Colorado Online Sportsbook Reviews & Ratings
Colorado, home to passionate fanbases for the Denver Broncos, Colorado Rockies, Denver Nuggets, and Colorado Avalanche, has embraced sports betting since its legalization in 2020. However, while regulated sportsbooks like FanDuel and DraftKings dominate the headlines, offshore sportsbooks remain a popular alternative for bettors seeking broader markets, crypto banking, and generous bonuses.
Colorado Sports Betting App Reviews & Ratings
Offshore Sports Betting Sites in Colorado: Top Picks for 2025
Platforms like BetOnline, Bovada, BetUS, Bookmaker, BUSR, MyBookie, Sportsbetting.ag, and XBET offer legal access to Colorado residents, operating under international licenses and providing secure, mobile-optimized betting experiences. These sites cater to fans across the state—from Denver to Durango—offering deep coverage of U.S. sports, college teams, and global events.
The Legal Landscape of Sports Betting in Colorado
Colorado legalized sports betting through Proposition DD, allowing both retail and online sportsbooks to operate under state regulation. As of 2025, over a dozen domestic apps are live, but offshore sportsbooks remain legal and accessible, as they are not subject to U.S. federal or state restrictions.
Key points:
- Legal Age: 21+ for domestic sportsbooks; 18+ for offshore platforms
- Retail Betting: Available in Black Hawk, Central City, and Cripple Creek
- Offshore Access: No enforcement against individual bettors; sites licensed in Panama, Curaçao, and Costa Rica
- Crypto-Friendly: Offshore platforms support Bitcoin, Ethereum, and other altcoins for fast, anonymous transactions
Top Offshore Sports Betting Sites in Colorado for 2025
1. BetOnline: The Premier Colorado Sportsbook
Overview: Founded in 2004 and licensed in Panama, BetOnline is Colorado’s top offshore sportsbook, renowned for its extensive betting markets, early lines, and community-driven promotions. It’s a favorite for NFL, NBA, and NCAA fans, particularly those backing the Broncos, Avalanche, or Buffalos.
- Sportsbook: Covers 30+ sports, including NFL, NBA, MLB, NHL, college football and basketball, soccer (EPL, MLS), MMA, eSports, and politics. Features live betting, same-game parlays, and a Prop Builder for custom bets. Early lines for NCAA games provide a strategic edge for Colorado State and Buffalo bettors.
- Features: Live streaming for select events, BetTV for expert picks, and a mobile-optimized site (no app required). Contests like Betting Squares and NFL MegaContest ($200,000 guaranteed) offer high payouts.
- Banking: Supports Bitcoin, Ethereum, Litecoin, Ripple, credit cards (Visa, Mastercard, Amex, 9.75% fee), bank wire, and person-to-person transfers. Crypto withdrawals are processed in 24–48 hours, with limits up to $100,000.
- Why Choose BetOnline?: Its no-wager free bets, early lines, and live streaming make it ideal for Colorado’s diverse sports fans, though fiat deposit fees are a drawback. Reddit users praise its fast payouts and NCAA coverage.
- BetOnline Promo Codes:
- Promo Code : Welcome Bonus: 50% match up to $250 Risk Free Sports Bets & 100 Free Spins (code: FREE250, $55 minimum, 1x rollover).
- Promo Code : Crypto Bonus: 100% match up to $1,000 for first crypto deposit (code: CRYPTO100, 14x rollover).
- Promo Code : Reload Bonus: 25% match up to $250 weekly (code: LIFEBONUS, 10x rollover)..
2. BetUS: Best for Bonuses and Crypto
Overview: Operating since 1994 under a Curaçao license, BetUS is a veteran sportsbook known for its massive bonuses and beginner-friendly resources, including BetUS TV and the Locker Room blog, appealing to novice bettors in Denver and Boulder.
- Sportsbook: Covers 25+ sports, with deep markets for NFL, NBA, MLB, NHL, and college sports. Offers live betting, player props, and futures, with a focus on Colorado teams like the Broncos and Nuggets.
- Features: BetUS TV provides free expert picks, and the Locker Room offers betting guides. Live betting is seamless, with 200+ NBA markets.
- Banking: Accepts crypto (Bitcoin, Ethereum, Litecoin), credit cards (4.9%–9.75% fee), bank wire, and e-wallets (PayPal, Skrill). Crypto payouts are fee-free, processed in 24 hours.
- Why Choose BetUS?: Its high-value bonuses and educational resources suit beginners and high rollers, but the $100 minimum deposit may deter casual bettors.
- BetUS Promo Codes:
- Promo Code : Welcome Bonus: 125% match up to $2,500 (code: JOIN125, $100 minimum, 10x rollover, 20% for casino).
- Promo Code : Crypto Bonus: 200% match up to $3,250 (code: JOIN200, $100 minimum, 15x rollover, split for sports and casino).
- Promo Code : Reload Bonus: 150% sports/50% casino bonus (code: FIRST200).
