26 indoor venues, 21 of them 100% covered. Set the rain intensity to filter out anything with an open courtyard.
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Starfield Library
100% indoor Free
Open library inside COEX Mall
- Subway
- Samseong (L2) Exits 5-6 or Bongeunsa (L9) Exit 7
- Hours
- 10:30, 22:00 daily
- Price
- Free
Avoid weekend 14:00-17:00 for crowds. Weekday evenings feel magical with the tall shelves lit up.
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SEA LIFE COEX Aquarium
100% indoor Family
Indoor aquarium, 15+ themed zones
- Subway
- Samseong or Bongeunsa (same complex)
- Hours
- 10:00, 20:00 (last entry 19:00)
- Price
- ₩28,000 online or ₩35,000 regular
Pre-book online, saves ₩7,000 and lets you skip the window line.
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Bongeunsa Temple
Covered ok Free
1,200-year-old Buddhist temple beside COEX
- Subway
- Bongeunsa Station (L9)
- Hours
- 05:00, 22:00
- Price
- Free
Pair with Starfield. You can duck under the temple eaves if rain picks up mid-visit.
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Goto Mall
100% indoor Free
600+ store underground bargain mall
- Subway
- Express Bus Terminal (L3/7/9) Exits 8-1, 8-2
- Hours
- 10:00, 22:00 (closed 3rd Thursday)
- Price
- Free entry
Korean-first environment, bring Papago. Cards work but keep some cash for small stalls.
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24-hour women-only jjimjilbang
- Subway
- Sinsa Station area
- Hours
- 24 hours
- Price
- ~₩20,000 (12-hour stay)
Perfect rescue plan when an evening outdoor itinerary gets rained out.
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National Museum of Modern and Contemporary Art
- Subway
- Anguk or Gyeongbokgung (10 min walk)
- Hours
- 10:00, 18:00. Wed and Sat late
- Price
- ~₩7,000 (age-based free entry available)
Weekdays feel blissfully empty. Big shows spike sharply on weekends.
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Seoul Museum of Craft Art
100% indoor Free Family
Crafts across eras with a kids museum
- Subway
- Anguk Station Exit 1 (1 min walk)
- Hours
- Tue-Sun 10:00-18:00. Fri until 21:00
- Price
- Free
Friday evening opening is the best-kept secret. Atmospheric and nearly empty.
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Beautiful Tea Museum
100% indoor
Traditional teahouse and tea collection in Insadong
- Subway
- Anguk Station
- Hours
- Check same day (sources vary)
- Price
- Tea + dessert, ₩₩
Pair with MMCA or Ssamziegil for an easy Insadong rainy loop.
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Ssamziegil
Covered ok Free
Spiraling craft shop complex
- Subway
- Anguk Station
- Hours
- 10:30, 20:30
- Price
- Free entry
Open central void means occasional drips. Bring your umbrella to the spiral.
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O'ngo Food Communications
100% indoor
English-friendly Korean cooking classes
- Subway
- Anguk or Bukchon
- Hours
- Class schedule varies
- Price
- Depends on class
A hands-on block that eats up 3 rainy hours and leaves you with a full stomach.
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National Museum of Korea
100% indoor Free Family
Massive indoor campus, free permanent exhibits
- Subway
- Ichon Station Exit 2 (150m walk)
- Hours
- Daytime hours. Wed and Sat late
- Price
- Free (permanent exhibits)
Free coat storage, wheelchairs and strollers. Set aside 3 hours minimum.
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Leeum Museum of Art
100% indoor
Contemporary and traditional Korean art
- Subway
- Hangangjin Station
- Hours
- Tue-Sun 10:30, 18:00
- Price
- Varies by exhibition
Book ahead on weekends. Leeum fills up fast for blockbuster shows.
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I'Park Mall + CGV
100% indoor Free
Station-linked mall with major cinema
- Subway
- Yongsan Station (connected)
- Hours
- ~10:30, 20:30 (cinema later)
- Price
- Free entry
Reserve cinema seats online. Friday evening peak shows sell out.
