Why do online casinos give out 400% first deposit bonuses?

Online casinos give out 400% first deposit bonuses in order to encourage casino players to try out their platforms and consider playing there in the longer term.

Are 400% deposit bonus casino sites safe?

Yes, 400% deposit bonus casino sites are safe, as long as they're licensed and regulated by a reputable body. As well as having passed our test for safety and security, each of the 400% deposit bonus casinos we've recommended here are licensed and regulated by the Malta Gaming Authority (MGA) and/or another reputable gaming authority.

Can I keep winnings from a 400% casino deposit bonus?

Yes, you can keep your winnings from a 400% casino deposit bonus, as long as you've fulfilled the terms and conditions of the promotion.

Can I get free spins as part of the 400% casino bonus?

Yes, you can get free spins as part of a 400% casino bonus if you choose a welcome package that bundles the 400% deposit match with bonus spins.

Can I win real money with a casino 400% bonus?

Yes, you can win real money with a casino 400% bonus, just as you can with any other casino bonus offer.

400% Deposit Bonus Casinos - page 3

Alina Anisimova, Isobel Coughlan

Updated:25.6.2026

61
Instaspin Casino

100% up to $100 + 100 free spins

1st deposit bonus
Main details

Minimum deposit $20 +

Deposit at least €20 to claim this deposit bonus at Instaspin Casino, which gives you a 100% match up to €100 on your deposit. You also get 100 free spins. No bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 30 x (D+B) +

The wagering requirement is 30x on your deposit plus bonus, which sits in the standard range. A €100 deposit gives you a €100 bonus, and €100 + €100 = €200 x 30 = €6,000 in wagers. The 100 free spins carry 30x wagering on their winnings.
Bonuses & Restrictions

Time limit 30 days
Not Available

Instaspin Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
62
Immerion Casino

100% up to $1000 + 100 free spins

1st deposit bonus
Main details

Minimum deposit $15 +

Deposit at least €15 to claim this deposit bonus, which gives you a 100% match up to €1,000 on your deposit. You also get 100 free spins on Sweet Bonanza 1000, worth €10 in total. No bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 40 x (D+B) +

The 40x wagering on this bonus is above average and applies to both your deposit and your bonus. With a €100 deposit on a 100% match, you get a €100 bonus, and €100 + €100 = €200 x 40 = €8,000 in wagers. The 100 free spins carry 40x wagering on their winnings.
Bonuses & Restrictions

Time limit 30 days
Not Available

Immerion Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
63
Hiperwin Casino

100% up to $200

1st deposit bonus
Main details

Minimum deposit $10 +

Hiperwin Casino matches your deposit 100% up to €200 as a regular deposit bonus. Deposit at least €10 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 35 x B +

Wagering is 35x on the bonus amount, which sits in the standard range. With a €100 deposit at 100%, you get a €100 bonus, and €100 x 35 = €3,500 in wagers. You have 30 days to clear it.
Bonuses & Restrictions

Time limit 30 days
Not Available

Hiperwin Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
64
Hexabet Casino

100% up to $500 + 100 free spins

1st deposit bonus
Main details

Minimum deposit $25 +

Hexabet Casino matches your deposit 100% up to €500 and gives you 100 free spins worth €10.00 in total. Deposit at least €25 to claim it, no bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 40 x B +

Wagering is 40x on the bonus amount, which is above average. With a €100 deposit you get a €100 bonus, and €100 x 40 = €4,000 in wagers. The 100 free spins carry 40x wagering on their winnings. Max bet while wagering is €5 per round. You have 10 days to clear it.
Bonuses & Restrictions

Max bet $5

Time limit 10 days
Not Available

Hexabet Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
65
GalacticWins Casino

100% up to $500 + 50 free spins

1st deposit bonus
Main details

Minimum deposit $20 +

Deposit at least €20 to claim this deposit bonus at GalacticWins Casino, which gives you a 100% match up to €500 on your deposit. You also get 50 free spins, and no bonus code is needed, the bonus activates on your qualifying deposit. Winnings from the bonus are capped at €1,000.

Wagering 40 x (D+B) +

The wagering on the cash bonus is 40x your deposit plus bonus, which is above average. A €100 deposit gives you a €100 bonus, and €100 + €100 = €200 x 40 = €8,000 in wagers. The 50 free spins carry 0x wagering on their winnings.
Bonuses & Restrictions

Time limit 7 days
Not Available

GalacticWins Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
66
FruitKings Casino

100% up to $300 + 100 free spins

1st deposit bonus
Main details

Minimum deposit $20 +

Deposit at least £20 to claim this deposit bonus, which gives you a 100% match up to £300 on your deposit. You also get 100 bonus spins. No bonus code is needed, the bonus activates on your qualifying deposit, and winnings from the bonus are capped at £1,000.

