Open Late Restaurants

Isomaru Suisan is a seafood izakaya one minute from JR Shinjuku Station, and it is open 24 hours a day all year round. Its signature is isomaru-yaki, shellfish taken live from the tank and crab miso in the shell, grilled in front of you at the table. Sashimi and other small dishes are also on the menu, and lunch is served as well. The restaurant has 93 seats, free Wi-Fi and a smoking booth, with all other seats non-smoking.

Good to know

• Individual dish prices are not published for this branch; the chain notes that menu contents and prices differ by restaurant.
• The official page does not say whether there is a cover charge, an English menu or an age limit.
• Seating is non-smoking and there is a separate smoking booth.
• There is no parking.

The yakiniku restaurant Jojoen runs in Nishi-Azabu, eight minutes from Roppongi Station, in an eight-storey building where six floors are each laid out differently. There are table seats and Japanese-style private rooms with raised chairs; the tatami rooms on the fifth to seventh floors were rebuilt in July 2018.

On weekdays it opens at 16:00 and takes last orders at 4:00 in the morning. On Sundays and public holidays it opens at 11:30 and takes last orders at 3:00.

Good to know

• Saturday hours are left blank here because the restaurant's own page gives two different closing times for Saturday: 4:00 in its hours table and 3:00 in its notice of changed hours.
• The lunch menu was discontinued on 30 September 2025, so parts of the hours table on its own page may be out of date.
• A free-drink plan is ¥2,500 per person, service charge and tax included, for parties of four or more ordering the weekday course.

A two-hundred-seat izakaya over two floors in the Okuyama Omairimachi shopping street, serving sushi alongside the usual izakaya dishes. It stays open until 3:00 in the morning every day, and opens from noon at weekends.

There are private rooms and karaoke, and the whole shop is non-smoking. An all-you-can-drink plan is offered.

Good to know

• There is no kids' room or kids' space.
• The shop takes cards and electronic money, including transport IC cards.

Kushikatsu Tanaka serves Osaka-style kushikatsu, skewers coated in batter and deep-fried, in the Hyakkendana quarter five minutes from Exit A0 of Shibuya Station. Skewers run from ¥88 for a sausage to ¥352 for large prawn (tax included), and assorted sets of five or eight are also on the menu. The restaurant has 58 seats at counters and tables, free Wi-Fi and a PDF menu printed in English, Chinese and Korean. It stays open until 1:00 every night, and the house rule is that the shared sauce must not be dipped twice.

Good to know

• Guests aged 20 or over pay a ¥319 (tax included) cover charge each, even without alcohol, and must order at least one drink.
• Do not dip a skewer in the sauce twice. The sauce is shared within your group and discarded afterwards.
• People under 20 can enter without an adult, but are not served alcohol. Staff may ask for identification.
• Guests aged 19 and under can order a soft drink and play rock-paper-scissors with the staff; winning gets one free drink.
• There is no smoking booth at this branch, and the official page does not say whether the seats are non-smoking.
• Reservations can be made online at any time, and walk-ins are accepted, but booked guests are seated first.
• The tips of the skewers are sharp.
• No kids' chairs, no parking and no lunch menu.

Shirokiya is a large all-round izakaya on the fifth floor of a building in Kabukicho, open from 15:00 until 5:00 every day. It has 479 seats, private rooms, karaoke, free Wi-Fi and a smoking booth. The menu runs from small dishes such as grilled skewers at ¥416 for two and takoyaki at ¥537, through fried chicken at ¥647, to pizza, yakisoba and rice dishes, all tax included. A charge of ¥471 per person covers the otoshi, and a 10% late-night charge applies after 22:00.

