Sports Betting in Japan – Compare the Best Betting Sites 2025

Welcome to BigBettingSites.bet – your trusted platform for comparing licensed online sports betting operators in Japan. Whether you’re into football, basketball, tennis, or eSports, Japan offers plenty of legal and secure ways to place your bets online.

We help you discover top-rated platforms, the latest bonus offers, supported payment methods (including crypto), and key legal information.

✅ Top Sports Betting Websites in Japan with Bonus May 2025

Betting Site	Promotion & Bonus	Register
	🌟 BC.Game Casino – Up to 470% Bonus + 400 Free Spins or up to 5 BTC Top crypto casino for slot and betting fans ✓ Massive welcome package across 4 deposits ✓ 400 free spins on popular slot titles ✓ 10,000+ games including Megaways & jackpots ✓ Daily lucky spin & exclusive VIP club ✓ Supports 100+ cryptocurrencies incl. BTC ✓ Fully mobile-optimized platform ✓	Register!
	🌟 Bets.io Casino – 100% up to 1 BTC + 100 Free Spins Crypto-first online casino and betting plattform✓ 100% match bonus up to 1 BTC + 100 free spins on Throne of Camelot ✓ Over 10,000 games including slots, live casino & table games ✓ Daily cashback up to 20% ✓ Accepts multiple cryptocurrencies ✓ Mobile-optimized platform ✓	Register!
	🌟 Vave Casino – 150% up to 1.5 BTC + 100 Free Spins Crypto-first casino and betting with a sleek, futuristic design ✓ 10,000+ games including Megaways & jackpots ✓ 150% welcome bonus up to 1.5 BTC + 100 free spins on Lady Wolf Moon Megaways ✓ Weekly reload bonus: 50% up to 150 USDT + 100 free spins ✓ Accepts 12+ cryptocurrencies incl. BTC, ETH, USDT ✓	Register!
	🌟 BitStarz Casino – Up to 6 BTC + 180 Free Spins Award-winning crypto casino ✓ Massive 4-part welcome package ✓ 180 free spins on popular slot titles ✓ 50 free spins on sign-up with promo code: CRYPTOSTARZ ✓ 4,600+ games including jackpots & live dealers ✓ Accepts 500+ cryptocurrencies and local fiat ✓ Fast withdrawals ✓ Mobile-optimised platform ✓	Register!
	🌟 Dragon Slots – 225% up to 1,000 Bonus + 100 Free Spins Asia-inspired design with fire-breathing fun ✓ Great selection of slot games including dragon-themed titles ✓ 225% welcome bonus on your first deposit ✓ Mobile-friendly platform ✓ Regular free spins offers ✓	Register!
	🌟 Hellspin Casino – 100% Welcome Bonus + 100 Free Spins Top choice for online slots ✓ 100% bonus on your first deposit ✓ 4,000+ games including classic & new titles ✓ Weekly free spins ✓ Mobile-friendly ✓ VIP club with 12 levels ✓ Fast payouts ✓ Crypto accepted ✓	Register!
	🌟 National Casino – Up to 100% Bonus + 100 Free Spins Top choice for online slots and live games ✓ 100% welcome bonus on your first deposit ✓ 4,000+ games including slots & live dealers ✓ Weekly promotions and free spins ✓ Crypto-friendly with multiple payment options ✓ Mobile-optimized platform ✓ VIP program with 15 levels ✓	Register!
	🌟 SlotsGem Casino – Up to 250% Bonus + 125 Free Spins Generous welcome package across first 4 deposits ✓ Over 2,000 games including slots and live casino ✓ Crypto-friendly with multiple payment options ✓ Weekly promotions and free spins ✓ Fully mobile-optimized platform ✓	Register!
	🌟 Kyngs Casino – 100% Bonus + 300 Free Spins Royal-themed platform with knightly vibes ✓ 100% welcome bonus on your first three deposits ✓ 300 free spins on popular slot titles ✓ Over 3,000 games including slots and live casino ✓ Sports betting available ✓ Crypto accepted ✓ Mobile-optimized platform ✓	Register!
	🌟 Joker8 Casino – 100% Bonus + 200 Free Spins Comprehensive platform offering both casino games and sports betting ✓ 100% welcome bonus on your first deposit ✓ Over 4,000 games including slots and live casino ✓ Weekly reloads and cashback offers ✓ 5-level VIP program with exclusive perks ✓ Crypto-friendly with multiple payment options ✓ Mobile-optimized platform ✓	Register!