Wagering 40 x B +

The wagering on the cash bonus is 40x on the bonus amount, which is above average. With a £100 deposit, you get a £100 bonus, and £100 x 40 = £4,000 in wagers. The 100 bonus spins carry 0x wagering on their winnings.
Bonuses & Restrictions

Time limit 30 days
Not Available

FruitKings Casino Bonuses

18+ Full Terms Apply. Play Responsibly. . 18+. New players only. 100% First deposit bonus up to £50: Min deposit £10. Wagering including from balance funds: 35x deposit amount to unlock bonus as cash. 20 Free Spins on Big Bass Splash (no wagering). Free spin winnings credited to cash. Expiry: Bonus balance 90 days; Free Spins 2 days. Deposit Bonus forfeited upon withdrawal if wagering requirements not met. Deposit Bonus max cashout: £250. T&C’s apply. Gamble Responsibly. Gambleaware.org.
67
Felix Spin Casino

100% up to $250 + 150 free spins

1st deposit bonus
Main details

Minimum deposit $20 +

Felix Spin Casino matches your deposit 100% up to €250 and gives you 150 free spins worth €15 in total. Deposit at least €20 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 35 x (D+B) +

Wagering is 35x on your deposit plus bonus, which sits in the standard range. A €100 deposit gives you a €100 bonus, so €100 + €100 = €200 x 35 = €7,000 in wagers. You have 7 days to clear it. The 150 free spins carry 35x wagering on their winnings.
Bonuses & Restrictions

Time limit 7 days
Not Available

Felix Spin Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
68
FatPirate Casino

100% up to $500 + 200 free spins

1st deposit bonus
Main details

Minimum deposit $20 +

FatPirate Casino matches your deposit 100% up to €500 and gives you 200 free spins worth €20 in total. Deposit at least €20 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 35 x (D+B) +

Wagering on the cash bonus is 35x on your deposit plus bonus, which sits in the standard range. With a €100 deposit you get a €100 bonus, so €100 + €100 = €200, and €200 x 35 = €7,000 in wagers. The 200 free spins carry 40x wagering on their winnings.
Bonuses & Restrictions

Time limit 30 days
Not Available

FatPirate Casino Bonuses

18+ Full Terms Apply. Play Responsibly.

69
Fatboss

100% up to $50 + 100 free spins

1st deposit bonus
Main details

Minimum deposit $10 +

Deposit at least €10 to claim this deposit bonus, which gives you a 100% match up to €50 on your deposit. You also get 100 free spins, and no bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 30 x (D+B) +

The wagering on the cash bonus sits in the standard range at 30x on your deposit plus bonus. With a €100 deposit you get a €50 bonus (the maximum), and €100 + €50 = €150 x 30 = €4,500 in wagers. The 100 free spins carry 30x wagering on their winnings.
Bonuses & Restrictions
Not Available

Fatboss Bonuses

18+ Full Terms Apply. Play Responsibly.
70
DolfWin Casino
Exclusive Bonus

100% up to $500 + 200 free spins

1st deposit bonus
Main details

Minimum deposit $20 +

DolfWin Casino matches your deposit 100% up to €500 and adds 200 free spins worth €20 in total. Deposit at least €20 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 40 x (D+B) +

Wagering on this bonus is 40x on your deposit plus bonus, which is above average. A €100 deposit gives you a €100 bonus, so you wager €100 + €100 = €200 x 40 = €8,000 in total bets. The 200 free spins carry 40x wagering on their winnings.
Bonuses & Restrictions

Time limit 21 days
Not Available

DolfWin Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
71
Casinova Casino

100% up to $500 + 200 free spins

1st deposit bonus
Main details

Minimum deposit $20 +

Deposit at least €20 to claim this deposit bonus at Casinova Casino, which gives you a 100% match up to €500 on your deposit. You also get 200 free spins worth €20 in total, and no bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 35 x (D+B) +

The wagering on the cash bonus is in the standard range at 35x on both your deposit and bonus. With a €100 deposit you get a €100 bonus, and €100 + €100 = €200 x 35 = €7,000 in wagers. The 200 free spins carry 40x wagering on their winnings.
Bonuses & Restrictions

Max bet $5

Time limit 10 days
Not Available

Casinova Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
72
Casinomax

100% up to $3250

1st deposit bonus
Main details

Minimum deposit $35 +

Deposit at least €35 to claim this deposit bonus at Casinomax. You get a 100% match up to €3,250 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 40 x B +

The wagering requirement is 40x on the bonus, which is above average. With a €100 deposit at 100%, you get a €100 bonus, and €100 x 40 = €4,000 in wagers.
Bonuses & Restrictions

Max bet $10
Not Available

Casinomax Bonuses

18+ Full Terms Apply. Play Responsibly.
73
Casino Estrella

100% up to $50 + 100 free spins

1st deposit bonus
Main details

Minimum deposit $10 +

Casino Estrella matches your deposit 100% up to €50 and also gives you 100 free spins. Winnings are capped at €200. Deposit at least €10 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 30 x (D+B) +

Wagering is 30x on your deposit plus bonus, which sits in the standard range. With a €100 deposit you get a €50 bonus due to the €50 cap, so €100 + €50 = €150 x 30 = €4,500 in wagers. The 100 free spins carry 35x wagering on their winnings.
Bonuses & Restrictions
Not Available

