
In November 2024, a food entertainment facility resembling a "dragon's palace" will open in Shinbashi, which is conveniently located only an 8-minute walk from Ginza. It is called "Amajo. In this extraordinary space on the first basement floor, visitors can experience a demonstration of traditional Japanese ama fishing while enjoying fresh seafood and Japanese black beef shipped directly from the production site. The one-of-a-kind experience is well worth the trip from the Ginza area, including a bare-diving demonstration by real ama divers in a huge 20-ton water tank and a diverse menu of one-pot and one-pot yakiniku-style dishes.
What this article tells us.
- Shinbashi "Ama Castle" concept and location information
- Attraction and schedule of ama divers' bare diving demonstration
- Details of the food menu and price range offered
- Features of the entire "Grand Hammer" building and how to get there
- Significance and Background of Experiencing Ama Culture in the City
What is Haenjo Castle?

Divers' Castle" located on the basement level of the Grand Hammer
The Ama Castle is located on the basement level of the Grand Hammer, which opened on November 28, 2024.Conveniently located just a minute's walk from Shimbashi Station, it features a huge 20-ton water tank as the centerpiece of a space where visitors can experience the culture of ama.

Promoting the charms of ama (women divers) culture
In the restaurant, real ama divers from Minami-Izu Town, Shizuoka Prefecture, give a bare-diving demonstration six times daily.Visitors can see up close the art of ama fishing, which is registered as an intangible cultural heritage, and enjoy taking pictures and interacting with ama divers after the demonstration.
What is a diver?
-The culture of "women fishermen" has been handed down from generation to generation in Japan.
Ama, or women divers, have existed in coastal areas of Japan since ancient times,Female fisherman picking seafood by bare divingof the patient. Without the use of special breathing apparatus,Dive into the sea with only your breath and collect abalone, turban shells, sea urchins, seaweed, etc.Traditional fishing.
The history of ama divers is estimated to be more than 2,000 years old and is said to be one of the oldest occupations in Japan. Toba and Shima in Mie Prefecture and Minami-Izu in Shizuoka Prefecture are well-known areas where ama divers are active.
Ama is not just a fisherman,A symbol of symbiosis with nature, inheritance of technology, and women's independent work styleIt is also a place where its cultural value is appreciated,It is also inscribed on UNESCO's Intangible Cultural Heritage List.(In Japan, "ama fishing" is registered as an intangible folk cultural asset).
Known as "Japanese traditional female divers," it is one of Japan's unique cultures that is attracting increasing interest worldwide.
Diving demonstration by ama divers
Demonstration Schedule
Diving demonstrations by ama divers are held daily at the following times
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From 5:30 p.m.
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6:30 p.m.
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7:30 p.m.
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20:30~.
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From 9:30 p.m.
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From 10:30 p.m.
Each performance lasts approximately 15 minutes.
Demonstration Contents
In the demonstration, ama divers hold their breath as they dive into the tank and perform a series of movements before taking up the seafood.Visitors can experience the difficulty of fishing under harsh conditions and the depth of the techniques used.
Cuisine Menu

Ama-no-jo" offers fresh seafood (lobster, abalone, etc.) directly shipped from the place of production and carefully selected Japanese black beef, and features styles such as "Hitori-nabe," "Hitori-yakiniku," and "Hitori-hama-yaki," which can be enjoyed by a single person.You can enjoy the food in your preferred cooking method, such as shabu-shabu, sukiyaki, yakiniku, or hamayaki.
Main Menu and Prices

| menu | Price (tax included) | Contents |
|---|---|---|
| Divers' Seafood Shabu Shabu | 4,500 yen | Live scallops, live clams, red shrimp, cod, etc. There are seven soups to choose from. |
| Kuroge Wagyu Shabu Shabu | 7,000 yen | Carefully selected black Japanese beef is used. There are seven soups to choose from. |
| Shabu-shabu with seafood and Japanese black beef | 8,000 yen | A luxurious set that allows you to enjoy both seafood and Wagyu beef. |
| Grilled seafood from a diver | 4,000 yen | Fresh seafood grilled beach style. |
| Kuroge Wagyu Beef Yakiniku | 7,000 yen | Yakiniku made from carefully selected Japanese black beef. |
| Haenyeo seafood and grilled black beef | 10,000 yen | A luxurious set that allows you to enjoy both seafood and Wagyu beef. |
*Selections are available from the following seven soups: Gokumi Agodashi Nabe, Korean Chige Nabe, Special Sukiyaki, Hot Pot with Hot Hot Spices, Yakuzen Mushroom Nabe, Thick Miso Nabe, and Soy Milk Cream Nabe.s.tabelog.com
Access & Store Information
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Address: B1F Grand Hammer, 2-8-5 Shinbashi, Minato-ku, Tokyo
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Access: 1 minute walk from JR Shimbashi Station, in front of Shimbashi SL Plaza
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Business hours: 17:00 - 0:00 (L.O. food 23:30, drinks 23:45)
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Budget: 6,000-7,999 yen
Only an 8-minute walk from Ginza, "Ama-no-jo" in Shimbashi is truly a "different world in the city" where traditional Japanese culture and modern entertainment are combined. This experience, where you can enjoy food and culture at the same time, is the perfect place for dinner after a day of shopping and art in Ginza. Why not make your stay in Tokyo deeper and richer with a new surprise and discovery each time you visit Ama-no-jo?
Article Supervisor
Yuya Hachimine, CEO

Representative Director of ZENNO GROUP, Inc. known as a leader in the night work industry in Ginza. He worked for 14 years as a black-shirted worker in a high-class club in Ginza, and based on his experience, he provides various services for the industry. In order to improve the inefficient work system, he founded ZENNO GROUP Inc. and has contributed to the development of the industry.
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