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.
 BetVictor Casino |
Welcome Bonus Deposit £10 and get £30 Bonus + 100 Bonus Spins |
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Visit | Welcome offer wager £10 and get £30 in bonuses and 100 Free Spins for Fishin 'Frenzy. 18+ New customers only. Opt in and wager £10 on selected games within 7 days of registration. Get 3 x £10 bonuses for selected games with up to 40x wagering plus 100 Free Spins on Fishin' Frenzy. Bonuses expire in 30 days. Maximum redeemable from bonuses is £750. Card payments only. T&C's Apply. begambleaware.org. Please gamble responsibly |
 Cash Spins |
Welcome Bonus 300% Bonus Up To £1,000 + 75 Bonus Spins |
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Visit | Welcome offer 300% bonus up to £1000 and 75 zero wager spins on 7 Fortune Frenzy. New players only. This is part of a welcome package worth up to £1750 and 150 spins over 1st 3 deposits. Minimum deposit £20. Cash spins have no wagering requirement. The Welcome Package is subject to 33x wagering requirement at each stage of the 3 bonuses. Full terms apply. |
 Coral Casino |
Welcome Bonus 500% Bonus Up To £50 + 100 Bonus Spins |
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Visit | New customer offer £50 Welcome Bonus and 100 Free Spins on Fishin' Frenzy. 18+. New Casino players only. Minimum deposit £10. Bet £10+ on qualifying games to get £50 Bonus valid on selected games. 40x wag required. Bonus must be accepted within 14 days and is valid for 30 days. Plus 100 Free Spins on Fishin' Frenzy, spin value £0.10p. Free Spins valid for 7 days. Player restrictions and T&Cs apply. |
 Eclipse Casino |
Welcome Bonus 300% Bonus Up To £3,000 |
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. | |
 Gala Casino |
Welcome Bonus Deposit £20 and get £40 Bonus + 50 Bonus Spins |
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Visit | Welcome offer £40 Bonus and 50 Free Spins on 1st deposit. 18+. New customers only. Spend £20, get £40 bonus (40x Wagering, selected games) + 50 Free Spins (value £0.10 each, selected games). Bonus & Free Spins valid for 7 days. Selected games for this Welcome Bonus include: Amazing Link Riches, Big Banker, Big Fishing Fortune, Bigger Bass Bonanza, Bonanza, Fishin Frenzy, Fishin Frenzy The Big Catch Jackpot King, Fishin Frenzy Jackpot King, Fishin Frenzy The Big Catch, King Kong Cashpots Jackpot King, Rainbow Riches, Sahara Riches: Cashes Collect, Starburst, and The Goonies Return Restrictions and T&Cs apply. |
 Golden Lion Casino |
Welcome Bonus 300% Bonus Up To £3,000 |
Visit | 300% Welcome Bonus up to £3000 and 10% Cashback on 1st deposit using code ROAR300. Code is valid once for new players only, on deposit £25. PT x40, no maximum cash-out, valid on slots and specialty games only. Cashback is given in a form of a Free Chip, PT x50, maximum cash out x5, to be claimed in Live Chat. Terms apply | |
 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 |
 Lady Linda Casino |
Welcome Bonus 300% Bonus Up To £1,000 |
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Visit | Welcome offer 300% up to £1000. New players, 1st deposit only. Opt in required. Minimum deposit £25. Welcome Casino Bonus can be used on slots and only on the following Providers: Egt, Amatic, Netent. Welcome Casino Bonus is subject to WR 45x. Full terms apply. |
 Luck of Spins |
Welcome Bonus 300% Bonus Up To £1,200 |
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Visit | Welcome offer 300% Bonus up to £1200. New registrations only, 1st deposit only. Minimum deposit £25. Maximum Bonus £1200. Welcome Casino Bonus can be used on slots and only on the following Provider: Egt, Netent, Novomatic, Play n go, Pragmatic, Amatic. Bonus amount is subject to a wagering requirement of 45x within 45 days. General Terms and Conditions apply. |
 Nevada 777 |
Welcome Bonus 300% Bonus Up To £10,000 + 50 Bonus Spins |
Visit | Welcome offer 300% Bonus up to £10000 and 50 Free Spins on 1st deposit. PLUS Claim 300% and 50 Free Spins again on the 2nd 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. | |
 Platinum Club VIP |
Welcome Bonus 300% Bonus Up To £3,000 |
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Visit | Welcome offer 300% Bonus up to £3000. New registrations, 1st deposit only. Minimum deposit £25. Opt in required. Welcome Bonus can be used on slots and only on the following Providers: Egt,, Amatic, Netent. Bonus is subject to wagering requirement of 40x. 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. | |
 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 £20. Maximum Bonus £5000. Maximum winnings from Free Spins £50. WR Bonus 20x. WR Free Spins winnings 45x. Full terms apply. | |
 Ultima Casino |
Welcome Bonus 300% Bonus Up To £3,000 + 50 Bonus Spins |
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Visit | NEW Improved Welcome Bonus 300% up to £3000 and 50 Free Spins on Starburst. New players, 1st deposit only. Opt in required for bonus. To claim the Freespins players must contact the support team within 24 hours after receiving the Welcome Casino Bonus with the following code: WELCOME50Free Spins. Minimum deposit £25. Maximum bonus £3000. Welcome Casino Bonus can be used on slots and only on the following Provider: Egt, Netent, Amatic. Free spins are awarded on the slot "Starburst" (value per spin £0.10). Both bonuses are subject to wagering requirement of 20x within 45 days. Minimum bet amount to count toward the wagering requirement is £0.50 and maximum is £5.00. General Terms and Conditions apply. |