Last verified: March 2026

The Basic Rule: Private Property Only

Cannabis consumption in Maine is limited to private residences and private property where the property owner has given permission. This is more restrictive than some legal states, particularly because Maine has no consumption lounges or social consumption venues.

Public Consumption: $100 Fine

Consuming cannabis in any public place is a civil violation carrying a $100 fine. This includes:

• Streets, sidewalks, and public parks
• Beaches and public trails
• Outdoor dining areas and patios of businesses
• Parking lots and public garages

It is a civil violation, not a criminal offense, so it will not result in arrest or a criminal record. However, law enforcement can and does issue citations.

The Acadia National Park Warning

This deserves special emphasis for visitors. Acadia National Park is federal land, and cannabis is illegal under federal law regardless of Maine state law. Possession, use, and transportation of cannabis within Acadia's boundaries can result in federal charges. This applies to:

• All areas within Acadia National Park
• Park Loop Road, campgrounds, trails, and beaches within the park
• Any other federal property in Maine

No Consumption Lounges (Yet): LD 1365

Cannabis consumption lounges were included in the original Question 1 voter initiative in 2016, but they were stripped out during legislative implementation. This means Maine voters explicitly approved social consumption venues, but the legislature removed that provision.

LD 1365 is a pending bill that would restore social consumption venues to Maine law. If passed, it would allow licensed establishments where adults 21+ could consume cannabis on-premises. As of March 2026, the bill has not been enacted.

The lack of consumption lounges creates a practical problem, especially for tourists: you can legally buy cannabis but have very limited legal options for where to consume it, particularly if your lodging prohibits it.

Vehicle Rules

Cannabis consumption is illegal inside any vehicle, whether you are the driver or a passenger, and whether the vehicle is moving or parked. Additionally:

• Open container: Having an open or previously opened cannabis container accessible to the driver or passengers is a civil violation
• Transport safely: Store cannabis in a sealed container, ideally in the trunk or a locked compartment
• DUI applies: Driving under the influence of cannabis carries serious penalties. See DUI & Driving

Landlord and Rental Rules

Landlords in Maine have the right to restrict cannabis use on their property:

• Landlords can prohibit smoking and vaping cannabis (and tobacco) in rental units
• Landlords can prohibit cultivation without written permission
• Landlords generally cannot prohibit consumption of non-smokable forms (edibles, capsules) in a private unit, though lease terms may vary
• Medical patients have additional protections under §2430-C against being penalized solely for patient status, though this does not override reasonable no-smoking policies

Practical Tips for Consumers

• Private property is your safest option. Your own home or a friend's home with permission is the clearest legal consumption setting
• Edibles are more discreet for situations where smoking or vaping may draw attention or complaints
• Visitors should plan ahead. Before buying cannabis, make sure you have a legal place to consume it. Ask lodging about their policy before booking
• Avoid Acadia and all federal land. This is the most common mistake tourists make

Official Sources

• Office of Cannabis Policy (OCP)
• Title 28-B — Adult Use Cannabis