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