Hawaii Cannabis Laws for Travelers

Possession limits, transport rules, and where you can legally consume in Hawaii.

Last updated: Loading live guide date

Medical Only

Quick Facts

Public Possession

4 oz flower (medical patients only)

Home Possession

4 oz flower (medical patients only)

Transport Rules

No cannabis allowed in airports — these are under federal jurisdiction. No inter-island transport on commercial flights. Hawaii is an island — cannabis cannot be transported in or out by sea or air.

Medical Reciprocity

Partial Reciprocity

Hawaii allows out-of-state medical cannabis patients to apply for a 329 Visitor card (referring to HRS 329). The application process takes up to 60 days to process, making it impractical for most short-term visitors. Cost is $49.50. Apply through the Hawaii Department of Health before your trip.

Dispensaries & Purchasing

Licensed medical-only dispensaries on Oahu, Maui, Hawaii Island (Big Island), and Kauai. Adult-use legalization has been discussed in the legislature but not passed as of 2026.

Purchase limit: 4 oz per 15-day period (medical patients)

Where You Can Consume

Prohibited. Private property only for medical patients.

Key Facts for Travelers

Medical-only — no recreational/adult-use as of 2026
Out-of-state medical patients must apply 60 days in advance for the 329 Visitor card
Airports are federal zones — no cannabis permitted
No cannabis transport between islands on commercial flights
Dispensaries on all major islands for registered patients
Tourist-accessible cannabis is not legally available without the 329 Visitor card

Never Cross State Lines with Cannabis

Transporting cannabis across any state line is a federal crime under the Controlled Substances Act, regardless of laws in both states. This applies to driving, flying, and mailing. Penalties range from fines to felony charges.

Frequently Asked Questions

Can I buy cannabis as a tourist in Hawaii?

Only if you have a valid Hawaii 329 Visitor card. Out-of-state medical patients can apply for this card through the Hawaii Department of Health, but the process takes up to 60 days. Without this card, there is no legal access to cannabis for tourists.

How do I get a Hawaii visitor medical cannabis card?

Apply online through the Hawaii Department of Health at health.hawaii.gov before your trip. The fee is $49.50 and processing takes up to 60 days. You must already hold a valid medical cannabis card from your home state.

Can I bring cannabis to Hawaii on a plane?

No. Airports are under federal jurisdiction where cannabis is illegal. Domestic flights carry federal jurisdiction. Even if you had a valid Hawaii 329 card, you cannot bring cannabis through airport security.