Sportsbook reviews are plentiful, and with the emergence of social media platforms like Facebook and Twitter, everyone has an opinion, and anyone can publish them.

The sportsbook reviews posted below will help you find which online sports betting websites you can trust.

Since 1998, OSGA has been compiling data, not just opinions. We look at player feedback, independent research, phone calls and inside information to give you the most honest, in-depth and objective sportsbook reviews possible.

When you want enjoy some action on sports, you want to have the best online betting experience possible and OSGA provides sportsbook reviews to help you find the right place to bet online. We strive to help ensure that by continually monitoring and reporting of the top online sportsbooks from around the world.

Have a question about a site that is not listed here, but seems like a good deal? Check out the OSGA complete sportsbook list first. The OSGA complete sportsbook list and more sportsbook reviews can be found here. For more information on top sportsbooks worldwide, become an OSGA VIP.


BetOnline Review (888) 898-1848

Licensed and regulated by the government of Panama, BetOnline was one of the first to establish an international sports wagering service in that country. has enjoyed steady growth and has become one of the leading international online sports books.


(888) 464-2387

This sportsbook started back in 1997 as Casablanca Sports. This place has a great website with square betting, blogs and babes, and offers decimal pricing as well as American odds. Generally for recreational players but will take action on everything out there.


(800) 305-3517

5 Dimes gets very high marks from players. Their sportsbook offers reduced juice and hundreds of betting options. They will take any size player and offers solid payouts via a number of methods. 5Dimes is one of the leaders in the industry.

In-depth review...


(800) 509-4847

GTBets is one of the top rated books for their customer service and ability to make every player have the same experience. Players who bet $5 or $500 get the same treatment at GTBets. In addition to a great mobile betting website, GTBets pays quickly and without hassle. One of the few sportsbooks in Curacao that is licensed and operates from the tiny Caribbean island.

Heritage Sports

(800) 800-7777

Heritage Sports is one of the sharpest operations online. They have great offerings, including reduced juice and cash back, and some of the best betting lines anywhere. The live betting platrom at Heritage is top-notch and they do real customer service, while paying players without delay.

Diamond Sports

(877) 223-8374

Diamond Sports has been providing quality service to customers worldwide for nearly two decades. They have very solid backing and get players taken care of with excellent wagering options and fast payouts. In addition to a great website, Diamond, or DSI, as they are ofen referred to, provides early lines and live betting.


(877) 717-7747

BetPhoenix has been online since the mid 2000s and does an excellent job for not just English speaking customers, but also for players who speak Madarin and Vietnamese. If you are looking for quality sportsbook in your language that offers a wide variety of sports, horse racing and casino offerings, BetPhoenix should fit your needs.


(877) 827-3978

Bookmaker is one of the largest and most respected outifts anywhere. This book has over 20 years offshore and operates without a hiccup, no matter what. They take large bets and pay like clockwork. Playing with Bookmaker means you are playing with the Kings of Costa Rica.