Major city · South Korea
Siheung시흥
Skip Siheung as a base: it is a Seoul satellite with no old town. Go only for Oido's mudflats and sunset, as a half-day from Incheon or Ansan.
- Weather
- see forecast
- Currency
- KRW
- Best months
- Apr–Jun, Sep–Oct
- avoid Jul–Aug (humid, heavy rain), Jan–Feb (cold, windy coast)
- Airports
- ICN · GMP
- Nights
- 0–1
Rules in force · 5
- East Asia ↗Every border in East Asia is a full international border, Hong Kong and Macau included: an entry permission for one never covers the next.
- East Asia ↗Ferries between Korea, Japan and China cancel in rough seas and typhoons; keep a flight or a spare day behind every sea leg.
- South Korea ↗Check K-ETA and visa status on the official sites before you fly; the list of nationalities exempted from registering online changes year by year.
- South Korea ↗Google Maps gives poor walking and driving directions in Korea; use Naver Map or Kakao Map for routes.
- South Korea ↗Buy a T-money card (or use a phone-based transit pass) for subway and buses; it also pays at convenience stores and many taxis.
Siheung is a southwestern Gyeonggi satellite of about 425,000 people, grown from 100,000 in the 1990s around the Sihwa industrial complex. Its draw is coastal: the Oido shell-mound site, the red lighthouse and the West Sea sunset, plus the Siheung Gaetgol Ecology Park. Sights are spread over roughly 140 km², so a car or a taxi hop matters more than a metro pass. Most travellers see it as a half-day add-on to Incheon or Ansan, not a place to sleep.
Essentials
Quick answers and what things cost
Quick answers
The questions people ask first about Siheung, one line each. Tap a card for the full answer.
- Cash or card?Cards work almost everywhere, including taxis, convenience stores and many market stalls; carry ₩30,000–50,000 (≈ US$25–40) in cash for street food…South Korea-wide
- SIM or eSIMSK Telecom, KT and LG U+ sell tourist SIMs and eSIMs at airport arrivals; a passport is required, and data-only plans are cheapest.South Korea-wide
- Tap waterOfficially safe from the tap; most people drink filtered water, and restaurants serve it free.South Korea-wide
- TippingRestaurants and cafés: No tip; a service charge appears only in top hotels.South Korea-wide
- Plugs & powerSockets C/F. US/Canada (A/B): adapter · UK/Ireland (G): adapter · Australia/NZ (I): adapter. 220 V: US 120 V-only devices (hair dryers) need a converter; most chargers are dual-voltage.South Korea-wide
- SafetyVery safe by big-city standards; the real risks are tidal mudflats, unlit coastal paths after dark and long taxi rides between spread-out sights.
- RestroomsFree, clean public toilets in every subway station; paper goes in the toilet in new buildings, in the bin where a sign asks.South Korea-wide
- Emergency numbers112 police · 119 fire and ambulance · 1330 (≈ under US$1) Korea Travel Hotline (24 h, English) (not 911, 999 or 000)
- Sundays & holidaysPalaces close one weekday (Gyeongbokgung Tuesday, others mostly Monday); national museums open daily but close on 1 Jan, Seollal and Chuseok days.South Korea-wide
- Your embassyFind your embassy's 24-hour line before you fly.
- AirportcheckICN Incheon International (Seohae Line and buses link the airport area to Siheung; allow 1–1.5 h by rail with a transfer (check)).
- Getting aroundThe Seohae Line (Sosa–Wonsi) is the backbone, with Siheung City Hall, Siheung Neunggok, Wolgot, Oido and Jeongwang stations…
Cost cheat-sheet
Typical prices for the everyday things, as ranges. Your currency is shown next to the local price.
