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