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Reviews of Online Gambling Sites Best Online Casino Bonuses & Promotions 2026
Looking for the best online casino bonuses available to US players in 2025? Our team of bonus analysts has reviewed over 100 casino sites to identify promotions with the highest value and fairest wagering requirements.
Whether you're searching for no-deposit bonuses to test a new casino, reload bonuses to maximize your bankroll, or welcome bonuses, we've done the research so you don't have to.
We don't just list the biggest bonuses. We calculate the actual expected value of each promotion, game restrictions, and time limits, giving you bonuses you can actually cash out.
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Top Online Casino Bonuses Right Now
Our experts have reviewed the bonuses on offer at hundreds of sites. Here’s a list of the best online casino bonuses for different types of players:
| Online Casino | Best Bonus | Best For | Min/Max Deposit | Rollover |
|---|---|---|---|---|
| DuckyLuck Casino | 500% up to $7,500 Welcome Bonus + 150 Free Spins | Slots, video poker | $25/$500 | 30x |
| Wild Casino | Up to 250 Free Spins | New Players | $10 | N/A |
| Slots Empire | 210% up to $2,100 New Game Bonus + 40 Free Spins | Slots, video poker | $10/$1,000 | 35x |
| Super Slots | Up to 300 Free Spins | New Players | $10 | N/A |
| El Royale Casino | 25 Free Spins from No Deposit Bonus | Slots | N/A | 50x |
| BetUS Casino | 200% up to $5,000 | Slots, table games | $50/$10,000 | 30x |
| Sun Palace Casino | 100% up to $500 | Blackjack | $50/$500 | 80x |
| Vegas Aces | 20% up to $500 Crypto Bonus | Slots, table games | $25/$2,500 | 35x |
| OnlineCasinoGames.com | Daily 100% Match up to $1,000 | Slots, table games | $20/$1,000 | 40x |
| Bovada Casino | 100% up to $1,000 (available 3 times) | Slots, video poker, table games | $20/$1,000 | 25x |
How We Find the Best Casino Bonuses
We focus on four important areas when assessing the overall appeal of an online gambling bonus. The best bonuses perform well in all four categories:
Value
We search for online bonuses that match a large percentage of your first deposit, and we also make a note of sites that offer high upper limits.
T&Cs
We know that the most attractive bonuses have realistic wagering requirements, giving you a strong chance of cashing out a profit, so that is an important consideration when we conduct our reviews.
Variety
We examine the variety of bonuses on offer at each site, and lean toward sites that have a wide range of welcome, reload, cashback, and loyalty bonuses so that all players can find a bonus that works for them.
Availability for Gambling Types
Having a great bonus isn’t enough, the gambling sites we recommend also need to have excellent products, like slots, table games, live dealer casinos, poker rooms, and sportsbooks
Types of Bonuses and Promotions
Online casinos offer large welcome bonuses to attract new customers. They compete with one another to provide the most eye-catching promotions, which is great news for players. It means you can shop around for the best deals, with the most attractive wagering requirements.
These casino sites also need to work hard to maintain loyalty among their existing customers, so they offer recurring bonuses as well. Here’s a look at the most popular types of bonuses available:
Welcome Bonuses
Welcome and sign-up bonuses are the most common kind of promo you’ll find at online casinos, sportsbooks, and poker rooms. They typically include a deposit boost, free bets, or free spins.
Now that cryptocurrency is a big part of online gambling, casinos will offer both a regular welcome bonus and a crypto welcome bonus. Crypto bonuses tend to come with higher limits since casinos want to prioritize crypto deposits.
- Common T&C: 25x-40x wagering, 7-30 day expiration
- Best for: Players ready to make a significant first deposit
- Best Welcome Bonus: DuckyLuck’s 500% up to $7,500 with 30x wagering
Reload Bonuses
A reload bonus rewards existing customers for topping up their account balances which is usually 50-150%. It is similar to a welcome bonus, as the site will match a percentage of your deposit with bonus credits.
However, reload bonuses are generally smaller than sign-up bonuses. Yet they also often have lower rollover requirements.
- Common T&C: 20x-30x wagering, weekly or monthly availability
- Best for: Regular players who deposit frequently
- Best Reload Bonus: Bovada’s 125% crypto reload up to $1,250 on 2nd & 3rd deposits
Referral Bonuses
This bonus rewards you for referring your friends to a gambling site. You can request a referral link and send it to a friend. If your friend signs up using that link and makes a deposit, you will be given bonus credits.
The amount you receive will depend upon the size of your friend’s deposit. Your friend will also receive bonus credits, so it is not a one-way street.
- Common T&C: Friend must deposit, both parties receive bonus
- Best for: Players with friends interested in online gambling
- Best Referral Bonus: Bovada’s 200% referral bonus up to $200
No-Deposit Bonuses
No deposit bonuses are a risk-free way to test out games for free at online casinos. Typical no-deposit bonuses include either free spins for select slots games, or a $15-$25 chip to play table games.
No-deposit offers come with high rollover requirements, which encourage players to make a deposit in order to cash out any winnings from the free chip.
- Common T&C: $10-$50 value, 40x-60x wagering, $100-$500 max cashout
- Best for: Testing new casinos before committing real money
- Best No Deposit Bonus: El Royale’s 25 free spins with no deposit required
Cashback Bonuses
Some casino sites will give you back a percentage of any net losses that each week, while others give you back a percentage of your overall betting volume. Usually, cashback bonuses are around 10% of your losses and have no wagering requirements.