	🌟 Vegasino Casino – 100% Bonus + 200 Free Spins + 1 Bonus Crab Extensive game library with over 10,000 titles ✓ Integrated sportsbook offering diverse betting options ✓ Gamified experience featuring the unique Bonus Crab ✓ Tiered 5-level VIP program with exclusive perks ✓ Supports both crypto and fiat payments ✓ Fully mobile-compatible platform ✓	Register!
	🌟 BassBet Casino – 100% Bonus + 200 Free Spins + 1 Bonus Crab ✓ Fishing-themed platform with immersive design ✓ 100% welcome bonus on your first deposit ✓ Over 9,000 games including slots, jackpots & live casino ✓ Integrated sportsbook with pre-match & live betting ✓ Unique "Go Fishing" tournaments & Bonus Crab feature ✓ Crypto-friendly with multiple payment options ✓	Register!
	🌟 AllySpin Casino – 225% Bonus + 200 Free Spins + 1 Bonus Crab ✓ Modern platform with a sporty, social vibe ✓ 225% welcome package across first 3 deposits ✓ Over 12,000 games including slots, live casino & table games ✓ Comprehensive sportsbook covering 50+ sports ✓ Weekly cashback up to 15% ✓ Crypto-friendly with multiple payment options ✓	Register!
	🌟 Nomini Casino – Up to 100% Bonus + 200 Free Spins + 1 Bonus Crab ✓ Fruit-themed adventure with multiple bonus choices ✓ 100% match bonus on your first deposit ✓ Over 4,000 games including slots, live casino & table games ✓ Comprehensive sportsbook with 35+ sports and 250+ football markets ✓ Bonus Crab feature for extra rewards ✓ Crypto-friendly with multiple payment options ✓	Register!
	🌟 Spinanga Casino – 100% Bonus + 200 Free Spins + 1 Bonus Crab ✓ Immersive Inca-themed platform with gamified features ✓ 100% welcome bonus on your first deposit ✓ Over 4,000 games including slots, live casino & table games ✓ Integrated sportsbook offering pre-match & live betting ✓ Unique Bonus Crab feature for extra rewards ✓ Crypto-friendly with multiple payment options ✓	Register!
	🌟 BoaBoa Casino – 100% Bonus + 200 Free Spins + 1 Bonus Crab ✓ Tropical-themed platform with gamified features ✓ 100% welcome bonus on your first deposit ✓ Over 4,000 games including slots, live casino & table games ✓ Integrated sportsbook offering pre-match & live betting ✓ Regular promotions and tournaments ✓ Crypto-friendly with multiple payment options ✓ Mobile-optimized platform ✓	Register!
	🌟 Wazamba Casino – 100% Bonus + 200 Free Spins + 1 Bonus Crab Award-winning platform with a gamified jungle adventure ✓ 100% welcome bonus on your first deposit ✓ Over 4,000 games including slots, live casino & table games ✓ Integrated sportsbook offering pre-match & live betting ✓ Unique Bonus Crab feature for extra rewards ✓ Crypto-friendly with multiple payment options ✓	Register!
	🌟 GreatWin Casino – 100% Bonus + 200 Free Spins Modern platform with over 3,000 games ✓ 100% welcome bonus on your first deposit ✓ 200 free spins distributed over 10 days ✓ Integrated sportsbook offering pre-match & live betting ✓ Bonus not available via Skrill or Neteller ✓ Crypto-friendly with multiple payment options ✓	Register!
	🌟 Cashed Casino – 100% Bonus + 200 Free Spins Fresh design with a crypto-friendly approach ✓ 100% welcome bonus on your first deposit ✓ Over 7,000 games including slots, live casino & table games ✓ Integrated sportsbook offering pre-match & live betting ✓ Weekly reloads and cashback offers ✓ Supports Bitcoin, Litecoin, Tether & more ✓	Register!
	🌟 Spinsy Casino – 100% Bonus + 200 Free Spins Modern luxury look & crypto-friendly ✓ 100% welcome bonus on your first deposit ✓ 200 free spins distributed over 10 days ✓ Over 9,000 games including slots, live casino & table games ✓ Integrated sportsbook offering pre-match & live betting ✓	Register!

