The minimum age requirement to enter a casino varies by location, but it is typically 18 or 21 years old. Always check the specific rules of the casino you plan to visit. Some casinos may have different age limits for different activities within the establishment. Remember to bring a valid form of identification to prove your age. It is important to follow the age restrictions in place to avoid any legal consequences. Gambling laws regarding age limits are in place to protect minors from the potential risks associated with casino activities.