- Common T&C: Weekly or monthly calculation, often no wagering requirements
- Best for: High-volume players seeking loss protection
- Best Cashback Bonus: 10% weekly cashback on Wild Casino
Sports Betting Bonuses
Sports betting sites also offer bonuses for first-time users and recurring players. Instead of free spins on slots games, they’ll offer free bets on certain sports, usually with restrictions on the level of risk the wager has. You can also claim deposit bonuses to boost your bankroll. Rollover on sports bonuses is usually around 10-15x, compared to casino bonus rollover, which is usually 30-40x.
Game-Specific Bonuses
As you might have noticed, some casino bonuses are only applicable to certain games. While most deposit promos are usually good for slots and table games (excluding live dealer), there are specific bonuses for games like blackjack, poker, and even slots.
Slots Bonuses
When a casino gives you free spins, it’s often for a specific slot game/s. The spins have a pre-assigned monetary value, like $0.10. Slots bonuses are a cheap way for the casino to get you interested in their new or popular games.
Blackjack Bonuses
Deposit bonuses might not allow you to play blackjack, since it’s one of the most profitable casino games. However, some casinos offer blackjack-specific bonuses. These funds are often only valid for games like blackjack with 6:5 payout, or Spanish 21. The bonuses often come with high wagering requirements to account for the profitability of the game itself.
Poker Bonuses
Online poker is a different beast from other casino games because they are played live with other users. Casinos offer poker deposit boosts, but most of the funds are unlocked over time as users accumulate rake. Sites also offer freeroll and free poker tournament entry.
Understanding Online BonusesUnderstanding Online Casino Bonuses
Online gambling site bonuses are different from traditional casino comps, but they are still designed to attract new customers and reward returning players. However, the math that goes on behind the scenes is more important than most people realize.
To be an informed player, it’s important to read the terms and conditions and understand the rules of the bonus you’re claiming. Here are some tips for determining which bonus is a winner, and which one might be a dud.
Wagering Requirements
The wagering requirement is the most important condition attached to a bonus. It tells you how many times you must roll your bonus funds over before they convert to cash.
For example, if you have a $100 bonus with a 5x wagering requirement, it means you need to place $500 worth of bets before you can cash out. However, if it has a 50x wagering requirement, you need to place $5,000 worth of bets before the funds will convert to cash.
The best online gambling bonuses come with low rollover requirements. The 5x wagering requirement on Bovada’s sports betting bonus is attractive, and so is the 30x wagering requirement on casino bonus funds at DuckyLuck.
Bonus Contribution Rates
Some games will count 100% toward completing the wagering requirements on an online bonus, but others will not. You will normally find that slots will count 100%, but table games will only count 20%, 10%, or 5%, as those have a very high Return to Player (RTP) rate.
If you are playing a game that only contributes 10% towards the wagering requirements, it means that $0.10 of every $1 you wager will count. If the rollover requirement is 35x, but you are playing a game that contributes 10%, it effectively takes the rollover requirement to 350x.
Minimum Deposits for Bonuses
You will need to make a minimum deposit to redeem the vast majority of online gambling bonuses. There are a few no deposit bonuses on offer, but you invariably need to deposit and risk your own money to claim bonus funds.
The minimum deposit required to qualify will be displayed alongside the bonus or in the terms and conditions. It is just $10 at some gambling sites, but you need to deposit at least $100 at others.
Bonus Time Limits
You will need to fulfill the wagering requirements within a certain number of days after receiving bonus funds. If you do not use them within the allocated time, they will be forfeited. That means they will be removed from your account.
The best online sportsbooks, casinos, and poker rooms will give you ample time to complete the requirements. It may be 14 days or 30 days. Just check the T&Cs for details.
Bonus Restrictions
Some online bonuses offers have restrictions in terms of the games you can play. For example, you may not be able to play live dealer games with casino bonus funds. Most casinos do not allow you to play craps either, as some craps bets have very high RTP rates.
There may also be minimum odds restrictions on sports betting bonuses. For example, you might need to place a bet at minimum odds of -200 (1.50), or you may not be able to place a futures bet or cash out your bet before the game ends.
Bonus Codes
Some sites require you to enter casino promo codes if you want to claim certain bonuses. For example, you can use CRYPTO300 to claim the 300% first deposit crypto bonus at Wild Casino or WILD250 to claim the 250% first deposit bonus on a fiat-based payment.
It is important to check whether you need to enter gambling sites’ bonus codes to claim the offers or if they will be applied automatically. If it is unclear, you can ask the customer service team.
How to Claim an Online Casino Bonus
It is easy to claim bonuses. You can follow these steps to claim a promo today:
Online Casino Bonus Mistakes
If you’ve ever seen people leave reviews for online casinos, they often complain about not being able to withdraw their funds. We’re sure that 95% of these people didn’t read the terms and conditions for the bonuses they claimed, which impacted their ability to withdraw their money.
Here are three common mistakes casino newbies often make when it comes to bonuses:
Gamble Responsibly
Online casino bonuses all look enticing, but it’s important to recognize when not to claim a bonus. Not everyone should claim a gambling site bonus, especially if you have a small bankroll and gamble casually.
Wagering requirements and rollover can make it difficult for casual gamblers to withdraw winnings, so always read the terms and conditions before claiming a bonus.
If you notice that you’re depositing more often just to ‘save’ a bonus or clear wagering requirements, that’s a red flag. In that case, skip bonuses entirely and consider reading our responsible gambling guide.
Online Casino Bonuses Summary
Online casinos always have many rotating bonuses and promotions on offer, so if you’re a frequent gambler, it’s a good idea to watch for new opportunities.
The best bonuses have low wagering requirements and flexible limits that let you customize how you want to play. Before you claim a bonus, make sure you understand how much you have to wager, what the bet limits are, and what games or wagers are restricted.
All of our top real money casino sites, sportsbooks, and poker rooms have promos worth claiming, no matter if you’re a novice or a pro.