Inakaya 田舎家 (Roppongi)
Inakaya is a top-quality, very reputable restaurant located near the Roppongi Station but on a small back street. It's the perfect place to escape the bustle of the city for a while. The restaurant is not too big, having about a 20 people seating capacity. The interior is warm and authentic. You see the chefs prepare your food on the fire right before your eyes. Every food offered is in-season and really fresh. Ask for the recommendation at the time you go. They also have a great selection of Japanese sake and other alcohols.
Robatayaki Konoji 炉端焼このじ (Azabujuban / Roppongi)
Konoji is a really nice foreigner-friendly izakaya. Whereas some robatayaki restaurants can be a bit intimidating to walk into with the menu only written in Japanese on the wall, Konoji has menus in English and they're very welcoming. You can have some top-quality fresh seafood and some fine Japanese seasonal vegetables. Also, Konoji specializes in shochu (Japanese spirits), so make sure to try some shochu with your meal!
Okajoki 陸蒸気 (Nakano)
Okajoki is a famous robatayaki izakaya conveniently located in the popular Nakano district of Tokyo. This is an extremely well-regarded establishment for its quality yet the prices are very reasonable (average dinner meal is about ¥3,000 to ¥4,000). It has one of the quaintest atmospheres you can imagine. Most of the seats are around the kitchen area where the grill the fish on skewers on a charcoal fire. It's also possible to reserve private rooms.
Ukai Toriyama うかい鳥山 (Hachioji)
Ukai Toriyama is located in the western-most part of Tokyo, in Hachioji, near Mount Takao. It would be the perfect place to go after you spend a day trecking in the mountain. The restaurant is in a traditional thatched roof building by a river in a forested area. It is so stunningly beautiful that many couples have their wedding pictures taken there in kimonos. Most courses consist of food being brought to you on skewers to your table. You then grill the food directly on a charcoal fire at your table.
Matagi またぎ (Roppongi)
Robatayaki is usually more associated with seafood, but actually "robatayaki" just means to cook by the fire, so basically, any ingredients can be used. At Matagi, they specialize in serving top quality gibier. For meat lovers, this is the place you ought to go. Another thing they are famous for is their hot pots cooked on the fire. The place has a really awesome, warm and authentic atmosphere. This place is on the expensive side. Expect to pay over ¥10,000 for a dinner.
Robatasho ろばた 翔 (Shinjuku)
Robatasho is definitely one of the best izakaya style taverns in Shinjuku. You get the great robatayaki atmosphere by seeing the chefs grill the food in a large kitchen right before your eyes, with the fresh ingredients on display as well. Aside from the robatayaki cuisine, you should also try the sashimi plates and the Japanese sake here.
Robatayaki is a must-try Japanese cuisine that usually consists of lots of grilled seafood. If you want to try other types of grilled cuisine, please check out the link below.