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. 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. Casino Games Online. Arena Bet &. . Click here for Arena software and withdrawal. Gambling Facilities and Casinos. Santa Ana, San Jose Rescue Center Costa Rica. 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. Is it possible to bet on sports at Arena in Costa Rica? Find your bonus code and free bets for Costa Ricans.