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War Memorial of Korea
Covered ok Free
War history museum and outdoor exhibit yard
- Subway
- Samgakji Station
- Hours
- 09:30, 18:00 (closed Mon)
- Price
- Free (core)
Less crowded than NMK. Good alternative if you want serious history in peace.
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The Hyundai Seoul
100% indoor Free
Seoul's most stylish premium mall
- Subway
- Yeouido Station Exit 3 (covered walkway to B2)
- Hours
- Mon-Thu 10:30-20:00. Fri-Sun until 20:30
- Price
- Free entry
Exit 3 moving walkway means your shoes stay dry. Weekday morning is the best atmosphere.
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IFC Mall
100% indoor Free Family
Office-tower mall with food court
- Subway
- Yeouido Station
- Hours
- 10:00, 22:00
- Price
- Free entry
Food court gets packed at 12:00-13:00 and 18:00-19:00. Arrive off-peak.
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Times Square
100% indoor Free Family
Large mall, cinema, department store
- Subway
- Yeongdeungpo Station
- Hours
- 10:30, 22:00
- Price
- Free entry
More families and cinema traffic than IFC. Weekend gets busier, weekday if you can.
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Lotte World Adventure
Covered ok Family
Indoor + outdoor theme park
- Subway
- Jamsil Station (connected)
- Hours
- Sun-Thu 10:00-21:00. Fri-Sat until 22:00
- Price
- ₩₩₩
Focus on the indoor "Adventure" side in heavy rain. Arrive at opening.
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Lotte World Aquarium
100% indoor Family
Multi-level aquarium inside the mall
- Subway
- Jamsil Station
- Hours
- 10:00, 20:00 (later Fri-Sun)
- Price
- ₩₩
Right after opening or after dinner is dramatically less crowded.
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Seoul Book Bogo
100% indoor Free
Converted warehouse book complex
- Subway
- Jamsilnaru Station Exit 1
- Hours
- Roughly 10:00-20:00 (closed Mon). Verify same day
- Price
- Free
The antidote to mall fatigue. Calm, architectural, full of second-hand books.
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AK Plaza Hongdae
100% indoor Free
Station-connected mall at Hongik Univ.
- Subway
- Hongik Univ. Station Exit 4
- Hours
- ~11:00, 22:00 (verify)
- Price
- Free entry
Heaviest crowds Friday evenings and weekends. Go weekday morning for calm.
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KT&G Sangsangmadang
100% indoor
Indie cultural complex: gallery, cinema, store
- Subway
- Sangsu or Hongik area
- Hours
- Varies by space
- Price
- Free or paid programs
Check the schedule. Indie film screenings and gigs are the hidden gem here.
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Hongdae NANTA Theatre
100% indoor Family
Non-verbal comedy cooking show
- Subway
- Hongik Univ. area
- Hours
- Performance-time dependent
- Price
- ₩₩
Non-verbal format means zero language barrier. A perfect rainy evening plug-in.
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Dongdaemun Design Plaza
Covered ok Free
Futuristic Zaha Hadid design complex
- Subway
- Dongdaemun History and Culture Park
- Hours
- Major spaces 10:00, 20:00
- Price
- Free or paid by exhibit
Evenings are the most photogenic, but indoor exhibitions are best earlier in the day.
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Doota Mall
100% indoor Free Family
Late-night fashion mall at DDP
- Subway
- Dongdaemun H&CP Station
- Hours
- 10:30, 24:00 (food until 22:00)
- Price
- Free entry
Open till midnight. The Seoul evening rain escape.
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Dongdaemun SPAREX
100% indoor
24-hour sauna and jjimjilbang in Good Morning City
- Subway
- Dongdaemun H&CP
- Hours
- Day sauna 05:00-20:00. Night jjimjil 20:00-05:00
- Price
- ₩₩ (towel and clothes included)
Good for late arrivals. Luggage storage on site.