Sankai by Nagaya

Sankai by Nagaya is an intimate twenty-four-seat omakase restaurant situated on the third floor of Bebek Hotel by The Stay along Cevdetpaşa Caddesi in the Beşiktaş district of Istanbul. The establishment represents a culinary partnership centered around Masterchef Yoshizumi Nagaya, who was born in Gifu, Japan. Having mastered both classical and contemporary Japanese culinary arts under respected masters, Nagaya relocated to Düsseldorf in 2000, establishing his acclaimed dining venues Nagaya and Yoshi by Nagaya. Drawn to the energy of Istanbul and the abundant potential of Turkish marine life, Nagaya channeled thirty years of gastronomic knowledge into Sankai by Nagaya, earning his third career Michelin star here in 2023 according to official guide listings. Working alongside Nagaya at the counter is Shokunin Hiroko Shibata, a rare female Edo-mae sushi chef whose background includes service in the Japan Maritime and Air Self-Defense Forces and the police force before advancing her culinary career across premier Ginza establishments, Tokyo luxury hotels, and international cruise ships. The physical space was conceived by the design studio Geo-ID alongside globally recognized architect Mahmut Anlar, translating traditional Japanese living aesthetics into a contemporary hospitality environment. At its foundation, the kitchen bridges time-honored Edo-mae sushi craft and Kaiseki dining with fresh, locally harvested Turkish seafood, creating a specialized omakase destination along the Bosphorus strait guided by the tenets of omotenashi hospitality.

Cuisine and Menu

The culinary program at Sankai by Nagaya focuses on Modern Japanese cuisine, integrating classical Kaiseki traditions with meticulous Edo-mae sushi techniques. Rather than operating an à la carte service, the restaurant structures its culinary offering around two distinct seasonal tasting menus composed of daily delicacies gathered from the sea and the land. The first option, designated as Sankai Sushi, presents a sushi-oriented journey highlighting precision nigiri and pristine marine selections curated by sushi chef Hiroko Shibata. The second option, named Nagaya Signature, articulates the narrative of Kaiseki cuisine, presenting a multi-course progression that reflects Yoshizumi Nagaya's thirty-year culinary methodology. The kitchen regularly refines its courses according to the micro-seasons, as seen in its recent summer menu offerings, adapting its preparation to the natural availability of produce and marine ingredients. A defining aspect of the culinary execution is the marriage of traditional Japanese preparation methods with indigenous Turkish marine species, allowing local seafood to be presented through authentic curing, slicing, and seasoning practices without compromising centuries-old Japanese culinary standards. Service operates under a strict reservation protocol: bookings are dedicated exclusively to one of the two seasonal tasting menus, and all dining guests included in the same reservation party must participate in the identical chosen menu. This unified dining format ensures focused execution from both the kitchen team and the sushi counter, delivering a cohesive and unhurried gastronomic sequence for every table throughout the dinner service.

Atmosphere and Who It Suits

Designed by architect Mahmut Anlar in collaboration with the Geo-ID design studio, the interior of Sankai by Nagaya departs from typical commercial restaurant architecture to recreate the refined environment of a sophisticated Japanese home. The venue is intentionally limited to a twenty-four-seat capacity, fostering a serene and exclusive dining atmosphere where background noise is minimized and attention to detail remains paramount. Central to the spatial layout is the dedicated chef's table, which allows guests to observe the focused knife techniques, precise fish preparation, and deliberate craftsmanship of Shokunin Hiroko Shibata in real time. The sensory experience is framed by the philosophy of omotenashi, an authentic Japanese service standard emphasizing selfless hospitality, meticulous attentiveness, and discreet care throughout each stage of the multi-course meal. Floor-to-ceiling windows and thoughtful interior placement capture views overlooking the Bosphorus strait, pairing the tranquility of minimalist Japanese woodworking with the movement of the Istanbul shoreline. This environment caters primarily to discerning culinary travelers, sushi connoisseurs searching for genuine Edo-mae artisanship, and couples or small parties seeking an elevated setting for milestone celebrations and private conversations. The climate-controlled, air-conditioned dining room provides a calm retreat from urban bustle, making it especially appropriate for patrons who appreciate formal culinary storytelling, quiet refinement, and the deliberate pacing required for an immersive omakase dinner.

Location and Practical Details

Sankai by Nagaya is located on the third floor of Bebek Hotel by The Stay at Cevdetpaşa Caddesi No:34, 34342 Beşiktaş, Istanbul. Positioned directly along the Bosphorus shoreline, the venue sits within short walking distance of notable neighborhood reference points including Bebek Park (Bebek Parkı), Bebek Pier (Bebek İskelesi), and Bebek Bay (Bebek Koyu). The restaurant operates from Monday through Saturday between 18:30 and 00:30, remaining closed on Sundays. Given the twenty-four-seat capacity and specialized tasting menu structure, advance booking is mandatory. Reservations can be coordinated directly via email at [email protected] or by telephone at +90 532 379 1997. To enhance the guest arrival experience, the restaurant provides a complimentary dedicated transfer service utilizing a private chauffeur-driven electric BMW i7. This transfer service is available within a five-kilometer radius of the venue, operates with limited capacity, and requires advance booking on a first-come, first-served basis. The restaurant is equipped with modern amenities including climate-controlled air conditioning and comprehensive wheelchair accessibility. Payment can be settled using major credit cards, specifically Visa, Mastercard, and American Express. The restaurant's standards have garnered major institutional recognition; as recorded in official culinary guides, Sankai by Nagaya holds 1 Michelin Star in the Michelin Guide and was awarded 3 Toques (3 Şapka) during the inaugural release of the Gault & Millau Türkiye guide.

The Mio Angle: As a Meeting Spot

From the perspective of the Mio community, Sankai by Nagaya occupies a specialized niche as an ultra-premium culinary destination suited for high-stakes occasions rather than casual, impromptu gatherings. Operating within the highest price tier, the restaurant represents an intentional investment best suited for celebratory anniversaries, executive-level business engagements, or celebratory visits by dedicated gastronomy enthusiasts. The intimate twenty-four-seat capacity, paired with the culinary theatre of the chef's counter and panoramic Bosphorus outlook, offers remarkable visual moments that translate exceptionally well into shared dining logs and community recommendations. However, diners sharing insights on Mio should note the strict operational parameters that govern visits to this venue. Because every guest within a booking must partake in the same selected tasting menu—choosing between the sushi-centered Sankai Sushi or the Kaiseki-focused Nagaya Signature—parties must establish consensus on their culinary path prior to reserving. The complimentary private BMW i7 chauffeur transfer within five kilometers stands out as a unique logistical asset to highlight when advising peers on transportation along the busy Bebek shoreline. For community members asking where to experience world-class Japanese gastronomy in Istanbul, Sankai by Nagaya delivers an authentic omotenashi encounter anchored by verified Michelin-starred leadership and rare female shokunin mastery in the heart of Beşiktaş.