Hawaii’s Cannabis Market: What the State’s Own Data Reveals About a Billion-Dollar Opportunity

Hawaii’s medical cannabis dispensaries capture 86 to 87% of every dollar their patients spend on cannabis — a capture rate few other states match. A December 2025 economic analysis commissioned by the Hawaii Department of Health reveals why — and what it means for the rest of the industry.

The report, prepared by Cannabis Public Policy Consulting and commissioned by Hawaii’s Office of Medical Cannabis Control and Regulation, is the most detailed analysis of Hawaii’s cannabis market ever conducted. Its findings complicate the assumption that small-state markets are small opportunities.

A Medical Program That Actually Works

Hawaii’s Hawaii’s medical cannabis programgenerates $5.3 million in monthly sales — about $64 million a year. Those numbers are modest compared to mature markets like Illinois or Massachusetts. The more significant metric is market capture: how much of total patient spending flows through the regulated system rather than illicit or gray-market channels.

According to the CPPC report, that number holds up under scrutiny. Hawaii’s regulated medical dispensaries hold an 86 to 87% share of all dollars spent by registered medical cannabis patients.

Hawaii’s Cannabis Market is in High Demand

The report’s survey results were checked against Hawaii’s BioTrack system, the state-mandated software that records every cannabis plant and transaction from growing through retail sale. The survey estimated $5,409,537 in monthly dispensary sales for March 2025. BioTrack recorded $5,336,706 for the same period, a 98.6% match. That kind of alignment between survey data and actual sales almost never happens in cannabis market research. It gives the report’s future projections real weight.

Hawaii’s roughly 29,800 registered medical patients represent about 2.1% of the state’s population. Each patient spends an average of $210 per month on cannabis products across all sources, with the vast majority of purchases happening through licensed dispensaries rather than other sources. The report notes that medical cannabis patients make up roughly 25% of all adults in the state who used cannabis in the past month — higher than most states — lending further confidence to the conservative nature of their demand estimates.

The Island/CannabisMarket Dynamic

Hawaii’s cannabis market operates under conditions unlike any mainland state, and those conditions shape every aspect of the industry’s economics.

Limited Dispensary Access

The medical program operates through a closed licensing system — the state issued a fixed number of licenses and hasn’t opened applications for new entrants. Eight dispensary licenses were issued under the 2015 Medical Cannabis Dispensary Program, with each licensee permitted to operate up to two retail locations.

Currently, 25 dispensary locations serve the entire state across four islands: Oahu, Maui, Hawaii Island, and Kauai. Molokai and Lanai have no dispensaries. Patients on those islands report average travel times of 70 and 90 minutes to reach the nearest retail location.

Every transaction in this market occurs under a legal contradiction that shapes its structure. Cannabis remains a Schedule I substance under the federal Controlled Substances Act; possession, manufacture, and distribution are federal felonies regardless of state authorization. Hawaii’s dispensaries operate legally under state law while technically violating federal law with every sale. That tension is not abstract: it restricts access to banking services, deters institutional investment, and means the CPPC report’s billion-dollar projections carry an embedded legal risk that no state-level policy can resolve on its own.

Geographic Isolation Affects Supply

Geographic isolation shapes the market in ways not seen on the mainland. Located about 2,500 miles from the continental United States, Hawaii’s cannabis operators can’t simply drive to the nearest supplier when equipment fails or inventory runs low.

This isolation changes how operators buy: they invest in reliable equipment and long-term partnerships because the cost of replacing gear or sourcing emergency supplies from the mainland is far higher than for operators with access to regional distribution networks.

The islands’ tropical climate adds another layer. Persistent humidity means growing operations must actively remove moisture from the air — a step that is optional on the mainland but essential in Hawaii. The CPPC report notes that indoor growing requires careful management of humidification, and pest pressure and mold risks exceed mainland conditions. These factors drive demand for specialized climate control systems, pest management approaches that combine biological and cultural strategies, and genetics selected for tropical growing conditions.

