Isomaru Suisan, the seafood izakaya chain known for its live shellfish and tableside grilling, is holding a Korean Fair from Monday, July 6 through Monday, August 31, 2026, bringing a lineup of spicy Korean dishes and drinks suited to summer appetites.
Fair Overview
- Locations: All Isomaru Suisan locations, except Isomaru Suisan Shokudo and the Yamagata Ekimae store
- Period: July 6 (Monday) to August 31 (Monday), 2026
- Note: Locations in Hokkaido, Ishikawa, Aichi, Nagano, Hiroshima, Fukuoka, Kagoshima, and Kumamoto prefectures begin selling the fair menu from Wednesday, July 8
App Member Campaign
To thank regular customers, Isomaru Suisan is also running a campaign exclusively for official app members during the fair.
- Locations: Isomaru Suisan locations with the app enabled, except Isomaru Suisan Shokudo and locations in Hokkaido, Yamagata, Ishikawa, Hiroshima, Fukuoka, Kagoshima, and Kumamoto prefectures
- Period: July 6 (Monday) to July 31 (Friday), 2026
- Details: App members who order from the Korean Fair menu receive a coupon for one free chuhai — either Hyoketsu Lemon or Hyoketsu Sugar-Free Lemon — to use on their next visit
- Eligibility: Registered app members who spend at least ¥1,000 (before tax) per visit
For more details, see the official announcement: https://isomaru.jp/news/3428/

Menu Lineup
Cheese Tteokbokki
¥699 (tax included: ¥769)
Chewy tteokbokki rice cakes combining a spicy sauce with melted cheese.

Red Shrimp Gejang-Style
¥899 (tax included: ¥989)
A dish where sweet, melt-in-the-mouth shrimp meets a spicy sauce.

Jjukkumi-bokkeum (Stir-Fried Baby Octopus)
¥699 (tax included: ¥769)
Baby octopus stir-fried in an addictive spicy sauce.

Cheese Balls
¥499 (tax included: ¥549)
Piping hot, chewy cheese balls that are hard to stop eating.

Chijimi (Korean Chive Pancake)
¥599 (tax included: ¥659)
An authentic chijimi that's crispy outside and chewy inside.

Korean Cold Noodles
¥799 (tax included: ¥879)
Cold noodles with a smooth texture and an umami-rich broth, ideal for finishing off a meal.

Bingsu (Korean Shaved Ice)
- Patbingsu (red bean): ¥499 (tax included: ¥549)
- Strawberry Bingsu: ¥599 (tax included: ¥659)

Chamisul (Korean Soju)
Strawberry and Muscat flavors, ¥989 each (tax included: ¥1,088)

Official App
Isomaru Suisan's official app offers new members a free order of tako-san wiener sausages (5 pieces) plus a free dried squid snack, with a complimentary drink coupon as a rank-up reward.