Korea Tourism Organization / VisitKorea
COEX Aquarium
A large indoor aquarium in Gangnam — one of Seoul's best rainy-day backups for families with toddlers and young kids.
Family quick facts
Best for
Toddlers to elementary children
Good for
Rainy day, Indoor activity, Gangnam/COEX route
Indoor / outdoor
Indoor
Rainy-day friendly
Often a good option
Stroller access
Strollers are permitted inside the aquarium, and stroller storage is available. However, the exit route includes escalators or stairs, so families may need to fold and carry the stroller when leaving.
Nearest subway
Samseong Station or Bongeunsa Station
Hours
Daily 10:00–20:00, last entry 19:00.
Closed
Open year-round.
Admission
Paid admission. Children under 36 months may enter free with proof; check official ticket rules before visiting.
Parking
Use COEX / Starfield COEX Mall parking.
Parking fee
Check COEX parking fees before visiting.
Family facilities
Verified family facilities include stroller storage and stroller rental. Check the official source before visiting.
Visit time
1.5–2 hours; no viewing time restriction within opening hours
Reservation
Advance ticket purchase is recommended on busy days.
Some details may change. Please check the official website before visiting, especially for opening hours, admission fees, reservations, nursing rooms, and stroller access. Admission: free (confirm on site).
Why families like it
- Top rainy-day indoor pick in Gangnam
- Easy to combine with Starfield COEX Mall for food and restrooms
- Compact visit length compared with a full theme-park day
- Strong SEO match for indoor kids activities in Seoul
COEX Aquarium is a practical rainy-day option in Gangnam, especially when outdoor plans fail. Mall routes from Samseong Station are usually workable with a stroller, but crowds on wet weekends can make movement slower. Check official tickets, last entry times, and infant policies before visiting.
Family facilities
Strollers are permitted inside the aquarium, and stroller storage is available. However, the exit route includes escalators or stairs, so families may need to fold and carry the stroller when leaving.
- COEX mall family facilities likely exist, but exact nursing/changing info should be verified. Nursing room available in Garden of Korea area; includes breastfeeding space Diaper changing station available in nursing room/facility info
- Go on a weekday morning if possible; pair with lunch inside COEX so you do not need to leave the building in the rain
Getting there
Gangnam-gu, Seoul
Samseong Station or Bongeunsa Station
Check hours & fees on the official siteGood to know
- Very busy on rainy weekends and holidays.
- Confirm ticket types and last admission on the official site.
- Use mall elevators — verify the easiest step-free route from subway.
- Nursing and changing facilities are likely in COEX Mall — verify locations.
Good to know before you go
Busy on rainy weekends and holidays.
COEX has many food options; family seating can still be crowded at peak times.
Nearby family ideas
Explore more spots around Seoul or by family need.
Source & verification
Source: Official website
Some TourAPI details are source-backed but may change. Check official and VisitKorea information before visiting, especially hours, fees, reservations, and facilities.
Last verified: Jun 27, 2026
Details are based on available sources and may not reflect the latest changes.
Information is for reference only. Please check the official website before visiting.