Tourism: The Market Multiplier No Other State Has

Hawaii’s most distinctive market trait is its integration with one of the world’s most valuable tourism economies. The state welcomed about 9.7 million visitors in 2024 who spent roughly $20.7 billion, according to the Hawaii Department of Business, Economic Development and Tourism. The CPPC report made this tourism economy a central focus, and the findings directly address the political objection that has most consistently blocked legalization.

US Tourists

Researchers surveyed tourists from the United States, Canada, and Japan about their cannabis spending patterns and willingness to buy in a legal market. Domestic U.S. tourists indicated an average willingness to spend $124.65 per trip on cannabis products. This is a self-reported survey figure reflecting what respondents expected to spend, not a measure of actual purchases — but at scale it points to major potential cannabis tourism revenue.

Japanese Tourists

The survey data from international markets was, for legalization advocates, arguably more important than the domestic numbers. Japanese tourists represent Hawaii’s largest international visitor market, and concern about negative reactions from Japanese visitors has been a persistent argument against legalization in the Hawaii legislature. The CPPC data undercuts that argument directly. About 57.5% of Japanese respondents said adult-use legalization would have no influence on their decision to visit Hawaii.

Canadian Tourists

Canadian respondents showed even more favorable results. Among the full Canadian survey sample, 64.5% reported no influence on their travel decisions. Given that Canada legalized cannabis federally in 2018, Canadian tourists are already familiar with regulated markets.

The report also examined a natural experiment in Guam, a U.S. territory in the Pacific that legalized adult-use cannabis in April 2019. Researchers tested whether legalization caused a measurable shift in Guam’s tourism trends and found no significant link to either an increase or a decrease in tourism from Japan or South Korea. For Hawaii, where the tourism deterrence argument has been the most powerful political objection to legalization, this finding matters.

The CPPC report projects that tourism would add at least $11.5 million monthly to Hawaii’s cannabis market — a constant baseline that would vary with seasonal visitor patterns. This tourism multiplier sets Hawaii apart from every mainland market and creates year-round demand stability that few other states can match.

The Billion-Dollar Projection for Hawaii’s Cannabis Market

Using growth data from 11 states with existing adult-use markets, the CPPC report models Hawaii’s cannabis market under two scenarios. The first does not account for how taxes would affect buying behavior. The second adjusts for consumer response to a 15% total tax rate.

Under the tax-adjusted scenario — which the report treats as more realistic — the total cannabis market could reach $46 to $90 million monthly by year five of adult-use sales. Without the tax adjustment, those figures rise to $59 to $95 million monthly. The report doesn’t estimate tax revenue directly, noting that “any external application of a flat tax rate to these projections should be interpreted with caution”.

Meeting that demand would require major infrastructure growth. The report estimates Hawaii would need about 65 retail dispensaries statewide in the first year to serve adult-use consumers, medical patients, and tourists — more than double the current 25. Growing facilities would need to expand to between 17 and 67 indoor operations, or between 47 and 376 outdoor facilities, depending on how much growing space regulators permit per license. Total production needs would average about 117,500 plants harvested and cured — dried and processed for sale — per year, roughly 9,700 per month.

For context, the current medical program serves about 29,800 patients. An adult-use market would need to serve an estimated 110,456 adult consumers plus tourists — roughly a four-fold increase in production capacity.

The Challenges with Expanding Hawaii’s Cannabis Market

Scaling to meet that demand will depend heavily on the operators already in the market and the regulatory structure they work within.

Closed Licensing

Hawaii’s closed licensing system creates a market unlike most in American cannabis. The eight existing licensees operate under annual renewal fees that can exceed $100,000, along with mandatory annual audits and rigorous BioTrack compliance reporting. These are sophisticated, professionally run operations — not the early-stage startups or lifestyle businesses common in newly legal markets.

Patient views on supply suggest a system that works but has room to grow. According to the CPPC survey, 68% of patients report “plenty of supply,” but 27.6 % describe supply as “limited,” suggesting gaps in inventory, product variety, or regional access.

