South Korea consistently ranks among Asia’s most welcoming destinations. Public transport is world-class, the food is extraordinary, and violent crime is rare enough to feel almost theoretical. But “safe and easy to visit” doesn’t mean “anything goes.” Korea has its own deep cultural logic, and a few firm laws — and ignoring either can quickly turn a great trip awkward, or worse, expensive.

This guide covers the most common mistakes tourists make in South Korea, the cultural customs that matter most, and the specific rules that carry genuine legal consequences.


Table Manners: Get These Right

Korean dining is full of unspoken rules. Most locals won’t say anything if you break them, but getting them right shows real respect.

Don’t start eating before the eldest person at the table. In Korean culture, hierarchy governs almost every social situation. Wait until the senior person has lifted their spoon or gestured for everyone to begin.

Don’t stick chopsticks upright in your rice bowl. This is one of Korea’s most firmly held taboos. Rice with standing chopsticks mirrors funeral offerings made to the dead — it’s deeply inauspicious. Rest chopsticks across the top of the bowl or on the chopstick rest instead.

Don’t pass food directly from your chopsticks to someone else’s. Again, this is a funeral rite in Korean tradition. Place the food on their plate instead.

Don’t pour your own drink. When sharing alcohol, pour for everyone else and allow someone to pour for you. Using both hands — one holding the bottle, one supporting the wrist — shows respect. This applies especially with an elder or senior colleague.

Don’t refuse a drink from an elder. Even if you don’t want to drink, accepting the gesture politely (and taking a small sip) is considered the respectful response. An outright refusal can be interpreted as a snub.

Don’t hold your soup bowl up to your mouth. Unlike in Japan, rice and soup bowls in Korea stay on the table. Eat from them with a spoon.

Don’t blow your nose at the table. This is considered unclean. Excuse yourself and step away.

Don’t try to split the bill at a restaurant. In Korean dining culture, someone pays the whole bill — usually the eldest person or whoever invited the group. Splitting is uncommon and sometimes considered awkward in traditional settings. Returning the favour on a different occasion is the expected norm.


General Social Etiquette

Don’t write someone’s name in red ink. In Korean tradition, names written in red are associated with death. Use blue or black.

Don’t use one hand to give or receive. Whether you’re handing over cash, a business card, a gift, or even a receipt — two hands (or one hand supported at the wrist by the other) conveys respect. This small detail goes a long way.

Don’t fold or stuff a business card into your pocket immediately. Treat it with attention: look at it, acknowledge it, and place it carefully on the table or in your wallet. Cramming it away is a dismissal of the person.

Don’t address people by their first names without permission. Koreans use titles and honorifics. In professional or semi-formal settings, use job titles, Mr/Ms with surnames, or ask how the person prefers to be addressed.

Don’t shout, laugh loudly, or play music through your phone’s speaker in public. Korean public spaces — subways, cafés, restaurants — operate at a noticeably quieter volume than many Western countries. Keep your voice down and use earphones.

Don’t keep your shoes on indoors. Remove shoes before entering homes, many traditional restaurants (those with floor seating), and some guesthouses. The same applies at jjimjilbang (Korean bathhouses), where you’ll swap street shoes for indoor slippers at the entrance. If there’s a step at the entrance and a rack of shoes, that’s your cue.


Public Transport Rules

Seoul’s metro is one of the best in the world, and Koreans treat it with corresponding seriousness.

Don’t eat on the subway. Food (other than a capped water bottle) is strongly frowned upon. Finish your street food before boarding.

Don’t make phone calls on the metro. Send a message instead. This is observed almost universally and loud phone talkers receive pointed stares.

Don’t sit in the reserved seats. Pink or blue-marked seats at the ends of carriages are reserved for the elderly, pregnant passengers, and people with disabilities. Even if no one in that category is present, locals generally leave them empty. Sitting in one and failing to move when needed is considered very rude.

Don’t forget to tap your T-money card when exiting a bus. On Seoul buses, you must tap in and tap out to receive transfer discounts. Missing the exit tap costs you the next fare reduction.


Tipping: Just Don’t

This is simple: do not tip in South Korea. Tipping is not customary, is not expected, and can cause confusion or embarrassment. Servers are paid standardised wages and service is considered a professional duty, not a transaction. In some cases, staff will actually chase you down to return the money, assuming you left it by mistake. Skip it entirely.


Photography and Privacy

Don’t photograph people without permission. South Korea takes personal privacy seriously, and this has legal weight (see below). Photographing individuals — particularly in unflattering or intimate situations — without consent can result in civil liability.

Don’t photograph military installations. This applies to anything that could be considered a security-sensitive site: military bases, certain government buildings, checkpoints near the DMZ. Penalties can be severe.

Don’t assume temples welcome photographs everywhere. Many Buddhist temples and historical sites restrict photography inside main halls. Look for signs, and when in doubt, ask.


Things That Are Illegal — and What They Cost

Drugs: Zero Tolerance, Zero Exceptions

South Korea operates a complete zero-tolerance drug policy that applies equally to tourists and residents. There are no grey zones here.

  • Possession of marijuana/cannabis: up to five years imprisonment or a fine of up to ₩50 million for simple possession
  • Possession of harder narcotics — cocaine, methamphetamine, MDMA, LSD, or equivalent controlled substances: up to ten years imprisonment or a fine of up to ₩100 million for simple possession or use
  • Large-scale trafficking: can result in life imprisonment

Critically, this extends to substances legal in your home country. CBD oil, hemp-derived products, and cannabis — even if you have a valid prescription from a US or European doctor — are illegal to bring into or possess in South Korea. Border security checks baggage thoroughly, and anyone caught will face criminal proceedings regardless of their nationality.

