Best Online Casinos in Spain: Our Top 10 for September 2025

We understand that every player has their own preferences and questions. As experts, we focus on providing tailored recommendations. Whether you’re searching for the best bonuses, the most popular live dealer games, or a casino that accepts Bizum, we’ve got you covered.

Using our experience, we evaluate casinos based on the factors that matter most to you.

Check out the categories below and find the casino that meets your needs!

How We Test and Review Online Casinos

At O-C.com our number one aim is to provide good options for our readers. It’s not enough to simply have set criteria, instead we tailor this based on both gambling regulations and player preferences, rather than relying on a one-size-fits-all approach.

Having access to plenty of trustworthy payment methods is one of our key considerations, both for deposits and withdrawals, ensuring the process is seamless while you enjoy playing.

While these key points are part of our our online casino testing process, there are other additional factors that we like to see in a casino site. An element that can really enhance or detract from the online gambling experience is the design and usability of the site or app.

We prioritize recommending safe casino sites with intuitive and visually appealing designs that make navigation a breeze. A good filtering and search function in the games’ library is also a nice extra.

While top-notch customer service in Spanish is standard across all the sites we recommend, we also favor those offering multilingual support, ensuring players can access help without any language barriers.

Why You Can Trust Online-Casinos.com

We are an eclectic bunch with one thing in common, we live and breathe online casinos! Our experts are truly immersed in this industry, reviewing and testing casinos and sharing this knowledge with our readers.

In an industry that evolves as quickly as this one, staying current is key. We’re dedicated to keeping our pages up to date, ensuring you always have the latest information at your fingertips.

Spain Gambling Regulations & Player Safety

Online gambling licensing and regulation in Spain is overseen by the DGOJ (Directorate General for the Regulation of Gambling), which is part of the Ministry of Social Rights, Consumer Affairs, and the 2030 Agenda. Let’s take a closer look at how this government institution ensures player protection and safety.

Spain has taken a strict yet well-balanced approach to gambling regulation. Indeed, there are many similarities to licensing and regulatory compliance found in the UK, which means that players have a wide choice of games available, but with firm guarantees of player safety and security as priorities.

As part of the licensing conditions, legal online casinos must use .es web domains, with the “Juego Seguro” logo displayed as proof they are licensed. You can also access a complete list of legal and licensed gambling operators at the DGOJ website, while the regulator actively blocks unlicensed and illegal overseas web domains.

Likewise, there’s a keen emphasis on responsible gambling. Licensed casinos must provide access to tools that can help to prevent gambling addiction. One such tool is RGIAJ, the national registry offering players the option to self-exclude and block access to gambling websites. Players must also have access to the Jugar BIEN website, providing advice and help for the avoidance of problem gambling.

What Kind of Casino Games Will You Find?

There is a wide variety of gaming options at the online casinos in Spain, including the latest slots and popular table games like roulette, baccarat, and blackjack. Live games with real dealers are also available. They provide the most immersive and interactive aspect of online gambling.

Discover the Best Online Casino Game Developers

The best casino sites that we cover feature games designed by a wide variety of developers, ranging from large and popular studios to small companies or newcomers.

The most popular software providers usually stand apart with their graphics and features. For most players, the fun factor is the most important one, but the reputation and trust in the brand also play a key role in securing a good gambling environment.

List of Payment Methods

The best online casinos in Spain offer access to safe and trustworthy payment methods, both for deposits and withdrawals. Debit and credit cards are widely accepted, such as Visa and Mastercard, as are direct bank transfers or e-wallets like PayPal and Skrill.

As prepaid cards go, paysafecard is the most widely available option. Bizum has also become the most popular instant credit transfer method in Spain, surging in popularity over the last few years and particularly on mobile.

Worth noting is that regulated casinos will not directly accept cryptocurrencies, so you won’t have options available for Bitcoin or Ethereum.

Here is a full list of payment methods:

What You Need to Know about Bonuses & Promotions

Welcome bonuses are designed to entice you. But remember: they’re not free gifts!

We understand that the lengthy terms and conditions can feel overwhelming and be a source of frustration. That’s why we’ve done the hard work of deciphering the bonus terms for you.

With decades of combined experience, we know exactly what to look for when evaluating a promotion to ensure it offers real value.

How to Choose the Best Casino Bonus

Back in 2020 Spanish gambling operators were banned from offering or advertising bonuses. However, that ban was repealed by the Supreme Court in 2024. This means that once again, Spanish casino sites are now legally able to offer players a variety of promotions that include welcome bonuses.

We’ve evaluated the bonuses available and highlighted some important questions to ask yourself. Ideally, you should be able to answer these questions before accepting or activating a bonus:

• Wagering Requirements: How many times do I need to playthrough the bonus?
• Contribution of Games: Which games contribute to fulfilling the wagering requirements?
• Time Limits: When does the bonus expire?
• Betting Limits: What is the minimum amount I can deposit before claiming the offer?
• Choice of Games: Which games can I use the bonus funds or spins to play?

It is essential that you read the terms and conditions of any bonus you wish to claim, and be sure that you fully understand how they work. If you’re unsure, or you think they do not match your playing style, then do not accept.

Responsible Gambling

Gambling addiction is considered to be a serious issue in Spain, and responsible gambling support has become an integral part of licensing compliance. Players must always have access to self-exclusion tools, including the General Register of Gaming Access Bans (RGIAJ), available via desktop or mobile app.

The DGOJ and licensed gambling operators also promote the Jugar BIEN website, offering support and advice for players to counter problem gambling issues. We believe these are both excellent initiatives, helping players to enjoy gambling online responsibly and maintain control, alongside the option to stop completely when the need arises.

Our Conclusion

In addition to showcasing the top Spanish casino sites, we’ve outlined key factors to consider, including available payment methods and criteria for selecting bonuses. This information is designed to assist you in making informed and confident decisions when choosing where to play.

We believe the DGOJ has found the right balance with gambling regulation in Spain, taking a firm but fair approach that ultimately protects players. Look for the “Juego Seguro” logo as the hallmark of safety and security. Don’t waste your time or money playing at unlicensed and illegal gambling sites.

Frequently Asked Questions

Still got questions? Then check out this FAQ section for the most common queries about online casinos in Spain. Ask and you shall receive!

Are online Casinos Safe?

Yes, the online casinos we have listed on this page are completely safe and secure. We only recommend playing at casino sites that are licensed and authorized by the Dirección General de Ordenación del Juego (DGOJ) in Spain, carrying the “Juego Seguro” logo with a link to the regulator website.