Casino Estrella Bonuses

18+ Full Terms Apply. Play Responsibly.
74
bCasino
Exclusive Bonus

100% up to $500 + 50 free spins

1st deposit bonus
Main details

Minimum deposit $20 +

bCasino matches your deposit 100% up to €500 and gives you 50 free spins. Deposit at least €20 to claim it. No bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 50 x B +

Wagering on the cash bonus at bCasino is on the high side: 50x applies to the bonus amount. With a €100 deposit you get a €100 bonus, and €100 x 50 = €5,000 in wagers. You have 7 days to clear it, and the 50 free spins carry 25x wagering on their winnings.
Bonuses & Restrictions

Time limit 7 days
Not Available

bCasino Bonuses

18+ Full Terms Apply. Play Responsibly.
75
Bankonbet Casino

100% up to $500 + 200 free spins

1st deposit bonus
Main details

Minimum deposit $20 +

Deposit at least €20 to claim this deposit bonus at Bankonbet Casino, which gives you a 100% match up to €500 on your deposit. You also get 200 bonus spins worth €20 in total, and no bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 35 x (D+B) +

Wagering is 35x on your deposit plus bonus, which sits in the standard range. With a €100 deposit at 100%, you get a €100 bonus, so €100 + €100 = €200 x 35 = €7,000 in wagers. The 200 free spins carry 40x wagering on their winnings.
Bonuses & Restrictions

Max bet $5

Time limit 10 days
Not Available

Bankonbet Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
76
21luckybet

100% up to $200 + 20 free spins

1st deposit bonus
Main details

Minimum deposit $10 +

Deposit at least £10 to claim this deposit bonus, which gives you a 100% match up to £200 on your deposit. You also get 20 bonus spins worth £2 in total. No bonus code is needed, the bonus activates on your qualifying deposit at 21luckybet.

Wagering 50 x B +

The wagering on the cash bonus is on the high side at 50x on the bonus amount. With a £100 deposit you get a £100 bonus, and £100 x 50 = £5,000 in wagers. The 20 bonus spins carry 0x wagering, so anything you win from them is in cash.
Bonuses & Restrictions

Time limit 30 days
Not Available

21luckybet Bonuses

18+ Full Terms Apply. Play Responsibly.
77
TornadoBet Casino

50% up to $300

Reload bonus
Main details

Minimum deposit $20 +

TornadoBet Casino matches your deposit 50% up to €300. Deposit at least €20 to claim it, no bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 25 x (D+B) +

Wagering on the cash bonus is 25x on your deposit plus bonus, which sits below average for this type of offer. With a €100 deposit you get a €50 bonus, so €100 + €50 = €150 x 25 = €3,750 in wagers. You have 30 days to clear it.
Bonuses & Restrictions

Time limit 30 days
Not Available

TornadoBet Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
78
Richard Casino

50% up to $500

Reload bonus
Main details

Minimum deposit $20 +

Deposit at least €20 to claim this deposit bonus, which gives you a 50% match up to €500 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 40 x (D+B) +

Wagering is 40x on your deposit plus bonus, which is above average. A €100 deposit gives you a €50 bonus, and €100 + €50 = €150 x 40 = €6,000 in wagers. Free spin winnings have no wagering, you can withdraw them straight away.
Bonuses & Restrictions

Time limit 7 days
Not Available

Richard Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
79
BlueFox Casino

50% up to $100 + 100 free spins

1st deposit bonus
Main details

Minimum deposit $10 +

Deposit at least £10 to claim this deposit bonus, which gives you a 50% match up to £100 on your deposit. Use bonus code BFC25 when depositing and you get 100 bonus spins on Big Bass Splash at £0.10 per spin, worth £10 in total.

Wagering 50 x B +

The £50 bonus from a £100 deposit has 50x wagering on the bonus only, which is on the high side. With a £100 deposit you get a £50 bonus, and £50 x 50 = £2,500 in wagers. The 100 bonus spins carry 10x wagering on their winnings.
Bonuses & Restrictions

Time limit 30 days
Not Available

BlueFox Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
80
Betstro Casino

25% up to $200

Reload bonus
Main details

Minimum deposit $25 +

Deposit at least €25 to claim this deposit bonus at Betstro Casino. You get a 25% match up to €200 on your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 50 x (D+B) +

Wagering is 50x on your deposit plus bonus, which is on the high side. A €100 deposit gives you a €25 bonus, and €100 + €25 = €125 x 50 = €6,250 in wagers.
Bonuses & Restrictions

Time limit 30 days
Not Available

Betstro Casino Bonuses

18+ Full Terms Apply. Play Responsibly.
81
Casino Crypto
New Casino

200 free spins

1st deposit bonus
Main details

Minimum deposit $30 +

Deposit at least €30 to claim this deposit bonus at Casino Crypto. You get 200 free spins worth €40 in total with your deposit. No bonus code is needed, the bonus activates on your qualifying deposit.

Wagering 40 x B +

The free spin winnings carry 40x wagering before you can withdraw.
Bonuses & Restrictions

Time limit 7 days
Not Available

Casino Crypto Bonuses

18+ Full Terms Apply. Play Responsibly.

Sources

Malta Gambling Authority