Arena Bet &. Is it possible to bet on sports at Arena in Costa Rica? Find your bonus code and free bets for Costa Ricans. Santa Ana, San Jose Rescue Center Costa Rica. Guacima, Alajuela. . ArenaBet Casino brings a huge collection of games to the table, all available for free and real money in a secure gaming setting. Non-profit Organizations. Gambling Facilities and Casinos. Click here for Arena software and withdrawal. Casino Games Online. Click here for Arena software and withdrawal. Is it possible to bet on sports at Arena in Costa Rica? Find your bonus code and free bets for Costa Ricans. ArenaBet Casino brings a huge collection of games to the table, all available for free and real money in a secure gaming setting.