Offline Casino Play in Person: Yes, at 27 locations.Offline Betting in Person: Yes, at five locations.Minimum Gambling Age in New Mexico: 21 (in-state), 18 (offshore sites).Legal Gambling: Yes, in-state (only at tribal casinos) and offshore.For information about betting in the state, please consult our sports betting in New Mexico page. We have gathered all the important current facts about gambling in New Mexico.