Competition from Hemp

Competition from hemp-derived products is an emerging factor. Compounds like delta-8 THC and CBD are extracted from hemp rather than marijuana and often sold in a legal gray area outside state cannabis regulation. Medical patients spend about $661,000 monthly on these products, while adult consumers spend $6.17 million monthly in this category. Hawaii’s passage of Act 269 on July 2, 2025, requires hemp retailers to register with the state starting January 1, 2026, bringing new oversight to a previously unregulated market and potentially shifting some consumer spending back toward licensed dispensaries.

The Legislative Stall

Despite the economic case, Hawaii’s legislature hasn’t been able to act. The 2026 session saw multiple legalization proposals — including a constitutional amendment that would have gone to voters in November and a regulatory framework contingent on federal rescheduling — but House Speaker Nadine Nakamura confirmed in February that neither had enough support to advance. The dynamics that have blocked every previous attempt remain: geographic divisions within the House delegation, objections to the constitutional amendment approach, and districts where ambivalence gives representatives little reason to act.

For the market, the stall creates a specific kind of uncertainty. Existing licensees can’t plan for adult-use expansion without knowing whether it will arrive in 2027, 2028, or later. Potential new entrants have no application to submit. Capital that might flow into Hawaii’s cannabis infrastructure sits on the sidelines.

Federal movement could change the calculus. President Trump’s December 18, 2025 executive order directed the Attorney General to complete the process of rescheduling cannabis from Schedule I to Schedule III. The move wouldn’t legalize cannabis federally, but it would remove the Section 280E tax penalty that prevents cannabis businesses from deducting ordinary business expenses, ease research restrictions, and signal federal tolerance of state-level markets. For hesitant Hawaii legislators, that signal may matter more than any state-level economic analysis.

What the Data Means for the Future of Hawaii’s Cannabis Market

The cannabis industry is starting to understand that market opportunity is not just about population size. Structure, regulation, and competitive dynamics matter just as much. Hawaii is a case study worth watching — a small but highly functional medical market with strong patient loyalty, positioned at the threshold of potential adult-use expansion, tied to one of the world’s most valuable tourism economies, and operating under geographic and regulatory conditions that create market dynamics found nowhere else in the United States.

The fundamentals — patient loyalty, tourism integration, geographic isolation — exist regardless of what the legislature does next. Those conditions are worth understanding on their own terms.

About the Author

RN Collins is the staff writer at Fat Nugs Magazine, as well as 1L at Northeastern University School of Law and a neuroscientist exploring how brain health and the environment intersect. Through her writing, she bridges academic research and science communication to reframe how psychoactive plants and other traditional and alternative medicines are understood. She’s building a career that connects law, technology, and creativity—and welcomes conversations and opportunities across fields that share that vision. Connect with her on LinkedIn!

References

  • Cannabis Public Policy Consulting. (2025). An economic analysis of the current medical and future adult-use cannabis market in Hawai’i.
  • Hawaii Department of Health, Office of Medical Cannabis Control and Regulation. https://health.hawaii.gov/medicalcannabis/files/2026/01/HawaiiReportDesigned_1.20.pdf
  • Department of Business, Economic Development and Tourism. (2025, March). Visitor industry continued improvement in December 2024 [Press release]. https://dbedt.hawaii.gov/blog/25-03/
  • Hawaii Department of Health. (2025c). DOH launches outreach and education initiative ahead of 2026 hemp retail registration requirement [Press release]. https://health.hawaii.gov/news/newsroom/doh-launches-outreach-and-education-initiative-ahead-of-2026-hemp-retail-registration-requirement/
  • Sasano, J. (2026, February 9). Bills aimed at legalizing recreational marijuana lack support. Honolulu Star-Advertiser. https://www.staradvertiser.com/2026/02/08/hawaii-news/marijuana-bills-lack-support/
  • White House. (2025, December 18). Executive order: Increasing medical marijuana and cannabidiol research. https://www.whitehouse.gov/presidential-actions/2025/12/increasing-medical-marijuana-and-cannabidiol-research/

Recent Articles

Search for Articles