- Coffee₩4,000–7,000 (≈ US$3–6)
- Street or quick mealNoodle soup or kimbap lunch₩8,000–13,000 (≈ US$6–10)
- Taxi, about 5 kmTaxi, about 3 miTaxi base fare₩4,800 (≈ US$4)
- Metro or bus rideSubway ride₩1,400–2,000 (≈ US$2) (check)
- SIM or eSIM, a weekeSIM or data SIM, about a week₩20,000–40,000 (≈ US$15–30)
- Budget bedHostel or motel bed, a night, per person₩30,000 (≈ US$25)
- Mid-range bedBusiness-hotel double room, a night, per room₩110,000 (≈ US$80)
- High-end bedBusiness-hotel double room, a night, per room₩200,000 (≈ US$150)
A day, not counting the bed: Budget ₩60,000 (≈ US$45) · Mid ₩100,000 (≈ US$75) · High ₩180,000 (≈ US$130)
Local prices, with USD next to them (rates 2026-09 (approximate); change it in the header). Ranges are desk estimates: check locally. Every price and the budget calculator →
Decide
What it is known for, and when the weather works
At a glance
What the city is known for, how you fly in, and where to find the phrases.
- Airports
- ICN Incheon International (Seohae Line and buses link the airport area to Siheung; allow 1–1.5 h by rail with a transfer (check)) · GMP Gimpo International (Domestic and short-haul; cross Seoul by subway to reach Siheung, about 1.5–2 h (check))
Weather and climate
Siheung: next 7 days
Loading forecast…
Forecast: Open-Meteo (CC BY 4.0), model data for this point.
Air quality
Loading…
Model estimate (CAMS via Open-Meteo), not a street-level station; readings near busy roads run higher.
Jan
3°C37°F
−6°C21°F
5 rd
Feb
5°C41°F
−4°C25°F
5 rd
Mar
11°C52°F
1°C34°F
6 rd
Apr
17°C63°F
7°C45°F
7 rd
May
23°C73°F
13°C55°F
7 rd
Jun
27°C81°F
18°C64°F
8 rd
Jul
29°C84°F
22°C72°F
14 rd
Aug
31°C88°F
23°C73°F
12 rd
Sep
27°C81°F
18°C64°F
8 rd
Oct
21°C70°F
10°C50°F
6 rd
Nov
12°C54°F
3°C37°F
7 rd
Dec
5°C41°F
−4°C25°F
6 rd
High / low °C°F · rd = rain days
Arrive & move
Airports are listed under At a glance; this is how to move once you are in
Getting around
The Seohae Line (Sosa–Wonsi) is the backbone, with Siheung City Hall, Siheung Neunggok, Wolgot, Oido and Jeongwang stations; Line 4 and the Suin–Bundang Line touch the edges and need a transfer. City buses (510, 23, 88) link the districts and the coast; wide-area 3400 and 3200 run to Gangnam and Yeouido. Bikes are easy to rent near Wolgot and Jeongwang stations. Taxis start at about ₩4,800.
See & do
Day-trips, door to door
Day-trips
Door to door: About 40–70 min
Seohae Line toward Wonsi, or bus 23/23-1
Chinatown, Jayang-dong and the port; a full day on its own.
Ansan
goDoor to door: About 40–60 min
Bus 88 or Seohae Line with a transfer
Daebu-do and the lake park; pairs well with Oido.
Door to door: 1–2 h
Wide-area bus 3400 (≈ US$3) to Gangnam or 3200 (≈ US$3) to Yeouido
Commuter buses fill at rush hour; board early.
Suwon
cautionDoor to door: 1.5–2 h
Rail with a transfer via Seoul or Ansan
Hwaseong Fortress is a half day; the transfer eats the morning.
Eat & sleep
Which area to sleep in
Where to sleep
Areas, not hotels: pick the one that fits your arrival time and plans.
Jeongwang
Around Jeongwang station on the Seohae Line; industrial-residential mix, cheapest beds, walkable to buses.
Baegot / Wolgot
New-town blocks by Wolgot Port; seafood restaurants and the coast, but thin on hotels.
Siheung City Hall (Janggok)
Administrative centre with the newest housing; quiet at night, metro on the doorstep.