These online sportsbooks are trusted by players in Japan and offer a reliable, feature-rich betting experience:

22Bet – Extensive sports coverage, high odds, generous welcome bonus
BC.GAME – Crypto-focused, instant payouts, sleek user interface
1xBet – Global brand with deep market options, live streaming, fast withdrawals
20Bet – Modern platform with pre-match & in-play betting, easy-to-use mobile app
Mostbet – Offers both sports and casino games, local payment options available
Megapari – Strong on football, competitive odds, multi-language support
VAVE – New crypto-native sportsbook, fast registration, no KYC required in most cases
Bets.io – Fully crypto-based, anonymous betting, smooth UX and casino integration

📌 Note: Some platforms may require identity verification (KYC) or the use of a VPN or mirror site to access their services in countries with restricted access due to geoblocking or local regulations.

🌍 International Betting Sites for Japan

Many players in Japan prefer using international online sportsbooks or Foreign Betting Sites due to their wider betting markets, competitive odds, and generous bonuses. These platforms are often licensed in well-regarded jurisdictions such as Curacao, Malta, or the Isle of Man, allowing them to legally accept players from around the world.

If domestic options are limited or heavily taxed, international bookmakers can provide a reliable alternative – especially for those who want to access football, tennis, eSports, or niche betting markets not covered locally. However, always check whether access to these platforms is allowed under local regulations and consider using a VPN or mirror site if needed.

⚖️ Legal Status of Sports Betting in Japan

In Japan, sports betting is allowed under the following conditions:

Only licensed platforms are permitted
Minimum legal age: 18+ (or as defined locally)
Taxes may apply (e.g., 12% on stakes; additional taxes on winnings possible)
International platforms may need local approval to operate

💡 Tip: Always use licensed betting platforms to avoid legal risks.

📊 Betting Overview for Japan

Criterion	Details for Japan
📜 Regulatory Authority
⚖️ Legal Status	Legal with licensed operators (since )
🧑 Minimum Age	18+ (or as per local laws)
💱 Currency	Local Currency (e.g. PLN, EUR, USD)
💳 Popular Payment Methods	Visa, Mastercard, Skrill, BLIK, Bitcoin, Ethereum
🧾 Taxes	12% on stakes, plus possible 10% on winnings over 2,280
🪙 Crypto Betting	✅ Supported by platforms like BC.GAME, 22Bet
💡 Mobile Betting	✅ iOS/Android apps available, often with exclusive bonuses
🔄 Cash-Out Feature	✅ Offered by major operators for live and multi-bets

💳 Popular Payment Methods for betting in Japan

Payment Method	Description	Availability
Visa / Mastercard	Traditional credit and debit cards	High
Skrill / Neteller	Digital wallets	Medium
Local payment	Local payment system	High
Bitcoin / Ethereum	Cryptocurrency transactions	Medium
Bank Transfer	Direct bank transactions	High

📱 Mobile Betting & Bookmaker Apps in Japan

Most top platforms offer full-featured mobile apps or responsive websites:

Compatible with Android & iOS
Live betting and cash-out functions
Fast deposits & withdrawals
Mobile-exclusive bonuses

🪙 Crypto Sports Betting Options in Japan

A growing number of platforms accept digital currencies like Bitcoin, Ethereum, and USDT. Benefits include:

Fast, secure transactions
Enhanced privacy
No involvement of traditional banks

🪙 Crypto Benefits: Fast, anonymous, and no banking involvement – ideal in countries with regulatory restrictions or high inflation.

❓ Frequently Asked Questions about Sports betting Sites in Japan

Is sports betting legal in Japan?

Yes – sports betting is legal in Japan when using licensed platforms that follow local laws and regulations.

Which sports betting sites are recommended in Japan?

We feature only verified platforms that meet strict criteria for licensing, usability, safety, and positive user reviews.

Are there welcome bonuses for new users?

Yes – most licensed platforms in Japan offer welcome bonuses, including free bets, risk-free wagers, or cashback offers.

Can I deposit with cryptocurrency on the betting sites in Japan?

Yes – many betting sites in Japan now accept cryptocurrencies such as Bitcoin (BTC), Ethereum (ETH), and more.

Is mobile betting available in Japan?

Absolutely – most platforms offer mobile-friendly websites or dedicated apps for betting on the go.

Best Betting Sites in Japan