DiamondSportBook Diamond Sportsbook International (DSI) is the leader in providing safe, legal and secure online gambling on nfl football, college football, horse racing, basketball, mlb baseball, hockey, NASCAR, boxing or any of your favorite sporting events from any location in the world. 20% Sign Up Bonus Register now

Diamond Sportsbook International (DSI) is the leader in providing safe, legal and secure online gambling on nfl football, college football, horse racing, basketball, mlb baseball, hockey, NASCAR, boxing or any of your favorite sporting events from any location in the world.

You will save time and money with our state-of-the-art online sports betting center. Our streamlined online gambling process makes it fast and easy for you to bet on sports. Your winning wagers are credited to your sports betting account moments after the game concludes. We offer same-day payouts to anywhere in the world! When you bet on sports with Diamond Sportsbook and Casino, you have one account number for sports betting in the sportsbook, online casino gambling in the Diamond online casino, thoroughbred and quarter horse racing, and our automated online office pools system.

You can join online or call us TOLL FREE @ 1-800-264-4535 and a DSI representative will assist you. JOIN now and find out how fast and easy it is to gamble online while receiving the best in service, bonuses and convenience of payouts.

DSI FACTS
• 14 Years in Operation - Online Since 1998
• Federally Licensed in the Republic of Costa Rica
• DSI Casino CFG - Fair Gaming Certified