| Airbnb & Short-Term Rentals | RESTRICTED | Short-term rentals are legal in Hawaii but subject to local regulation. In December 2025, Maui passed a bill to phase ou... |
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| Backyard Chickens | LEGAL | Backyard Chickens are legal in Hawaii. Hawaii County passed a bill in late 2025 to officially permit and regulate backya... |
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| Body Armor | RESTRICTED | Body armor is legal with restrictions to purchase and wear in Hawaii for civilians without felony convictions. No signif... |
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| Brass Knuckles | ILLEGAL | In Hawaii, brass knuckles are classified as prohibited weapons under Hawaii Revised Statutes §134-1. Possession, sale, o... |
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| Butterfly Knives | ILLEGAL | Butterfly knives are illegal to possess, sell, or manufacture in Hawaii. |
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| CBD Products | LEGAL | Hawaii allows the possession and sale of hemp-derived CBD products containing less than 0.3% Delta-9 THC, consistent wit... |
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| Collecting Rainwater | RESTRICTED | In Hawaii, collecting rainwater is generally allowed but regulated under the state's water rights system. According to H... |
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| Composting Toilets | RESTRICTED | Composting toilets may be used in Hawaii but typically only as a supplemental system alongside a conventional toilet. Wh... |
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| Constitutional Carry (Permitless Concealed Carry) | ILLEGAL | Hawaii requires a permit to carry a concealed weapon. Under Hawaii Revised Statutes §134-9, carrying a concealed firearm... |
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| Daily Fantasy Sports | ILLEGAL | Daily Fantasy Sports are not legal in Hawaii. There have been numerous legislative attempts to legalize sports betting a... |
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| Delta-8 THC | RESTRICTED | Hawaii has not explicitly banned Delta-8 THC, but the state regulates THC products under its cannabis laws. Delta-8 deri... |
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| Delta-9 THC Edibles | RESTRICTED | Hemp-derived Delta-9 THC edibles are restricted in Hawaii. A new law set to take effect in 2026 will give the Department... |
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| Driving Barefoot | LEGAL | Hawaii does not have any statutes or regulations that prohibit or restrict driving barefoot. There are no specific laws ... |
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| Drone Flying | RESTRICTED | Drone flying is legal with restrictions in Hawaii under FAA regulations. No significant legislative changes have been ma... |
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| Dumpster Diving | RESTRICTED | In Hawaii, dumpster diving is generally restricted by trespassing laws and specific local ordinances. While there is no ... |
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| Exotic Pet Ownership | RESTRICTED | Hawaii prohibits the possession, importation, and sale of most exotic pets to protect its unique ecosystem. Under Hawaii... |
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| Fireworks | ILLEGAL | In Hawaii, all consumer fireworks are illegal to possess, sell, or use. The state prohibits fireworks under Hawaii Revis... |
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| Flamethrowers | LEGAL | Flamethrowers are legal to own and use in Hawaii with no state-level restrictions. No significant legislative changes re... |
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| Gambling Age | RESTRICTED | The minimum gambling age in Hawaii is 21 for casino gambling and sports betting. State law sets the minimum gambling age... |
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| Hidden Cameras & Surveillance Devices | RESTRICTED | Hawaii law permits the use of hidden cameras in public or common areas but prohibits recording in places where a person ... |
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| Home Distilling | ILLEGAL | In Hawaii, home distilling of spirits is illegal without proper federal permits. Hawaii Revised Statutes § 245-1 prohibi... |
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| Kratom | RESTRICTED | Kratom is legal in Hawaii. There are no state statutes or regulations banning or restricting kratom possession or sale. ... |
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| Lane Splitting (Motorcycles) | ILLEGAL | Hawaii does not have any laws explicitly permitting lane splitting. Under Hawaii Revised Statutes §291C-33, motorcycles ... |
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| License Plate Covers | ILLEGAL | All license plate covers, including clear ones, are illegal in Hawaii and subject to enforcement. Police will issue cita... |
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| Metal Detecting on Public Land | RESTRICTED | Metal detecting on public land in Hawaii is subject to restrictions. No significant legislative changes since the last r... |