- Promo Code : Referral Bonus: 300% match up to $6,000.
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3. Bookmaker: Best for High Rollers
Overview: Founded in 1986 and licensed in Costa Rica, Bookmaker is a pioneer known for high betting limits and sharp odds, catering to professional bettors in urban hubs like Boulder and Aspen.
- Sportsbook: Covers NFL, NBA, MLB, NHL, college sports, soccer, and eSports, with extensive prop bets and futures. Features live betting with competitive in-play odds.
- Features: Early lines and high limits attract pros. No mobile app, but the site is mobile-friendly. 24/7 live chat support.
- Banking: Supports Bitcoin, Ethereum, credit cards, bank wire, and person-to-person transfers. Crypto withdrawals are processed in 24 hours, with high limits.
- Why Choose Bookmaker?: High limits and sharp odds appeal to serious bettors, but the modest welcome bonus may not attract casual players. It’s praised for accepting sharp action without limiting winners.
- Bookmaker.eu Promo Codes:
- Promo Code : Welcome Bonus: 20% match up to $500 (code: BKM500, $100 minimum, 8x rollover).
- Promo Code : Crypto Bonus: 100% match up to $500 for crypto deposits (code: CRYPTO100, $100 minimum 20x rollover).
- Promo Code : Risk Free Bet: 100% Risk Free First Bet up to $400 (code: GET100, $100 minimum 1x rollover).
- Promo Code : NFL Promo: 100% match up to $500 (code: NFL500, $100 minimum 20x rollover)
4. Bovada: Best for Prop Betting and Poker
Overview: Launched in 2011 and based in Costa Rica, Bovada is Colorado’s most trusted sportsbook, known for its Prop Builder tool and intuitive mobile platform, popular in tech-savvy Silicon Valley.
- Sportsbook: Offers 25+ sports, including NFL, NBA, MLB, NHL, college sports, soccer, and niche markets like surfing and beach volleyball, popular in coastal areas. The Prop Builder enables custom bets for players or stats.
- Features: Live betting with streaming for select events, detailed pre-game stats, and a seamless mobile site (no app needed).
- Banking: Accepts Bitcoin, Ethereum, credit cards (Visa, Mastercard, Amex, 5.9% fee), bank wire, and gift cards. Crypto withdrawals are processed in 24 hours, with limits up to $9,500.
- Why Choose Bovada?: The low 5x rollover and Prop Builder attract strategic bettors, but limited fiat withdrawal options and late odds releases are cons. Reddit users laud its user-friendly design.
- Bovada Promo Codes:
5. BUSR: Best for Horse Racing
Overview: Licensed in Curaçao, BUSR excels in horse racing and sports betting, offering competitive odds and a generous welcome bonus, appealing to fans at tracks like Santa Anita and Del Mar.
- Sportsbook: Covers 30+ sports, including NFL, NBA, college sports, and eSports. The racebook supports U.S. and international tracks with a 10% rebate on losses.
- Features: Live betting, cash-out options, and a user-friendly interface. No mobile app, but the site is mobile-optimized.
- Banking: Supports Bitcoin, Litecoin, credit cards, bank wire, and MoneyGram. Crypto payouts are fee-free, processed in 24–48 hours.
- Why Choose BUSR?: Its horse racing focus and high welcome bonus suit Colorado’s racing enthusiasts, but the 20x rollover is steep. It’s ideal for Santa Anita Derby bettors.
- BUSR Promo Codes:
- Promo Code : Welcome Bonus: 100% match up to $2,500 (code: SPORTS100FB, $100 minimum, 20x rollover).
- Promo Code : Crypto Bonus: 150% match up to $2,500 (code: CRYPTO150).
- Promo Code : Rebate: Up to 10% on horse betting losses.
6. MyBookie: Best for Mobile Betting
Overview: Launched in 2014 under a Curaçao license, MyBookie is a fan favorite for its mobile-optimized platform and same-game parlays, popular among urban bettors in Denver.
- Sportsbook: Covers 30+ sports, including NFL, NBA, MLB, NHL, soccer, and eSports. Offers live betting, prop bets, and a bet builder for custom wagers.
- Features: Same-game parlays, a news section with betting tips, and live betting with cash-out options. No app, but the mobile site is top-tier.
- Banking: Supports Bitcoin, Litecoin, Ethereum, credit cards, bank wire, and e-wallets. Crypto payouts are processed in 24–48 hours.
- Why Choose MyBookie?: Its mobile experience and parlay options are ideal for on-the-go bettors, but limited live streaming is a drawback. It’s praised for quick payouts.