Practical
What a day costs, what to watch out for, and the pocket card
Cost per day
- Budget
- ₩60,000–90,000 (≈ US$45–65) excl. bed
- Mid
- ₩90,000–150,000 (≈ US$65–110) excl. bed
- High
- ₩150,000 (≈ US$110)+ excl. bed
Trip budget
| Business-hotel double room1 × 1 night × ₩110,000 | ₩110,000 |
| Food, local transport, entries2 × 1 day × ₩100,000 | ₩200,000 |
| Seohae Line ride across the city2 × ₩1,500 · check | ₩3,000 |
| Taxi Oido → Siheung City Hall1 × ₩15,000 · check | ₩15,000 |
| eSIM, about a week of data2 × ₩25,000 | ₩50,000 |
| Buffer 10%Price creep, a taxi you did not plan, one splurge | ₩37,800 |
| Trip total≈ ₩207,900 per person per day, bed included | ₩415,800≈ US$300 |
2026 estimate in won; flights excluded. Your choices stay in this browser.
Prices of common things
| Coffee | ₩4,000–7,000 (≈ US$3–6) |
| Noodle soup or kimbap lunch | ₩8,000–13,000 (≈ US$6–10) |
| Grilled shellfish at Wolgot or OidoPrice by weight; ask before ordering. | ₩30,000–60,000 (≈ US$25–45) per person |
| Taxi base fare | ₩4,800 (≈ US$4) |
| Subway ride | ₩1,400–2,000 (≈ US$2) (check) |
| eSIM or data SIM, about a week | ₩20,000–40,000 (≈ US$15–30) |
2026 estimate; check locally.
Watch out
Safety
- Distances are real: Oido to Siheung City Hall is a long bus or taxi ride, not a walk.
- The coast is tidal mudflat: check tide times before walking out, and never cross a closed gate.
- Many small sights are farms, cafés or experience centres with irregular hours: confirm before travelling.
- Late-night taxi surcharge of 30% applies 23:00–04:00.Late-night taxi surcharge of 30% applies 11:00 PM–4:00 AM.
Emergency numbers
- Police
- 112
- Fire and ambulance
- 119
- Korea Travel Hotline (24 h, English)
- 1330
Pocket card
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Siheung시흥
Pocket card · Voykit
My bed tonight
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이 주소로 가 주세요To this address, please
Emergency
- Police112
- Fire and ambulance119
- Korea Travel Hotline (24 h, English)1330
Embassy
No embassies in Siheung; most are in Seoul, with consulates in Busan and Incheon. US: embassy in Seoul (check the address).
My embassy: —
Fare anchors (2026 estimate)
- Taxi base fare: about ₩4,800 (≈ US$4), 30% surcharge 23:00–04:00about ₩4,800 (≈ US$4), 30% surcharge 11:00 PM–4:00 AM
- Seohae Line across Siheung: ₩1,400–2,000 (≈ US$2) (check)
- Bus 3400 Baegot → Gangnam: wide-area fare, 1–2 h (check)
Say or show
- 안녕하세요 — Hello (annyeonghaseyo)
- 감사합니다 — Thank you (gamsahamnida)
- 이거 주세요 — This one, please (igeo juseyo)
- 얼마예요? — How much is it? (eolmayeyo)
- 카드 돼요? — Can I pay by card? (kadeu dwaeyo)
- 화장실이 어디예요? — Where is the toilet? (hwajangsiri eodiyeyo)
Coastal sights are tidal and weather-dependent: check tide and sunset times the day before.
Deep dive
What this guide covers so far, and its sources
Not a trip line yet
This is a basic guide: no airport-to-bed contract, walking clusters or day plans are published for Siheung. Airport, fare and schedule details are unverified; check the operators before you fly.
What we know, and what is coming
On this page
- Best months: Apr–Jun, Sep–Oct · avoid Jul–Aug (humid, heavy rain), Jan–Feb (cold, windy coast) · month by month →
- 2 airports and 3 areas to sleep in
- Weather: a 7-day forecast and monthly averages
- Cost per day in 3 bands
- 4 day-trips, door to door
- 4 things to watch out for, with emergency numbers
Coming as the guide grows
- Airport-to-bed contract for ICN: last Seohae Line departures field-checked, taxi fallback, overnight rung.
- Walking clusters with rescue anchors: Oido and the lighthouse, Wolgot Port, Siheung City Hall, Gaetgol park.
- Place pages with verified cutoffs (Oido Museum, Sojeon Art Museum, Yongdo Arboretum) and tide times for the mudflats.
- Hostile-weather fixtures so gates A–D can go green.