Top 10 List Of Online Casino Sites for Costa Rica in ; #1. slotsmillion slotsmillion casino slotsmillion review. Jackpot City ; #2. Sign up for a € Bonus and Free Spins. Judging by the photos of the dealers, plus a traceroute, they have moved to Costa Rica. A list of the latest no deposit bonus codes updated daily from the popular casinos with regular offers for new and existing casino members. Discover incredible online gambling fun when you play at Slots Million Casino. Slots Million Casino ; #4. Spin Casino. Gaming Club Casino ; #3. . Bodog Casino ; #5. Costa Rica, Cote d. SlotsMillion Online Casino Review - Play slots games from Playtech, Microgaming & more. With more than one hundred games and great bonuses, every minute is a thrill.