If you’re a seafood lover looking for a casual and lively dining experience in Japan, Isomaru Suisan (磯丸水産) is the perfect place to visit. Known for its fresh seafood, self-grill stations, and 24-hour operation, this popular izakaya chain offers a fun and interactive way to enjoy Japanese seafood dishes at any time of the day or night.

What Makes Isomaru Suisan Special?

1. Open 24/7 – Perfect for Late-Night Dining

One of the biggest appeals of Isomaru Suisan is that it’s open 24 hours a day, 7 days a week. Whether you’re craving fresh seafood for lunch, a casual dinner, or a late-night snack after drinking, you can always count on Isomaru Suisan to be open. This makes it a great option for travelers adjusting to jet lag or those looking for a meal after a night out.

2. Fresh and Affordable Seafood

Isomaru Suisan specializes in fresh seafood, offering a wide variety of fish, shellfish, and other ocean delicacies. Many of their ingredients are displayed in tanks or on ice, ensuring freshness. Some of the most popular seafood dishes include:

• Grilled Shellfish (浜焼き, Hamayaki) – Scallops, clams, and oysters grilled at your table
• Sashimi Platter (刺盛) – Fresh, assorted raw fish
• Grilled Miso Crab (味噌甲羅焼き) – Crab shell filled with rich miso and crab meat

3. Self-Grill Seafood Experience

A unique feature of Isomaru Suisan is the tabletop grills, where customers can cook their own seafood. This interactive dining style allows you to grill clams, scallops, and other shellfish right at your table, giving you a hands-on izakaya experience. Simply place the seafood on the grill, wait for it to cook, and enjoy it with soy sauce or butter.

4. Wide Selection of Drinks

Like any good izakaya, Isomaru Suisan offers a great selection of alcoholic beverages to pair with your seafood. Popular drink choices include:

• Draft beer – A refreshing match for grilled seafood
• Highball (Whiskey soda) – A light and bubbly whiskey drink
• Shochu and sake – Traditional Japanese spirits perfect for pairing with fish
• Lemon Sour (レモンサワー) – A tart and refreshing citrus drink

5. Lively and Casual Atmosphere

The interior of Isomaru Suisan has a fun and beach-themed design, making diners feel as if they’re at a seaside market. The casual and energetic environment, combined with friendly staff, makes it a welcoming place for groups, solo diners, and tourists alike. The restaurant is also foreigner-friendly, with many locations offering English menus and picture-based ordering.

How to Order at Isomaru Suisan

Ordering at Isomaru Suisan is simple. Many locations provide touchscreen menus with English options, making it easy for visitors to select their favorite seafood dishes. If you’re unsure about how to grill your seafood, the staff is usually happy to help.

Where to Find Isomaru Suisan

Isomaru Suisan has numerous locations across Japan, especially in Tokyo, Osaka, and major urban areas. Many branches are located near train stations, making them convenient for travelers looking for a quick and delicious seafood meal.

Final Thoughts

Isomaru Suisan is a fantastic place to experience fresh Japanese seafood in a fun and interactive way. With its 24-hour availability, self-grill seafood options, and lively atmosphere, it’s a must-visit izakaya for seafood lovers. Whether you’re stopping by for lunch, dinner, or a midnight feast, Isomaru Suisan delivers a true taste of the sea at an affordable price.

Have you tried Isomaru Suisan? What’s your favorite seafood dish? Let us know in the comments!