In Quebec and Montreal, you must be at least 18 years old to enter a casino. Canada's legal drinking age is 19. With the exception of Alberta, Manitoba, and Quebec, where the legal drinking age is 18. No matter if the gambling establishment is physical or online, there is a minimum age requirement. Furthermore, it makes no difference if a kid is with an adult. A person under the age of 18 is not permitted to enter a gaming room anywhere, including the Montreal Casino.