Good to know

• A charge of ¥471 per person (tax included), which covers the otoshi, is added to the bill.
• A late-night charge of 10% of the bill applies between 22:00 and 5:00. The two pages of the grand menu word the condition differently, one saying it applies to guests who arrive in that window and the other to guests who place their first order in it, so check at the restaurant.
• People under 20 are not served alcohol, and staff may ask for identification.
• The restaurant does not serve alcohol to guests who arrived by vehicle, including bicycles and electric kickboards.
• There is a smoking booth. The official page does not state whether the other seats are non-smoking.
• The official page does not give a walking time from the station, only a route description.
• There is no parking and no lunch service.

A chain izakaya on the third floor of the building directly outside exit 8 of Asakusa Station, open from 17:00 until 3:00 every day. It has sixty-five seats.

Both all-you-can-eat and all-you-can-drink plans are offered. There is a separate smoking room, so the seating area itself is not smoky.

Good to know

• There is a smoking room inside the shop.
• No private rooms, and no kids' space.

Isomaru Suisan is a seafood izakaya in Udagawacho, five minutes from the Hachiko Exit of JR Shibuya Station, and it is open 24 hours a day all year round. Its signature is isomaru-yaki, shellfish taken live from the tank and crab miso in the shell, grilled in front of you at the table. Sashimi and other small dishes are also on the menu, and lunch is served as well. The restaurant has 104 seats, free Wi-Fi and a smoking booth, with all other seats non-smoking.

Good to know

• Individual dish prices are not published for this branch; the chain notes that menu contents and prices differ by restaurant.
• The official page does not say whether there is a cover charge, an English menu, an age limit or whether seats can be reserved.
• Seating is non-smoking and there is a separate smoking booth.
• There is no parking.

Yamauchi Noujou is an izakaya built around Satsuma Yamauchi jidori, a free-range chicken raised in Akune in Kagoshima Prefecture and certified as jidori under the JAS standard. The house dish is the chicken grilled over charcoal and seasoned with salt, ¥1,758 for a 180 g portion and ¥2,528 for 270 g, tax included. The restaurant is on the fifth floor of a building on Godzilla Road in Kabukicho, with 72 seats, free Wi-Fi and a smoking booth, and it serves until 1:00 from Monday to Saturday.

Good to know

• A charge of ¥526 per person (tax included), which covers the otoshi, is added to the bill.
• People under 20 are not served alcohol, and staff may ask for identification.
• The restaurant does not serve alcohol to guests who arrived by vehicle, including bicycles and electric kickboards.
• There is a smoking booth. The official page does not state whether the other seats are non-smoking.
• The official page does not give a walking time from the station, only a route description.
• There are no private rooms and no karaoke, and no parking.
• The tax rate differs between eating in and taking away; say before ordering if you want to take food out.

An oyster ramen shop forty metres from Tsukiji Hongwanji temple, open from 06:00 until 05:00 the next morning with last orders at 04:45. Apart from the 24-hour Sushizanmai, it is the only place listed here for Tsukiji that is still serving at three in the morning.

The oyster soup is made from Hiroshima oysters reduced to a thick broth; the shellfish soup is a chicken clear soup simmered with seafood for six hours, then blended with two kinds of clam and freshwater clam stock. The noodles are hand-crimped just before serving. There are 14 counter seats, all non-smoking, and no reservations.

Good to know

• Reservations are not taken at all. Queue at the door.
• Fourteen counter seats only, and the whole shop is non-smoking.
• Closing days are irregular and announced on the shop's own site.
• Prices are not published.

An Italian restaurant beside the Patio Juban square in Azabu-Juban, behind a glass front, with 124 seats over two floors and red as the accent colour. A private room is available for parties of twenty or more.

It serves from 11:30 until 3:00 in the morning, every day of the year, with last orders for both food and drink at 2:00. Lunch runs 11:30 to 14:00 from Monday to Friday. The restaurant is non-smoking throughout and has no car park.

Good to know

• Prices are not listed here: the restaurant publishes its menus as separate pages whose dish prices we could not read in full.
• It is in Azabu-Juban rather than Roppongi itself, one stop away on the Oedo line.
• There is no car park.