Gangnam Guide Seafood · Sushi · Grilled Fish

Korea's 10 Best Seafood Restaurants in Gangnam

From butter-soft sushi to chili-sizzling grilled fish, this list traces a delicious tide through Gangnam—perfect for date nights, client dinners, and impromptu celebrations.

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Bantianyao Kaoyu Gangnam spicy mala grilled fish

1. Bantianyao Kaoyu Gangnam (반티엔야오 카오위 강남점) — Gangnam/Seocho

Hours 12:00–23:00 (See tip for mid-afternoon) Address 12, Seocho-daero 73-gil, Seocho-gu, Seoul Value Fiery mala whole fish · share-friendly

Beloved by locals who crave heat, this mala-kaoyu steams and grills whole fish until the skin shimmers and the flesh flakes under chopsticks, perfumed by roasted chilies and numbing Sichuan pepper. The broth bubbles with aromatics; spoon it over rice and feel the tingle bloom into sweetness. It’s lively, loud, and perfect when you want spice with friends without fuss. A few blocks away you’ll find quieter sushi counters—but for now, lean into the sizzle.

  • Order this: Mala whole fish with lotus root–shaped Fen Hao Zi noodles; pick your spice level wisely.
TIPS
15:30–16:30 is dine-in only (no ordering); arrive before or after for full menu access.
User Review
"Delicious! Highly recommend the lotus root-shaped Fen Hao Zi Noodles."
Sushi Sainjo private omakase counter

2. Sushi Sainjo (스시사인조) — Nonhyeon

Hours 17:00–22:00 Address 14, Hakdong-ro 38-gil, Gangnam-gu, Seoul Value Private counter · Ginza-inspired craft

A favorite for anniversaries and sushi purists alike, Chef Lee Dae-seong channels 21 years at Sushi Yamamoto, Sushi Tatsu, and Sushi Yoake into nigiri that’s measured, glossy, and deeply balanced. The shari breathes warm vinegar while the neta lands with precision—clean, elegant, and quietly confident. If Bantianyao was heat and noise, Sainjo is velvet hush and focused pleasure.

  • Order this: Chef’s omakase; let the counter pace guide your bites from light to rich.
TIPS
Reservations via CATCHTABLE or phone. Seating is limited; arrive on time for the counter flow.
User Review
"Chef Lee Dae-sung—no need to say more. The interior, taste, and service are all top-notch."
Sushi Ryeo Premium omakase near Gangnam Station

3. Sushi Ryeo Premium (려廬 프리미엄) — Gangnam Station

Hours 11:40–21:50 (Break 14:40–18:30) Address 34, Hyoryeong-ro 77-gil, Seocho-gu, Seoul Value Jeju-sourced fish · polished service

Locals love this refined counter for its Jeju Hanim Auction House sourcing and calm, attentive pacing led by Chef Son Jae-woong, whose Ritz-Carlton pedigree shows in every cut and brush of nikiri. Expect pristine texture and a clean, ocean-bright finish from the first white fish to the last toro. Lunch can be a smart way to secure seats, then drift into evening with a warm broth and a quiet walk.

  • Order this: Premium omakase; ask about the day’s Jeju highlights.
TIPS
Note the afternoon break; evening slots fill fast near Gangnam Station—reserve early on CATCHTABLE.
User Review
"Service, atmosphere, and taste were excellent. I’m already excited for the next visit."
Dowon Tuna Gangnam assorted tuna sashimi

4. Dowon Tuna Gangnam (도원참치강남) — Yeoksam

Hours 11:00–22:30 (Break 16:00–16:30) Address B101, Mokhwa Millart, 113 Teheran-ro, Gangnam-gu, Seoul Value Cozy sashimi bar · generous cuts

A snug hideout for tuna fans where otoro glistens and chutoro melts like buttered silk. Plates arrive with a sense of abundance, from ruby lean to marbled belly, and the side dishes keep pace without stealing the spotlight. It’s relaxed and satisfying—ideal for small groups looking to linger over one more slice.

  • Order this: Assorted tuna sashimi set; end with a tuna belly hand roll or warm soup.
TIPS
Beat the dinner rush by booking an early evening slot; note the brief afternoon break.
User Review
"I enjoyed delicious tuna sashimi after a long time—very satisfied."
Omakase Sushi Osai Gangnam Station beginner-friendly counter

5. Omakase Sushi Osai — Gangnam Station

Hours 11:30–21:00 Address 5F, Seong-eun Bldg, 28-9 Teheran-ro 1-gil, Gangnam-gu, Seoul Value Beginner-friendly omakase · 11 seats/turn

A welcome gateway for omakase newcomers and a warm, value-driven counter for regulars. A veteran Japanese chef guides you through seasonal bites at an unhurried pace, keeping it cozy, clear, and delicious. Locals often bring visiting friends here first—it’s that easy to love.

