I’ll admit it: I’ve had my fair share of tuna in Tokyo, but nothing quite prepared me for the sheer dedication to the craft I found at Maguro Mart. I’d heard the rumors about this restaurant being a “tuna izakaya theme park,” and honestly, I was half-expecting it to be a bit gimmicky. But after I decided to reserve a table on a Thursday night around 6:30 PM, I was pleasantly surprised by the relaxed atmosphere and the genuine passion for seafood here. This isn’t just any casual dining spot; it’s a shrine to the sea.
Atmosphere and First Impressions at Maguro Mart near Nakano Broadway
The walk from JR Nakano Station’s north exit took about seven minutes, winding through lively streets filled with shops, bars, and other izakayas that tend to attract both locals and tourists alike. Nakano Broadway, famous for its anime and manga culture, is just a short stroll away, making this area a vibrant hub for visitors exploring Japan.
Stepping inside Maguro Mart, the vibe hit me instantly; it’s loud, bright, and unapologetically energetic. This isn’t one of those hushed, zen-like sushi counters where you’re afraid to sneeze. The space felt cozy but bustling, with tables packed close together on the first and second floors. The noise level was high, lots of clinking glasses and laughter, so I had to lean in to hear my friend across the table. It definitely felt like a place where large groups come to enjoy delicious food and drinks rather than have a quiet, intimate chat. Although there are no private rooms here, the lively setting encourages sharing and socializing with other customers.
The Main Event: Tuna, Tuna, and More Tuna at This Tuna Izakaya
We didn’t come here to play it safe, so we dove straight into the Maguro Mart Course (approx. ¥3,300 per person), which covers the greatest hits of their specialty offerings.
The absolute showstopper was the Maguro Nakaochi (Tuna Rib-Cut Meat). When they brought it out, I actually gasped. It’s literally the tuna spine served on a massive wooden board, and they hand you spoons to scrape the meat off the bone yourself. It’s visceral and incredibly fun. The meat itself was cool to the touch and had this intense, pure iron-rich tuna flavor that you just don’t get from pre-sliced sashimi. Scooping it up and piling it onto a sheet of sushi rice with a dab of wasabi was easily the highlight of the night.
We also had the Hon-Maguro Sashimi Platter, a masterclass in texture and flavor. It came with a variety of cuts, including rare parts like the brain and cheek; items you won’t typically find in other restaurants. The otoro (fatty tuna) was sliced thick and genuinely melted on my tongue like butter, leaving a rich, oily coating that tasted sweet and clean. In contrast, the red meat (akami) was firm and bouncy, with a deep, savory punch. The temperature was perfect: not ice-cold, but cool enough to feel fresh.
To switch things up from the raw stuff, we tried the Rare Tempura. I was skeptical about deep-frying high-quality tuna, but they nailed it. The batter was light and shattering-crisp, hot from the fryer, while the center remained raw and cool. The contrast between the hot crunch and the soft, rare middle was addictive.
Drinks and Snacks for Drinkers and Non Drinkers
Maguro Mart offers a solid selection of drinks to complement the meal. The draft beer was cold and refreshing, perfect for cutting through the richness of the tuna. For those who prefer something darker, the dark beer option was pleasantly smooth and paired well with the tempura and grilled fish dishes.
Non drinkers are not left out either; there’s a variety of non-alcoholic drinks available, ensuring everyone in a small group can find something to enjoy. Classic izakaya snacks like edamame are also on the menu, providing a familiar and delicious accompaniment.
Service, Seating Charge, and Time Limit Considerations at This Popular Izakaya
Despite the chaos of a full house, the service was surprisingly on point. The staff were young, energetic, and seemed genuinely excited about the food. Our server took the time to explain which part of the fish we were eating, pointing to diagrams on the menu, which was super helpful since my Japanese tuna anatomy vocabulary is limited.
They were brisk, literally running between tables at times, but never rude. They fill the role perfectly in this fast-paced environment. One thing to note is that, like many izakayas in Japan, there is a seating charge (or fee) known as otōshidai, which includes a small snack served upon arrival.
Maguro Mart enforces a time limit during busy periods to accommodate the many diners eager to experience this best izakaya in Nakano City. So plan accordingly, especially if you’re visiting with a large group.
The Practical Stuff: Reservations, Cost, and Accessibility
Here’s the reality check: getting a seat here is tough. We reserved about a month in advance for a weekday slot. Walk-ins were being turned away at the door, so don’t risk it—reservations are essential.
Cost-wise, it’s honestly a steal for the quality. We spent about ¥5,500 per person including a few drinks (try the tuna dashi sake if you’re feeling brave—it’s savory and weirdly comforting).
The seating is tight. We were at a table that felt just big enough for the massive plates, but if you’re claustrophobic, you might struggle. Also, there’s no dedicated parking, so stick to the train; Nakano Station is close enough, and the walk helps you work up an appetite.
The Wrap-Up: Why Maguro Mart is Nakano City’s Must-Visit Tuna Izakaya
Maguro Mart is loud, crowded, and completely obsessed with one thing, and that’s exactly why it works. It’s not for a romantic first date or a quiet business meeting. But if you love seafood and want a dining experience that feels like a celebration of ingredients, you have to go.
If you’re on a trip to Japan and want to explore a true izakaya specialty with a kaiseki-level dedication to fresh fish, Maguro Mart is the place. While they don’t serve beef tendon stew or dishes inspired by Kyoto’s refined cuisine, their focus on tuna is unmatched.
Ideal for:
Hardcore tuna enthusiasts
Small or large groups who don’t mind sharing personal space
Anyone looking for a high-energy Tokyo night out with the chance to try new dishes
Not the spot for you if:
You want a quiet, intimate conversation
You don’t like raw fish (seriously, there’s not much else here)
I’m already trying to figure out when I can reserve again. Just remember to book ahead, or you’ll be left standing outside wishing you were the one scraping that tuna spine.


