Isomaru Suisan
磯丸水産
The "Sea House" in the City
Discover the unique experience of Japanese interactive dining where you grill ultra-fresh seafood yourself in the atmosphere of a fishing hut transported to the heart of major cities.
🌊 The Unique Concept
Isomaru Suisan revolutionizes the seafood experience by recreating the relaxed atmosphere of Japanese "umi no ie" (sea houses) in convenient urban locations.
More than a restaurant, it's a sensory journey where interactive cooking creates authentic moments of connection, similar to Korean BBQ!
🎌 Where Interactive Dining Meets Japanese Innovation
Interactive Dining
Like Korean BBQ or hot pot, Isomaru Suisan emphasizes sharing and communal cooking
🔥 Interactive Grilling Experience
Revolutionary Concept
First to democratize high-end seafood in a casual setting
Accessible luxury for everyone
2009 Innovation
Born in Kichijōji from a surfer's inspiration visiting beach huts
From beach to city
Unique Otōshi
Even the mandatory appetizer is grilled at your table
Participation from arrival
🏮 The Atmosphere: Journey to a Fishing Port
Maritime Decoration
Colorful fishing flags, traditional lanterns and nets
Live Fish Tanks
Living fish swimming before your eyes, guarantee of freshness
Festive Atmosphere
Nostalgic 80s music and warm welcoming shouts
Table Grills
Each table equipped with a small grill for the hamayaki experience
Umi no Ie Style
Recreation of a traditional 'sea house' in the middle of the city
24/7 Service
Many establishments open all night long
🎭 Total Immersion of the 5 Senses
👁️ Sight
Fish swimming in live tanks, colorful traditional fishing flags
👂 Sound
Sizzling grills, retro music, warm welcoming calls from staff
👃 Smell
Marine aromas, fragrant grill smoke, caramelized soy sauce
🔥 Master the Art of Hamayaki (浜焼き)
Hamayaki is the soul of Isomaru Suisan: grilling your own seafood on a small table brazier. Like Korean BBQ, it's a sharing moment where everyone becomes a chef!
1. Preparation
Light the small grill on your table and let it heat up
💡 The grill is safe and easy to use
2. Placement
Place shellfish flat side down on the grill
💡 This prevents the juices from escaping
3. Cooking
Wait for the shell to open naturally with heat
💡 Patience! Don't force the opening
4. Turning
Turn carefully with the provided tongs
💡 Watch out for hot juices that may splash
5. Tasting
Enjoy when the flesh becomes opaque and smells good
💡 Add a drop of soy sauce if desired
🚨 Safety Tips
⚠️ Precautions
- • Always use the provided tongs
- • Never touch the grill directly
- • Watch out for hot juice splashes
- • Don't lean too far over the grill
✅ Best Practices
- • Monitor cooking to avoid burning
- • Share the experience in groups
- • Ask staff for help if needed
- • Savor the process as much as the result
🍽️ Must-Try Menu
Kani Miso Kōra Yaki
蟹味噌甲羅焼き
Signature dish: crab simmered in its own shell with secret sauce
💡 Chef's Tip
Pair with bread for a unique experience
Hotate no Hamayaki
ホタテの浜焼き
Scallops grilled right at your table, juicy and aromatic
💡 Chef's Tip
Don't overcook to maintain tenderness
Sazae no Tsubo Yaki
サザエの壺焼き
Sea snails cooked in their shells with sake and soy sauce
💡 Chef's Tip
Be careful with the hot shell, use the provided tongs
Kaisendon
海鮮丼
Rice bowl topped with fresh and varied raw fish
💡 Chef's Tip
Perfect for lunch, excellent value for money
Ikasu Kai Moriwase
活貝盛り合わせ
Assortment of live shellfish to discover multiple flavors
💡 Chef's Tip
Ideal for beginners and group sharing
Geta Mori Sashimi
ゲタ盛り刺身
Assorted sashimi presented on traditional wooden platform
💡 Chef's Tip
Freshness guaranteed thanks to the restaurant's live tanks
📋 Practical Information
Average Budget
- •Lunch: ¥1,000-1,500
- •Dinner: ¥3,000-4,000
- •Otōshi: ¥329-399
- •Drinks: ¥300-600
Ordering
- •Multilingual touch tablet
- •Detailed dish photos
- •Helpful staff readily available
- •Option to cancel otōshi
Hours
- •Many open 24/7
- •Others: 11am-5am
- •Ideal after transport closes
- •Reservations possible
Payment
- •Cash accepted
- •Credit cards
- •IC Cards (Suica, etc.)
- •QR codes (PayPay)
🍻 Understanding Otōshi Tradition
What is Otōshi?
Otōshi is a small dish automatically served at the beginning of meals in izakaya. At Isomaru Suisan, it's often dried fish or fish cheese that you grill yourself!
Price: ¥329-399 per person, included in final bill
Recommended Approach
Consider otōshi as your "entry ticket" into Japanese culture. At Isomaru Suisan, it's actually fun because you participate from arrival!
Tip: If you really can't, politely ask "Otōshi wa iranai desu" upon arrival
🌟 Your Perfect First Visit to Isomaru Suisan
🍻 Welcome and Kanpai!
Get seated, order a fresh Japanese beer or sake. Enjoy the grilled otōshi to get into the mood!
🦀 The Signature Dish
Absolutely order the Kani Miso Kōra Yaki (蟹味噌甲羅焼き). This crab simmered in its shell is THE dish that made Isomaru Suisan's reputation.
🐚 The Hamayaki Experience
Get the Ikasu Kai Moriwase (活貝盛り合わせ) to discover various shellfish. Grill together, share techniques, laugh at little mishaps!
🍜 The Final Touch
End with a comforting dish like chicken ramenTori Rāmen to beautifully close this experience.
🎯 Recommended Budget and Duration
📍 Finding Isomaru Suisan
🗺️ Strategic Locations
- 📍Tokyo: Shibuya, Shinjuku, Ikebukuro, Ginza
- 📍Osaka: Namba, Umeda, Tennoji
- 📍Others: Nagoya, Kyoto, Fukuoka, Sapporo
🔍 How to Recognize
Look for large signs with colorful Japanese characters, often near train stations. The smell of grilling and festive atmosphere are recognizable from a distance!
📱 Digital Help
- 🔍Search "Isomaru Suisan" on Google Maps
- 🌐Official site: isomaru.jp
- 📞Reservations possible online or by phone
- 🚇Most are 2-5 minutes walk from stations
⏰ Timing Advice
Avoid 6-8pm on weekdays (office worker rush). Weekend afternoons or late evenings are calmer.
🎉 Ready for the Isomaru Suisan Adventure?
More than a meal, Isomaru Suisan offers you a true experience of Japanese interactive dining. Grilling seafood together creates unforgettable memories and guaranteed laughter!
🌟 Why Choose Isomaru Suisan?
- ✅ Unique interactive cooking experience
- ✅ Authentic fishing port atmosphere
- ✅ Ultra-fresh seafood guaranteed
- ✅ Warm welcome and helpful service
- ✅ Affordable prices for the quality
- ✅ Open very late or 24/7
- ✅ Perfect for groups of friends
- ✅ Memorable experiences guaranteed
Don't hesitate: Isomaru Suisan awaits you for an evening of laughter, marine flavors and Japanese-style conviviality!