up to £500 + 30 bonus spins

Min. deposit £20. Max bonus bet £5. Extra spins on selected games only- must be used within 72 hours. Bonus funds expire in 30 days, unused bonus shall be removed. Bonus funds are 100% match up to £500 + 30 extra spins on 1st deposit, 25% match up to £800 + 25 extra spins on 2nd deposit, and 50% match up to £200 + 50 extra spins on 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 40x wagering the total bonus & cash. Only bonus funds count towards wagering contribution. 
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Temple Nile

TOTAL WELCOME PACKAGE

£1,500
+ 105 bonus spins

1ST DEPOSIT BONUS

100% bonus up to £500 + 30 bonus spins

Logo Casushi Casino
4 /5
4.0 rating

Casushi Casino

4.0 rating
4 /5

1ST DEPOSIT BONUS

100% up to £50 + 50 Spins

100% bonus on first deposit up to £50 plus 50 Bonus spins (30 spins on day 1, 10 on day 2, 10 on day 3 for Rich Wilde and the Book of Dead slot only. Min first deposit £20. Max bonus £50. Max bonus bet £5. Max bonus cash-out £250. 40x wagering requirements. Bonus expiry 30 days. Bonus spins expiry 2 days. Game restrictions apply. Further Terms Apply.
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Casushi Casino

TOTAL WELCOME PACKAGE

100% up to £50
+ 50 Free Spins

1ST DEPOSIT BONUS

100% up to £50 + 50 Spins

Logo Videoslots
4 /5
4.0 rating

Videoslots

4.0 rating
4 /5

ON REGISTRATION

11 free spins no wagering

1ST DEPOSIT BONUS

100% bonus up to £200

11 Welcome Spins Wager-free and 100% up to £200 on your 1st deposit. Min. deposit £10. 7 days to activate the spins. Bonus spins expire 24 hours after activation. Activate the Welcome Bonus within thirty (30) calendar days under the 'My Bonuses’ section. 100% bonus up to £ 200 will be paid out in 10% increments to Main Account balance. 35x wagering. Play Responsibly.
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Videoslots

TOTAL WELCOME PACKAGE

£200
+ 11 free spins no wagering

ON REGISTRATION

11 free spins no wagering

1ST DEPOSIT BONUS

100% bonus up to £200

Logo Sloty
4 /5
4.0 rating

Sloty

4.0 rating
4 /5

1ST DEPOSIT BONUS

100% bonus up to £100 and 300 free spins

£10 min deposit. £5 max bet using bonus. 60x (40x referred player) wagering applies. Bonus valid for 14 days. 30 Spins on pre-selected games will be credited instantly + then 30 per day for 9 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Ewallets excluded.
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Sloty

TOTAL WELCOME PACKAGE

£100
+ 300 free spins

1ST DEPOSIT BONUS

100% bonus up to £100 and 300 free spins

Logo Spinit
4 /5
4.0 rating

Spinit

4.0 rating
4 /5

1ST DEPOSIT BONUS

100% bonus up to £100 + 200 bonus spins

Full T&C's Apply. £10 min deposit. £5 max bet using bonus. 60x (40x referred player) wagering applies. Bonus valid for 14 days. 20 Spins on Starburst will be credited instantly + then 20 per day for 9 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100. Ewallets excluded.
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Spinit

TOTAL WELCOME PACKAGE

Up to £100
+ 200 bonus spins

1ST DEPOSIT BONUS

100% bonus up to £100 + 200 bonus spins

Logo VegasHero
4 /5
4.0 rating

VegasHero

4.0 rating
4 /5

1ST DEPOSIT BONUS

100% bonus up to £100 + 50 bonus spins

£10 min deposit. £5 max bet using bonus. 60x (40x referred player) wagering applies. Bonus valid for 14 days. 10 Spins on pre-selected games will be credited instantly + then 10 per day for 4 days. Free Spins valid for 72 hours from credit. Max Free Spins winnings £100.
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VegasHero

TOTAL WELCOME PACKAGE

Up to £100
+ 50 bonus spins

1ST DEPOSIT BONUS

100% bonus up to £100 + 50 bonus spins

Logo Spinland
4 /5
4.0 rating

Spinland

4.0 rating
4 /5

1ST DEPOSIT BONUS

100% bonus up to £300 + 50 bonus spins + 500 Loyalty Points

One bonus offer per player. Minimum deposit £20 Max bonus bet is £5 Bonus spins on selected games only and must be used within 72 hours. Bonus funds must be used within 30 days otherwise any unused bonus shall be removed. Bonus funds are 100% match up to £300 on your 1st deposit, 50% match up to £250 on your 2nd deposit, and 100% match up to £250 on your 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds contribute towards any wagering requirements.
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Spinland

