Arena Bet &. ArenaBet Casino brings a huge collection of games to the table, all available for free and real money in a secure gaming setting. 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. Guacima, Alajuela. 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. Casino Games Online. Click here for Arena software and withdrawal. Click here for Arena software and withdrawal. Santa Ana, San Jose Rescue Center Costa Rica. Gambling Facilities and Casinos.