Why you should experience Prime 42 in Tokyo, Japan.
Prime 42 is a sky-high steakhouse where Shiodome's polished metropolitan character, Japanese wagyu, charcoal cooking and American steakhouse traditions meet 42 floors above eastern Tokyo.
Set inside Shiodome City Center near Sotobori-dori and just steps from Shimbashi Station, the restaurant places steak at the center of a dining room overlooking Tokyo Tower, Hamarikyu Gardens and the surrounding skyline. Its current cooking moves between Japanese wagyu and American prime beef, with charcoal supplying the principal finishing technique and seasonal Japanese produce shaping the courses around the meat. A substantial wine program extends from rare vintages into New World bottles, carrying the classic steak-and-wine pairing into a restaurant increasingly centered on Japanese provenance. The result is a Shiodome steakhouse where altitude, charcoal and carefully sourced beef give the American steakhouse format a distinctly Tokyo character.
What you should know about Prime 42.
Prime 42 is best known for opening on November 10, 2016 as Prime 42 by NEBRASKA FARMS, pairing Nebraska beef with one of Japan's largest dedicated aging rooms inside Shiodome City Center. The original project treated maturation as a central culinary technique, adjusting aging periods around the cut, season, outside temperature and condition of individual pieces of beef while extending controlled aging into selected Japanese seafood and other ingredients. The restaurant subsequently shifted toward a “Made in Japan” steakhouse concept built around Japanese ingredients, seasonality and regional food culture, while retaining American prime beef alongside its expanding wagyu program. Current meat selections include Hokkaido Furano Wagyu fillet, Kagoshima Nozaki beef rump and aitchbone aged for 30 days, selected wagyu lean cuts and a 900-gram US Prime T-bone, giving Japanese cattle and American beef distinct positions within the same steakhouse repertoire. The dining program now joins those steaks with French technique across preparations such as foie gras macarons, straw-scented marinated bonito from Choshi and charcoal-grilled wagyu, while 800 wines connect rare vintages with New World producers.
Charcoal-grilled wagyu leads with a dark seared crust before the interior releases rendered fat and concentrated beef juices, allowing smoke to sharpen the sweetness carried by the meat. Thirty-day-aged Nozaki beef moves deeper into savory concentration, while Furano Wagyu fillet brings a softer texture that lets charcoal remain present. The 900-gram US Prime T-bone changes the scale through strip and tenderloin divided by bone, creating contrasting textures within a single steak before grilled seasonal vegetables reset the palate. Prime 42 builds its steak experience around these changes in breed, cut, maturation and fire, letting charcoal connect Japanese wagyu with the American steakhouse tradition that shaped the restaurant's beginnings.
How to fold Prime 42 into your trip.
Prime 42 works as the dinner destination within a Shiodome route connecting a surviving Edo garden, Japan's first railway terminus and the headquarters that placed modern television architecture above the district.
Begin at Hamarikyu Gardens, where Tokugawa Tsunashige received the former reed beds from the shogunate in 1654 and began the estate later developed by successive Tokugawa generations, with its seawater pond still responding to the tides of Tokyo Bay. Continue to Old Shimbashi Station, reconstructed on the site of the 1872 terminus that received Japan's first railway service between Shimbashi and Yokohama, with archaeological remains preserving the district's role in the country's railway beginnings. Conclude at Nippon Television Tower, completed in 2003 from Richard Rogers Partnership's design as Nippon Television moved its headquarters to Shiodome, bringing exposed structural elements and broadcasting infrastructure into the redevelopment of the former railway yards. The progression carries Shiodome through Tokugawa leisure, Meiji railway history and twenty-first-century broadcasting before Prime 42 closes the evening above the district with charcoal-grilled steak and Tokyo spread beneath the windows.
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