Tabelog ratingSushi Nanba Yotsuya (鮨 なんば 四谷) offers a uniquely technical omakase experience, making it a standout even among Tokyo's elite sushi counters. An offshoot of the celebrated Sushi Nanba in Hibiya, this eight-seat bar in Shinjuku's Arakicho district is defined by its obsession with temperature. For each course, the staff presents a list detailing the exact temperature of both the topping (neta) and the rice (shari), calibrated to the single degree to achieve the perfect bite.
Reviewers consistently praise this meticulous approach, noting the small, tightly formed shari—made with either red or white vinegar depending on the fish—as a perfect vehicle. While the entire multi-course menu is lauded, certain dishes are repeatedly named as highlights. These include the signature simmered kinki (rockfish), iwashi (sardine), sumiika (ink squid), various cuts of toro, and a rich uni (sea urchin) hand-roll. Appetizers like steamed abalone and ankimo (monkfish liver) also receive high marks, as do the attentive sake pairings.
The experience is formal and intense. Guests describe the room as very quiet, almost reverential, which some may find stiff. A few have noted that the young staff can be a bit brisk when clearing plates. The restaurant itself is difficult to find, with no visible sign at its ground-floor location.
The omakase course is substantial, featuring around 16–17 pieces of nigiri plus numerous small plates. Reviewers in 2024–2026 report paying between ¥40,000 and ¥49,999 for dinner. One guest noted a bill of ¥43,000 for the course and four drinks. Despite the high price, visitors consistently call it excellent value, given the sheer volume of high-quality food and the level of craft, which they say is on par with its famous parent restaurant.
- Booking: Reservations are essential and very difficult to secure. Seats are released on the OMAKASE platform and must be booked well in advance.
- Getting There: The restaurant is a short walk (around 230 meters) from Yotsuya Sanchome Station. As there is no sign, using a map application is highly recommended.
- Seating: Seating is at an intimate 8-person counter.
- Payment: American Express credit cards are accepted. Electronic money and QR code payments are not.
- Private Dining: The entire restaurant can be booked for private use, but there are no separate private rooms.
- Parking: Parking is not available.