Isle of Man. Belize. The casino pays 9% on winnings, not you. BetDSI Belize. Long time Antigua-based online gambling site, often called the “first ever to launch”, is celebrating its 20th year online. Kahnawake. . Costa Rica. Netherlands Antilles BetDSI Casino · more info · BetFair Casino · more. A year old troubled online gambling site that specialized in soccer betting has been busted up by Israeli police resulting in the arrests of 5 people. Gibraltar. You pay regular income tax I spend weeks trying everything I can to get someone from Betdsi to tell. stars. Malta. BetDSI is rated # of in Belize for online sportsbooks Switch over to the casino to play your favourite slots and table games.