You must also follow the laws in the United States. There can be serious negative immigration consequences if you break a State of Hawai’I or U.S. federal law.
Be aware that the legal age to drink alcohol in the United States is 21. Drinking alcohol under the age of 21 and driving under the influence of alcohol or other drugs can have serious consequences. Using illegal drugs (including marijuana) can also have serious negative consequences. Other illegal activities include, but are not limited to: theft, shoplifting, stalking, assault, and sexual offenses. If arrested or convicted of any of these illegal activities, you could be denied re-entry to the U.S., denied a visa, denied immigration benefits, or deported back to your home country.