300% Bonus Casinos
A 300% casino bonus or higher offers some of the most significant incentives among online casinos. This type of bonus can be found in various forms, such as deposit match bonuses, cashback bonuses, and even no deposit bonuses, providing users with more significant opportunities to increase their winnings. To ensure an advantageous interest rate for players, these bonuses are often accompanied by strict requirements regarding minimum deposits, play-throughs, and other criteria. It is essential to thoroughly review all the associated specifications before taking advantage of this type of offer to avoid any surprises in the long run.
 Coral Casino |
Welcome Bonus 500% Bonus Up To £50 |
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Visit | New customer offer £50 Welcome Bonus when you play £10 on Slots. 18+. New Casino players only. Deposit req (certain types excluded). Bet £10+ on qualifying games to get a £50 Bonus (selected games, 40x wag req, accept within 14 days, valid for 30 days). T&Cs apply. |
 Winner Casino |
Welcome Bonus 400% Bonus Up To £4,000 + 100 Bonus Spins |
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Visit | £10,000 and 500 Free Spins Welcome Package over 5 deposits, starting with 400% up to £4000 + 100 Free spins on Wolf Gold on 1st deposit. Minimum deposit £20. Coupon code WIN1 required. Wager 50x Bonus. Valid until 31.12.24. Full terms apply. |
 Galaxy Spins |
Welcome Bonus 400% Bonus Up To £2,000 + 100 Bonus Spins |
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Visit | Welcome package worth up to £5000 and 500 Free Spins over 6 deposits, starting with 400% Bonus up to £2000 and 100 Free Spins on Starburst on 1st deposit. Minimum deposit £20. Coupon code GALAXY1 required. Wager 50x Bonus. Full terms apply. |
 Doctor Spins |
Welcome Bonus 500% Bonus Up To £2,500 + 50 Bonus Spins |
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Visit | Welcome package up to £5000 and 150 Spins over 3 deposits, starting with 500% Bonus up to £2500 and 50 Free Spins in Gates of Olympus on 1st deposit. Minimum deposit £20. Coupon code DOCTOR1 required. Wager 50x Bonus. Full terms apply. |
 Slots And Casino |
Welcome Bonus 300% Bonus Up To $1,500 + 100 Bonus Spins |
Visit | Welcome offer 300% deposit match up to $1500 and 100 free spins. New players only. Minimum deposit $25. WR 30x deposit + bonus. Free spins credited as 10 per day over 10 days. WR 30x applies to Free Spins winnings. Free Spins can be used on specified games only including Mystic Wolf, Five Times Wins and Jumping Jaguar. Free spins are only availabe to players who have not already won and requested a withdrawal. Full terms apply. Players who wish to deposit using Bitcoin can claim a 500% welcome bonus. | |
 Harry’s |
Welcome Bonus 300% Bonus Up To £2,500 |
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Visit | Welcome package offering 650% up to £5000 over 3 deposits, starting with 300% Bonus up to £2500 on 1st deposit. New players only. Opt in required. Minimum deposit £25. Welcome Casino Package Bonuses are subject to WR 50x within 10 days of bonus activation. Welcome Casino Package is only for Slots for the providers: Egt, Amatic, Netent. Full terms apply |
 Slots n Roll |
Welcome Bonus 300% Bonus Up To €5,000 + 50 Bonus Spins |
Visit | Welcome offer 600% Bonus and 100 Free Spins over your 1st 2 deposits, starting with 300% Bonus and 50 Free Spins on Cash Bandits 3 on 1st deposit. Coupon code WELCOME1 required. Min deposit €25. Maximum Bonus €5000. Maximum winnings from Free Spins €50. WR Bonus 20x. WR Free Spins winnings 45x. Full terms apply. | |
 Nevada 777 |
Welcome Bonus 300% Bonus Up To $10,000 + 50 Bonus Spins |
Visit | 600% Bonus and 100 Free Spins over the 1st 2 deposits, starting with 300% Bonus up to $10000 and 50 Free Spins on 1st deposit. Coupon code WELCOME1 required. Minimum deposit $25. Free spins valid on Cash Bandits 3. WR 20x deposit + bonus amount. Winnings from Free Spins will be subject to wagering of 45x. Full terms apply. | |
 Eclipse Casino |
Welcome Bonus 300% Bonus Up To €3,000 |
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Visit | Welcome offer 300% Slots Match up to £3000 and 100% Cashback on first 3 deposits. Use code ECLIPSE300. Valid on the first three deposits. Minimum deposit £25+ on slots and specialty games only. PT X 40, no maximum cashout. Cashback is given in the form of a Free Chip, PT x50, maximum cash out x5, to be claimed in Live Chat. Terms apply. |
 Golden Lion Casino |
Welcome Bonus 250% Bonus Up To $2,500 |
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Visit | 250% Welcome Bonus up to $2500 and 10% Cashback on 1st deposit using code SPELL250. Code is valid once for new players on slots and specialty games only. Playthrough x40, no maximum cash-out. A minimum deposit to claim the code is $25+. Cashback is given in a form of a Free Chip, Playthrough x50, maximum cash-out x5, to be claimed in Live Chat. Full terms apply |
Added Recently  Casimpo |
Welcome Bonus Deposit £10 and get 20 Bonus Spins |
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Visit | Exclusive welcome offer 20 Wager Free Spins on Legacy of Dead on 1st deposit. Promo Code: 20WFLOD. New Players Only. £10 Min. Deposit. Bonus valid 48 hours from receipt. Maximum conversion: £100. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. Full terms apply |