Arena Bet &. Non-profit Organizations. Casino Games Online. Santa Ana, San Jose Rescue Center Costa Rica. Gambling Facilities and Casinos. 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. Guacima, Alajuela. Is it possible to bet on sports at Arena in Costa Rica? Find your bonus code and free bets for Costa Ricans. 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.