TOTAL WELCOME PACKAGE

£800
+ 200 bonus spins

1ST DEPOSIT BONUS

100% bonus up to £300 + 50 bonus spins + 500 Loyalty Points

Logo Fruit Kings Casino
4 /5
4.0 rating

Fruit Kings Casino

4.0 rating
4 /5

1ST DEPOSIT BONUS

100% bonus up to £50 + 100 bonus spins

100% bonus on first deposit up £50 & 100 Bonus spins (50 spins on day 1, 25 on day 2, 25 on day 3) for Book of Dead slot only. Min first deposit of £20. Max bonus £50. Max bonus bet £5. Max bonus cash-out £250. 40x wagering requirements. Bonus expiry 30 days. Bonus spins expire after 48 hours. Game restrictions apply. Further Terms Apply
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Fruit Kings Casino

TOTAL WELCOME PACKAGE

£50
+ 100 bonus spins

1ST DEPOSIT BONUS

100% bonus up to £50 + 100 bonus spins

Logo Casimba
4.5 /5
4.5 rating

Casimba

4.5 rating
4.5 /5

1ST DEPOSIT BONUS

100% bonus up to £500 + 50 bonus spins + 500 loyalty points

1 bonus offer per player. Min. deposit £20. Max. bonus bet is £5. Bonus spins on selected games only and must be used within 72 hours. Bonus funds expire in 30 days, unused bonus funds will be removed. Bonus funds are 100% match up to £500 on your 1st deposit, 25% match up to £1000 on your 2nd deposit, and 50% match up to £500 on your 3rd deposit. Bonus funds are separate to Cash funds, and are subject to 35x wagering the total bonus & cash. Only bonus funds count towards wagering contribution.
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Casimba

TOTAL WELCOME PACKAGE

£2,000
+ 125 Bonus Spins

1ST DEPOSIT BONUS

100% bonus up to £500 + 50 bonus spins + 500 loyalty points

Logo PlayFrank
4 /5
4.0 rating

PlayFrank

4.0 rating
4 /5

1ST DEPOSIT BONUS

100% match bonus up to £100 + 50 spins

Min deposit £20. Bonuses to a max of £100 + 50 bonus spins. Wagering bonus 35x. Wagering bonus spins 35x. Max bonus bet £5. The winnings must be wagered within 7 days. Bonus T&Cs apply.
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PlayFrank

TOTAL WELCOME PACKAGE

£100
+ 50 Spins

1ST DEPOSIT BONUS

100% match bonus up to £100 + 50 spins

Logo Fruity Casa
3 /5
3.0 rating

Fruity Casa

3.0 rating
3 /5

1ST DEPOSIT BONUS

100% up to £100+ 20 Bonus Spins

Minimum deposit of £10. Bonus spins are valid on Fruit Shop only and subject to 35x wagering, and must be used within 10 days, otherwise any unused bonus spins shall be removed. Bonus funds are 100% up to £100 and separate to Cash funds. 35x bonus wagering requirements and only bonus funds count towards wagering contribution. £5 max bet with bonus. Bonus must be used within 30 days otherwise any unused bonus shall be removed.
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Fruity Casa

TOTAL WELCOME PACKAGE

£100
+ 20 Bonus Spins

1ST DEPOSIT BONUS

100% up to £100+ 20 Bonus Spins

Logo Betway
4 /5
4.0 rating

Betway

4.0 rating
4 /5

1ST DEPOSIT BONUS

100% bonus up to £50 + 50 bonus spins

Opt-in required. This offer is valid for selected customers only, until 25th August 2021 23:59 TCS. 50 Bonus Spins are awarded upon successful 1st deposit. 10% match bonus up to £50 on 1st deposit of £10+. 10 bonus spins credited on a daily basis for 5 days. Winnings from bonus spins are subject to wagering of 30x playthrough requirements. Irregular gameplay may invalidate your bonus. Debit card deposits only. This offer is valid for 7 days from when your new account being registered. Other conditions apply.
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Betway

TOTAL WELCOME PACKAGE

Up to £50
+ 50 bonus spins

1ST DEPOSIT BONUS

100% bonus up to £50 + 50 bonus spins

Logo Casilando
4 /5
4.0 rating

Casilando

4.0 rating
4 /5

1ST DEPOSIT BONUS

100% up to £300 + 90 Spins

Min deposit £20. Bonus spins are valid on Book of Dead only. Bonus funds are 100% up to £300 and separate to Cash funds. 35x bonus wagering requirements apply. Only bonus funds count towards wagering requirements. £5 max. bet with bonus. Bonus funds must be used within 30 days, otherwise any unused shall be removed.
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Casilando

TOTAL WELCOME PACKAGE

Up to £300
+ 90 Bonus Spins

1ST DEPOSIT BONUS

100% up to £300 + 90 Spins

Discover More Deposit Bonuses at JohnSlots!

Taking advantage of a 300% deposit bonus can be a fun experience when you know where to find them and what to expect from such a huge bonus offer. And now that you know everything there is to know, why not explore our current list of top casinos and see if you can spot any.

If you can’t see it right at this moment, a 100% casino bonus or a 200% deposit bonus offer can be as good, if not better, and they are way more common at UK casinos.

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