Police arrested 10 people on Sunday for unlawful gaming and possession of lottery tickets.
The eight men and two women, aged between 22 and 52, were arrested in a special operation carried out by uniformed officers from George Town Police Station, said an RCIPS press release.
Four remain in police custody while the other six have been released on bail.
A total of $20,000 was recovered in the operation.
The RCIPS would like to hear from anyone who is aware of illegal gaming taking place in the Cayman Islands. Residents can contact their local police station or call Crime Stoppers on 800 TIPS.