Is Cannabis / THC legal in Guam (US)?
- Legal status
- Cannabis is legal for adults 21 and over in Guam under the Guam Cannabis Industry Act of 2019, alongside the medical-cannabis programme (Public Law 34-80) — adults may possess and cultivate within statutory limits and a regulated retail market is authorized; sale outside the licensed system remains an offence under the Guam Uniform Controlled Substances Act (9 GCA Chapter 67) and the maximum penalty for unlicensed supply is imprisonment
- Consequences if caught
- Cannabis is legal for adults 21 and over in Guam under the Guam Cannabis Industry Act of 2019 and the medical-cannabis programme (Public Law 34-80); adults may possess and cultivate within statutory limits and a regulated retail market is authorized, but sale outside the licensed system remains an offence. In Guam, drugs fall under the Guam Uniform Controlled Substances Act (9 GCA Chapter 67) — the territory's own statute. Trafficking and unlicensed supply carry imprisonment together with a fine; the precise section and penalty terms are left to confirmation against the current statute. The maximum penalty for a drug offence is imprisonment. This cell is sourced via the Guam Compiler of Laws (guamcourts.gov) with Library of Congress corroboration.
- If prescribed or medical
- Adult-use and medical cannabis are both available to qualifying residents; visitors should confirm current possession limits and the licensed-retail rules, and confirm requirements with your embassy before travel.
- Documentation
- In Guam, drugs fall under the Guam Uniform Controlled Substances Act (9 GCA Chapter 67) — the territory's own statute. Trafficking and unlicensed supply carry imprisonment together with a fine; the precise section and penalty terms are left to confirmation against the current statute. The maximum penalty for a drug offence is imprisonment. This cell is sourced via the Guam Compiler of Laws (guamcourts.gov) with Library of Congress corroboration. Cannabis is treated differently from other controlled drugs: it is legal for adults 21 and over under the Guam Cannabis Industry Act of 2019, alongside the medical-cannabis programme (Public Law 34-80), with a regulated retail market; sale outside the licensed system remains an offence. Carry any controlled medicine with its prescription and confirm requirements with your embassy before travel.
- Guam Uniform Controlled Substances Act (9 GCA Chapter 67)
- Guam Cannabis Industry Act of 2019
- Public Law 34-80 (medical cannabis)
- guamcourts.gov
- loc.gov
Drug laws and enforcement change and vary within a country. This is not legal advice. Always confirm with Guam (US)’s embassy or official drug authority before traveling; penalties can be severe, including imprisonment.
Before you travel
Verify current rules with the destination country’s official drug authority and your own country’s embassy before traveling. Find the destination’s U.S. embassy & official country guidance →
Non-U.S. travelers: check your own government’s travel advisory and embassy.
If you’re detained or arrested abroad
Contact your own country’s embassy or consulate in the destination immediately — not the destination’s authorities. U.S. citizens: contact the nearest U.S. embassy/consulate and the U.S. State Department at +1-202-501-4444 (from abroad). If a U.S. citizen is arrested or detained abroad →