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Wonderweeks Company inc., | CEO: Kyungyoon Kang | Business Registration Number: 653-81-02169 8F, ES Tower, 17 Teheran-ro 52-gil, Gangnam-gu, Seoul, Republic of Korea | email: contact@mom-mom.net | tel: +82-2-1600-9351

Copyright 2024 Wonderweeks Company inc. All Rights Reserved.

By Seoyoo

A black botanical garden cafe filled with steam

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Popular to girls from 24 to 48 months

Updated at 05/04/2026

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  • Address

    By Seoyoo, 1F, 779, Dosingobok-ro, Yeonseo-myeon, Sejong-si, Republic of Korea

  • Contact

    0507-1472-7742

  • Facilities

    Parking

  • Reservation

    Same-day visits and on-site registration only (no reservations)

  • Open/Closes

    MonRegular closed day
    Tue11:30 ~ 18:00
    Wed11:30 ~ 18:00
    Thu11:30 ~ 18:00
    Fri11:30 ~ 18:00
    Sat11:30 ~ 20:00
    Sun11:30 ~ 20:00

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Popular Ages of By Seoyoo

By Seoyoo is
popular to from 24 to 48 months girls

under 12 months

from 12 to 24 months

from 24 to 48 months

over 48 months

  • boys

    39%

  • girls

    61%

Prices & Programs of By Seoyoo

  • [Fees]
  • Coffee - 5,500 won~7,500 won
  • Ade - 6,500 won~7,000 won
  • By Seoyoo meat pie - 8,500 won
  • Apple juice - 5,500 won
  • Please check the attached image for the full menu and detailed prices.
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Parenting Tips for By Seoyoo

  • The outdoor garden is spacious, so it is great for children to run around.
  • Baby chairs are not available, but there are wide sofa seats that are good for children to sit on.
  • There are stairs at the entrance, so it is hard to get a stroller up.
  • Because the interior is black and the steam is highly visible, children may not notice the stairs and could trip, so make sure to stay close. There are glow-in-the-dark stickers attached to the stairs.
  • It is known for its delicious pies, so we recommend trying one.
  • For children's drinks, there is apple juice.
  • As an opening gift, they give a handmade lighter.

A Sweet Time with Your Child, Sejong 'Byseoyu'

An Introduction to This Charming Space

Located on the 1st floor at 779 Dosingobok-ro, Yeonseo-myeon, Sejong Special Self-Governing City, 'Byseoyu' is a stylish spot near Gobok Reservoir, known for its beautiful natural scenery. With its clean, refined interior and lush views through the large windows, it is a comfortable place for the whole family to relax.

Highlights to Enjoy with Your Kids

  1. Cozy and spacious seating
    A variety of table sizes and seating options are available, so families visiting with children can stay comfortably with plenty of space.

  2. Signature pies and desserts
    Byseoyu is especially well known for its wide selection of pies and desserts, making it easy to recommend as a great pie spot. The moist and sweet pies are especially popular and easy for kids to enjoy too.

  3. Specialty coffee
    Fresh drip coffee and a variety of drinks are prepared for parents. In addition to standard coffee options, you can also try seasonal special menu items, so there is a wide range of choices for all ages. Apple juice is also available.

  4. Natural surroundings
    Since it is located right near Gobok Reservoir, you can enjoy wide open views outside the windows. It is a great place to stop by after a walk with your child, and the outdoor scenery creates an open, relaxing atmosphere. The spacious outdoor garden is great for kids to run around and play.

Visitor Information

  • Business hours: Please refer to the existing information. (Closed on Mondays)
  • Parking: Parking available
  • Amenities: Wi-Fi, separate restrooms for men and women, seating suitable for laptop use, baby chair, nursing room, diaper changing station, stroller rental
    (Reservations are not available)
  • Takeout available, and local currency and Zero Pay are accepted

Things to Know Before You Visit

  • There are stairs at the entrance, so it may be difficult to bring a stroller inside. If you plan to use a stroller or visit as a group, calling ahead is recommended.
  • The interior has a black design where moisture can be easily visible, so there is a risk that children may not notice the stairs and trip, which means they should be closely supervised. Fluorescent stickers are attached to the stairs.
  • The wide window seats are popular, so visiting early is recommended.
  • There are wide sofa seats, which are comfortable for children.

MomMom Summary

"'Byseoyu' is a warm and stylish place near Gobok Reservoir in Sejong where moms and kids can enjoy spending time together. With a variety of handmade pies, tasty desserts, and coffee for parents, it is a place where the whole family can have a satisfying visit. Enjoy a special day with wide window views that let you feel close to nature and with convenient facilities."

FAQ about By Seoyoo

  • What makes Byseoyu special for visiting with a child?
    Byseoyu has a spacious outdoor garden, making it a great place for kids to run around and play. Inside, there are tables of various sizes and wide sofa seats, so it is comfortable to sit with your child even without a baby chair. It is also well known as a great pie spot, making it perfect for enjoying dessert time with your child.
  • What amenities are available for families visiting with children at Byseoyu?
    Parking is available, and the wide sofa seating makes it convenient to use with children. However, please note that services such as baby chairs, a nursing room, a diaper changing station, stroller rental, and reservations are not available.
  • Does Byseoyu have menu items that are good for kids?
    Yes, handmade pies, sweet desserts, and drinks such as apple juice are available for kids to enjoy comfortably. The pies are especially recommended.
  • Is there anything to be careful about when using a stroller or moving around at Byseoyu?
    There are stairs at the entrance of Byseoyu, so bringing in a stroller can be difficult. There are also stairs inside, so children could trip, and it is safest for a guardian to stay with them at all times. Please also watch for the fluorescent stickers attached to the stairs.
  • I would like to know general information such as hours, parking, and reservations for Byseoyu.
    Business hours are 11:30 to 18:00 from Tuesday to Friday, and 11:30 to 20:00 on Saturdays and Sundays. It is regularly closed on Mondays. There is a dedicated parking lot, so visiting by car is convenient. Please note that reservations are not available.

By Seoyoo Address

Address: By Seoyoo, 1F, 779, Dosingobok-ro, Yeonseo-myeon, Sejong-si, Republic of Koreaicon-copy-black

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How to make a reservation for By Seoyoo?

Same-day visits and on-site registration only (no reservations)