Poppy seeds are also illegal. This includes poppy seed bagels, condiments, or health products. It sounds surprising, but it is enforced.

If you take any prescription medication that contains narcotics or controlled substances, contact the Korean Ministry of Food and Drug Safety (K-MFDS) before your trip to obtain prior approval. Carrying medication without this documentation risks confiscation and potential prosecution.


Drone Flying Without Proper Authorisation

South Korea updated and tightened its drone regulations significantly in early 2026 — the result of a multi-year legislative process driven in part by security concerns along the DMZ — and enforcement is active.

Rules for tourist drone operators:

  • Maximum altitude: 150 metres (492 feet)
  • Daylight hours only
  • No fly zones are extensive: approximately 99% of Seoul’s airspace is restricted and requires special military authorisation
  • A 15 km no-fly buffer zone applies along the eastern DMZ; 10 km on the western side
  • Aerial footage showing identifiable faces or vehicle number plates must be blurred before publication, unless you have explicit consent from those individuals
  • Filming near government buildings or military installations is strictly prohibited
  • Commercial drone operations require insurance and separate filming permits

Flying in a restricted area without authorisation can result in fines, equipment confiscation, and criminal charges. If you’re a serious photographer considering drone work, contact the Korean Ministry of National Defense well in advance to request the required permits.


Jaywalking

Yes, it is enforced. Crossing outside a designated pedestrian crossing: ₩20,000 (~$14 USD) fine. Crossing on a red pedestrian signal: ₩30,000 (~$21 USD). Police do issue on-the-spot fines to tourists, and enforcement has increased noticeably since 2024.


Littering

Don’t drop litter. Fines for littering can reach ₩200,000 (~$145 USD) for repeat offenders. In 2024, 75% of all misdemeanour penalties issued to foreign tourists in Jeju were for littering. Korean authorities are increasingly issuing on-the-spot fines to visitors, and enforcement campaigns are ongoing. Use the provided rubbish bins or hold on to your waste until you find one.

Other fines in this category include public urination and public disturbance, both of which carry misdemeanour penalties and potential short-term detention.


Smoking and Vaping in Prohibited Areas

Smoking is banned in many enclosed and semi-enclosed public spaces, and vaping follows the same rules. Vaping in a non-designated area carries a fine of up to ₩100,000 (~$67 USD), and the device and liquids can be confiscated. Designated smoking areas exist outside most major buildings — use them.


Drinking and Driving

Korea’s drink-driving threshold is among the strictest in the world: 0.03% blood alcohol content (compared to 0.08% in most US states; 0.08% in England, Wales and Northern Ireland; and 0.05% in Scotland). That’s roughly one drink for most adults. The penalties — heavy fines and imprisonment — are proportionate to how seriously this is treated. If you’ve had anything to drink, take a taxi or use the subway.


Illegal Gambling

Online gambling and unlicensed gambling are both illegal in South Korea. Fines of up to ₩10 million apply for first-time offenders; habitual or repeat offenders face fines of up to ₩20 million or imprisonment of up to three years. Foreign nationals caught gambling illegally can also be deported and banned from re-entry.


South Korea’s privacy laws are broad and actively enforced. Non-consensual filming or photography, particularly of a sexual nature, is a serious criminal offence carrying potential imprisonment. Even filming people in public spaces in an intrusive or harassing manner can result in complaints and legal proceedings. This includes using your phone to film in changing rooms, bathrooms, or other private areas — incidents that have received significant international attention in recent years.


Political Activity as a Foreign National

Foreign nationals are legally prohibited from participating in domestic political activities in South Korea. This includes attending rallies as a demonstrator, donating to political parties, or distributing political materials. Violations can result in a change of visa status and deportation.


A Few More Things Worth Knowing

Don’t assume your travel insurance covers everything. If you’re hospitalised in South Korea, medical costs can be high. Ensure your policy covers medical evacuation as well as in-country treatment. Our Korea travel essentials guide has more on what to sort before landing.

Don’t exchange money at the airport without comparing rates. Incheon Airport exchange booths are better than in many countries, but dedicated exchange shops in Myeongdong, Hongdae, and Insadong generally offer better rates for large amounts. See our money and currency tips for the full breakdown.

Don’t rely solely on Google Maps for transit. It has improved, but Naver Map or Kakao Map are far more accurate for Seoul’s buses, real-time updates, and walking directions. Download at least one before you arrive.

Don’t underestimate Korean summers. July and August are genuinely brutal — high humidity and temperatures regularly hitting 35°C (95°F) or above. Book accommodation with air conditioning, carry water, and pace yourself.

Don’t ignore scammers offering “traditional ceremonies.” A common tourist scam involves strangers offering spiritual or cultural experiences and then presenting a significant bill at the end. If something sounds too generous, it probably is.


The Bottom Line

South Korea is an outstanding destination, and the vast majority of tourists leave without any issues. The cultural customs in this guide are mostly about showing respect — for elders, for shared spaces, for Korean traditions. The legal rules are clear and increasingly enforced, particularly around drugs, drones, and public behaviour.

Go in informed, stay curious, and you’ll have a trip that’s genuinely hard to fault.