  • Order this: Standard omakase course; lunch offers especially strong value.
TIPS
Arrive on time; 15+ minutes late may forfeit entry. Corporate cards/Seoul Pay changes can be handled at the restaurant. There’s a small waiting area if you’re early.
User Review
"It was delicious and fun!!"
HaeWooDam seaweed course dining in private room

6. HaeWooDam (해우담) — Gangnam/Seocho

Hours 11:00–22:00 (Break 14:30–16:30) Address B1, Unam Bldg, 349 Gangnam-daero, Seocho-gu, Seoul Value Seaweed course dining · private rooms

A quietly luxurious Korean course focused on the ocean’s green heart: seaweed. Clean broths and mineral-rich flavors frame delicate seafood, while private rooms set the tone for milestones and business. If you crave calm after the city’s rush, this is your deep breath.

  • Order this: Seaweed-focused course with seasonal seafood; request a private room for special occasions.
TIPS
Reserve ahead for private rooms and mind the afternoon break for smoother seating.
User Review
"The food was excellent—truly delicious."
Black Brick House Charcoal grilled clams in Nonhyeon

7. Black Brick House Charcoal (흑벽돌집 논현본점) — Nonhyeon

Hours 12:00–23:00 Address 28, Bongeunsa-ro 33-gil, Gangnam-gu, Seoul Value Charcoal shellfish + meat · award-winning

Not a traditional “seafood-only” spot—but the charcoal-grilled clams here are the showstopper, snapping open to a briny plume and sweet, silky flesh. It’s lively, social, and perfect for groups that want surf-and-turf with legit fire control. If your night needs energy and a bit of theater, this is it.

  • Order this: Charcoal-grilled clam lineup; balance with bright pickles and greens.
TIPS
Near Eonju Station. Evenings pack up—book ahead on CATCHTABLE for peak hours.
User Review
"Seriously amazing—clams are top quality, and everything just melts. A repeat-visit spot."
Bongpiyang Gangnam Pyongyang cold noodles and hwe

8. Bongpiyang Gangnam (봉피양 강남점) — Gangnam/Seocho

Hours 11:30–22:00 Address 359, Gangnam-daero, Seocho-gu, Seoul Value Pyongyang naengmyeon · optional hwe pairing

Known for its 30-year tradition, this house serves clean, buckwheaty naengmyeon that pairs beautifully with a simple plate of hwe (raw fish) when available. It’s a great call when you crave the ocean’s clarity in a chilled, minimalist form. Families and mixed groups appreciate the broad menu and calm service.

  • Order this: Hwe (when available) to start, then Pyongyang cold noodles to finish fresh.
TIPS
Enter on time; arrivals 10+ minutes late without contact may be canceled. Indicate party size accurately when reserving.
User Review
"A place to enjoy various dishes—raw fish, beef, pork ribs, stone pot rice, and Pyongyang cold noodles."
Sammimi Sushi private omakase with unlimited drinks option

9. Sammimi Sushi (삼미미 스시) — Gangnam

Hours 11:30–22:00 (Break 15:00–17:30) Address 17, Yeoksam-ro 7-gil, Gangnam-gu, Seoul Value Same-day fish · private rooms · drink add-on

Loved by locals and travelers alike, Sammimi offers an approachable omakase with same-day ingredients and the option to dine in a private room. The vibe is generous and fun—especially with their time-limited unlimited drinks add-on for sake lovers. It’s the kind of place where the chef’s warm guidance makes first-timers feel like regulars.

  • Order this: Omakase course; consider the 2-hour unlimited drinks add-on for sake enthusiasts.
TIPS
Unlimited drinks add-on: +20,000 KRW for 2 hours (wine, sake, beer, highballs, whiskey). Call for last-minute reservations: 02-539-8003.
User Review
"An incredibly satisfying meal—generous service and endless sake varieties. Highly recommended!"
Sushi Tsuru 7-seat value omakase in Yeoksam

10. Sushi Tsuru (스시츠루) — Yeoksam

Hours 12:00–22:00 (Break 14:30–18:00) Address B101, Doosan We’ve Centium, 8 Teheran-ro 14-gil, Gangnam-gu, Seoul Value 7-seat counter · stealth value

An under-the-radar counter run by a skill-first chef—no marketing gloss, just focused, value-forward omakase that keeps regulars returning. With only seven seats, the experience is intimate, attentive, and surprisingly versatile for family dinners or small company nights. If you appreciate quiet excellence, this is your lane.

  • Order this: Omakase at the counter; let the chef steer based on what’s best that day.
TIPS
Phone to reserve your preferred time directly with the shop. Small capacity; plan ahead.
User Review
"A skilled chef runs this no-marketing spot—7 seats, perfect for family or company gatherings. Great value."
Shimmering nigiri at Sushi Ryeo Premium

Why book now?

Seafood peaks on timing—fish is flown, counters are small, and great seats disappear fast. Lock in your plans on CATCHTABLE and let freshness, fire, and finesse do the rest.

Shortest waits
Try lunch at omakase spots (Osai, Ryeo Premium) or early dinners at tuna bars (Dowon Tuna) before the evening surge.
Peak-proof plans
Mind afternoon breaks (Ryeo Premium, HaeWooDam, Dowon Tuna, Tsuru). Bantianyao has a mid-afternoon dine-in window with no ordering.
Match the mood
Silent, refined counters (Sainjo, Tsuru) · lively spice nights (Bantianyao) · celebratory private rooms (HaeWooDam, Sammimi) · surf-and-turf energy (Black Brick House).
See Real-Time Seats on CATCHTABLE