According to our research and estimates, LooseLines Casino is a smaller online casino revenue-wise. Online Sports Betting, Casino, Horse Racing. LooseLines is a popular reduced juice sportsbook based in Costa Rica. Welcome to Looselines Sportsbook, Casino and. We'll tell it to you like it is in this honest review. Our in-depth review of LooseLines will take a full look at their online sportsbook and casino. Looselines offers fast payouts and best odds on your favorite sports. . It is renowned for offering discounted lines on sides and totals. Welcome to Looselines Sportsbook, Casino and Racebook with fast payouts. Looselines. #BTC Try our unique BONUS packages Dime Line, Reduce. This casino is fully licensed in Costa Rica and provides reduced juice lines and other straight bets to novice and advanced players. #BTC Try our unique BONUS packages Dime Line, Reduce Juice and Progressive Line. The Looselines casino offers 16 different game categories - Slots, Blackjack, Roulette, Baccarat, Craps 3D, Slots, Keno, Bingo, Fixed Odds, Live Games, Other. It's part of a group of related casinos. User Login · Online Casino · Games Preview · Treasure & Magic · Frankeslots Monster · Pinocchio · Alkemor's Elements · American Blackjack · Caribbean Poker. Racebook with fast payouts.