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| Nunchucks | LEGAL | Nunchucks are legal to own and possess in Hawaii with no specific restrictions. Hawaii law does not restrict the possess... |
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| Off-Grid Living | LEGAL | Off-grid living is relatively friendly in Hawaii. No significant statewide legislative changes impacting off-grid living... |
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| Online Casinos & Poker | ILLEGAL | Hawaii prohibits all forms of gambling, including online casinos and poker. There are no exceptions under state law, and... |
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| Online Gambling / Sports Betting | UNVERIFIED | Legal status of Online Gambling / Sports Betting in Hawaii has not yet been verified. Despite being one of two states wi... |
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| Open Carry | ILLEGAL | Open carry of firearms is generally prohibited in Hawaii. Recent court decisions have challenged Hawaii's restrictive gu... |
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| Pepper Spray Restrictions | RESTRICTED | In Hawaii, possession of pepper spray is legal for self-defense, but it is restricted under Hawaii Revised Statutes §134... |
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| Poker Home Games | LEGAL | Social poker home games are legal in Hawaii as long as no one takes a rake or house cut from the pot. No significant cha... |
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| Psilocybin / Magic Mushrooms | ILLEGAL | Psilocybin mushrooms are illegal in Hawaii. Psilocybin and psilocin are classified as Schedule I controlled substances u... |
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| Psilocybin Therapy | ILLEGAL | Psilocybin therapy is not legal in Hawaii. In March 2026, the Hawaii Senate passed a bill to create a psychedelics task ... |
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| Radar Detectors | LEGAL | Radar detectors are legal for use and possession in private vehicles in Hawaii. There are no specific prohibitions in Ha... |
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| Radar Jammers | ILLEGAL | Radar jammers are federally illegal in all states including Hawaii under FCC regulations. There have been no recent legi... |
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| Raw Milk Sales | ILLEGAL | In Hawaii, the sale of raw milk for human consumption is prohibited under Hawaii Administrative Rules §11-157-5. Raw mil... |
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| Recording Conversations | RESTRICTED | Hawaii is a two-party consent state under Hawaii Revised Statutes § 803-42. It is illegal to record a private conversati... |
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| Recreational Marijuana | LEGAL | Recreational marijuana is legal for adults 21+ in Hawaii. No significant legislative changes since 2023. |
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| Right Turn on Red | LEGAL | Right turn on red is legal in Hawaii after coming to a complete stop and yielding to pedestrians and cross traffic, unle... |
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| Salvia | ILLEGAL | Salvia divinorum is a controlled or banned substance in Hawaii. Hawaii enforces its ban on Salvia. |
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| Sleeping in Your Car | RESTRICTED | Sleeping in your car is not explicitly illegal under Hawaii state law, but many cities and municipalities have local ord... |
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| Sports Betting | ILLEGAL | Sports betting is not legal in Hawaii. No significant changes since 2022. |
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| Studded Snow Tires | RESTRICTED | The use of studded snow tires is prohibited on public roads in Hawaii except on the designated Mauna Kea access road whe... |
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| Suppressors / Silencers | ILLEGAL | Hawaii prohibits the possession, sale, and transfer of firearm silencers under Hawaii Revised Statutes §134-7. Suppresso... |
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| Switchblades / Automatic Knives | ILLEGAL | Hawaii prohibits the possession, sale, and manufacture of switchblade knives under Hawaii Revised Statutes §134-51. Swit... |
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| Tasers & Stun Guns | ILLEGAL | Tasers and stun guns are illegal for civilian possession in Hawaii. |
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| Vaping & E-Cigarettes | RESTRICTED | In Hawaii, vaping and e-cigarettes are legal for adults 21 and older. The state prohibits sale to minors under 21 (HRS §... |
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| VPN Usage | LEGAL | VPN usage is completely legal in Hawaii. No significant legislative changes have been made recently. |
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| Window Tinting | RESTRICTED | Hawaii law restricts window tinting on vehicles to a minimum of 35% visible light transmission (VLT) on the front side w... |
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