- MyBookie Promo Codes :
- Promo Code : Welcome 100% Risk Free Bet up to $500 MB100BB
- Promo Code : Welcome 100% Deposit Bonus up to $1,000 MB100
- Promo Code : Crypto Welcome 100% Bonus up to $1,000 CRYPTO100
- Promo Code : Welcome 10% Cash Bonus to $200 1x rollover 200CASH
- Promo Code : Reload up to 35% MBSPORTSRELOAD
- Promo Code : Crypto Reload up to 55% MBCRYPTORELOAD
7. Sportsbetting.ag: Best for Sports Contests
Overview: Acquired by BetOnline in 2012 and licensed in Panama, Sportsbetting.ag offers the widest sports coverage and early lines, appealing to Colorado’s diverse betting interests.
- Sportsbook: Covers 40+ sports, including NFL, NBA, MLB, NHL, eSports, and entertainment (Oscars, politics). Features live betting and Multi-View for tracking multiple games.
- Features: Live streaming, early college lines, and betting contests with cash prizes. Mobile site is strong, no app needed.
- Banking: Supports Bitcoin, Ethereum, Litecoin, credit cards, bank wire, and checks. Crypto payouts are fee-free, processed in 24–48 hours.
- Why Choose Sportsbetting.ag?: Its market variety and early lines suit Colorado’s college sports fans, but high crypto rollovers are a downside. It’s ideal for Oscars or election betting.
- Sportsbetting ag Promo Codes:
8. XBET: Best for Low Rollers
Overview: A sister site to MyBookie, XBET, launched in 2014 and licensed in Curaçao, excels in live betting with a sleek mobile platform.
- Sportsbook: Covers 25+ sports, including NFL, NBA, college sports, and eSports. Live betting offers reduced-juice -105 lines and a bet builder.
- Features: Live betting with cash-out, mobile-optimized site, and 24/7 support. No live streaming or app.
- Banking: Accepts Bitcoin, Litecoin, credit cards (4.9%–9.75% fee), and bank wire. Crypto payouts are fast, within 24 hours.
- Why Choose XBET?: Low sports rollover and live betting appeal to active bettors, but limited withdrawal options are a con. It’s great for real-time NBA betting.
- XBet Promo Codes:
- Promo Code : Welcome Bonus: 50% match up to $200 (code: XBWELCOME50 10x rollover).
- Promo Code : Crypto Welcome Bonus: 100% up to $200 (code: XBCRYPTO100 10x rollover)
- Promo Code : Reload Bonus: 25% match up to $250 (code: XB25, 10x rollover).
- Promo Code : Casino Bonus: 200% match up to $500 (code: XBC200, 40x rollover).
Comparing Promos for Colorado Bettors
1x Rollover Promos to start betting today – Must use Promo Code
- Betonline: 50% First deposit bonus to $250 in free bets and 100 Casino Spins
- Bookmaker: 100% First deposit bonus match for a risk free bet.
- Sportsbetting: 50% First deposit bonus to $250 in free bets and 100 Casino Spins
- MyBookie 100% First BET Risk Free to $500, risk free bet.
| Sports Sites | Click Code | Bonus | Type | Rollover |
|---|---|---|---|---|
| BetOnline ag | FREE250 | $250 Free Bets | All | 1x Rollover |
| BetOnline ag | CRYPTO100 | 100% to $1,000 | Crypto | 14x Rollover |
| BetUS | JOIN125 | 125% to $3,125 | Non Crypto | 10x Rollover |
| BetUS | JOIN200 | 200% to $5,000 | Crypto | 15x Rollover |
| Bookmaker | GET100 | $400 Free Bet | All | 1x Rollover |
| Bookmaker | NFL500 | 100% to $500 | All | 20x Rollover |
| Bovada | BV1000 | 50% to $1,000 | All | 5x Rollover |
| Bovada | BTCSWB750 | 75% to $750 | Crypto | 5x Rollover |
| BUSR | SPORTS100FP | 100% to $2500 | All | 20x Rollover |
| BUSR | 100CRYPTOP | 100% to $1,000 | Crypto | 10x Rollover |
| MyBookie | MB100BB | 100% to $500 | All | 1x Rollover |
| MyBookie | CRYPTO100 | 100% to $1,000 | Crypto | 10x Rollover |
| Sportsbetting ag | WELCOME | $250 Free Bets | All | 1x Rollover |
| Sportsbetting ag | CRYPTO100 | 100% to $1,000 | Crypto | 14x Rollover |
| XBET | XBWELCOME50 | 50% to $200 | All | 8x Rollover |
| XBET | XBCRYPTO100 | 100% to $200 | Crypto | 10x Rollover |
Final Verdict on Sports Betting in Colorado
Colorado bettors have access to both regulated and offshore sportsbooks, but offshore platforms offer unique advantages:
- Crypto banking for fast, anonymous payouts
- Low rollovers and high-value bonuses
- Deep market coverage, including college sports and entertainment
- Mobile optimization for betting anywhere—from Denver to Telluride
Whether you’re backing the Broncos, betting on Nuggets player props, or wagering on CU Boulder football, offshore sportsbooks like BetOnline, Bovada, and BetUS offer secure, rewarding experiences tailored to Colorado’s diverse sports culture.