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Best high-end restaurants in Tameike–Sanno & Kasumigaseki

56 restaurants, dinner from ¥15,000

The highest-rated high-end restaurants in Tameike–Sanno & Kasumigaseki on Tabelog are Sushi Saitou, unis, and Kanda, and a typical dinner costs about ¥26,000 per person.

Our analysis of these 56

  • ¥19,000median cheapest dinner course (37 of 56)
  • 45%book online in English (25)
  • ¥9,790median lunch course (29)

At the 37 that publish a dinner course, the least expensive one has a median price of ¥19,000, about the same as the ¥17,800 median of all 2,864 restaurants in Tokyo; the lowest is ¥7,969 at Le Pristine Tokyo.

Counted 5 November 2026 from Tabelog, Ikyu, Pocket Concierge and restaurant websites. Booking services ↓ · How we count

Ranked list

In our order: Tabelog rating, awards and ease of booking. Restaurant data checked November 2026. 25 of these 56 take bookings online.

Narrow the list

  1. 1

    Sushi Saitou鮨 さいとう

    Sushi, Tameike–Sanno & Kasumigaseki, 2 min walk from Roppongi-itchōme Station

    2026Gold百名店2025
    • UnionPay
    • Counter seats
    • Closed Sundays

    ¥50,000–59,999

    dinner per person, about $330–400

    Lunch ¥50,000–59,999

    Tabelog 4.62

  2. 2

    unis

    French, Tameike–Sanno & Kasumigaseki, 2 min walk from Toranomon Hills Station

    2026Bronze百名店2025
    • Counter seats
    • Children welcome
    • Wheelchair access
    • Closed Mondays and Sundays

    ¥50,000–59,999

    dinner per person, about $330–400

    Lunch ¥50,000–59,999

    Tabelog 4.21

  3. 3

    Kandaかんだ

    Kaiseki, Tameike–Sanno & Kasumigaseki, 3 min walk from Toranomon Hills Station

    MichelinMichelin Guide 2026: three stars2026Bronze百名店2025
    • English-speaking staff
    • Online booking
    • Cards accepted
    • Private rooms
    • Counter seats
    • Closed Mondays and Sundays

    Easy to book from abroad

    • ¥72,600 【Counter】Minimum Charge
    • ¥75,900 【Private room】Minimum Charge
    • per person, tax incl. · 282% above the list median

    Tabelog 4.15

  4. 4

    Koshikiryori Koki港式料理 鴻禧

    Chinese, Tameike–Sanno & Kasumigaseki, 6 min walk from Toranomon Hills Station

    MichelinMichelin Guide 2026: one star2026Bronze百名店2026
    • Online booking
    • Private rooms
    • Counter seats
    • No children
    • ¥24,200 Dinner course
    • ¥36,300 Dinner course
    • ¥58,080 Dinner course
    • per person, tax incl. · 27% above the list median

    Tabelog 4.12

  5. 5

    Tomuraと村

    Kaiseki, Tameike–Sanno & Kasumigaseki, 3 min walk from Toranomon Station

    2026Bronze百名店2025
    • English-speaking staff
    • Online booking
    • Private rooms
    • Counter seats
    • Children welcome
    • Closed Sundays

    Easy to book from abroad

    • ¥60,500 Omakase Course
    • ¥90,750 Omakase Course
    • per person, tax incl. · 218% above the list median

    Tabelog 3.87

  6. 6

    Tempura Aratamikawa天ぷら あらたみかわ

    Tempura, Tameike–Sanno & Kasumigaseki, 5 min walk from Toranomon Hills Station

    Michelin Guide2026百名店2025
    • Online booking
    • Cards accepted
    • Counter seats

    ¥15,000–19,999

    dinner per person, about $100–130

    Lunch ¥10,000–14,999

    Tabelog 4.01

  7. 7

    Apotheose

    French, Tameike–Sanno & Kasumigaseki, 2 min walk from Toranomon Hills Station

    MichelinMichelin Guide 2026: one star百名店2025
    • UnionPay
    • Online booking
    • Private rooms
    • Ages 12+
    • Wheelchair access
    • Closed Mondays and Sundays
    • ¥24,000 Ephemeral Menu
    • ¥33,000 Unique Menu
    • ¥58,000 Collaboration Dinner: Timothé…
    • +1 more · per person, tax incl. · 26% above the list median

    Tabelog 3.98

  8. 8

    KEI Collection PARIS

    French, Tameike–Sanno & Kasumigaseki, 2 min walk from Toranomon Hills Station

    Michelin Guide2026
    • UnionPay
    • English-speaking staff
    • Online booking
    • Private rooms
    • Counter seats
    • Wheelchair access
    • Closed Mondays and Sundays

    Easy to book from abroad

    • ¥35,000 Christmas Course "Collection…
    • ¥28,000 December 19/20 Christmas Lunc…
    • ¥35,000 December 19/20 Christmas Lunc…
    • per person, tax incl. · 84% above the list median

    Tabelog 3.92

  9. 9

    L'Argentラルジャン

    French, Tameike–Sanno & Kasumigaseki, 5 min walk from Toranomon Station

    MichelinMichelin Guide 2026: one star百名店2025
    • English-speaking staff
    • Online booking
    • Private rooms
    • Counter seats
    • Wheelchair access
    • Closed Thursdays

    Easy to book from abroad

    • ¥19,800 Omakase Plan Featuring Season…
    • ¥23,100 Omakase Plan Featuring Season…
    • ¥28,600 Omakase Plan Featuring Season…
    • +3 more · per person, tax incl. · about the list median

    Lunch ¥10,000–14,999

    Tabelog 3.87

  10. 10

    Sushi Komari鮨 こまり

    Sushi, Tameike–Sanno & Kasumigaseki, 4 min walk from Tameike-Sannō Station

    • English menu
    • Online booking
    • Counter seats
    • Closed Sundays

    Easy to book from abroad

    • ¥16,500 Nigiri Course
    • ¥19,800 Omakase Course
    • ¥8,800 Lunch Nigiri Course
    • +2 more · per person, tax incl. · 13% below the list median

    Lunch ¥8,000–9,999

    Tabelog 3.75

  11. 11

    Le Pristine Tokyoル・プリスティン レストラン 東京

    Western, Tameike–Sanno & Kasumigaseki, 2 min walk from Toranomon Hills Station

    Michelin Guide2026
    • UnionPay
    • English-speaking staff
    • Online booking
    • Private rooms
    • Counter seats
    • Children welcome
    • Wheelchair access

    Easy to book from abroad

    • ¥8,470 Choose from 4 Dishes from App…
    • ¥9,570 Brunch 4 Course
    • ¥12,100 Le Pristine Restaurant Tokyo…
    • +1 more · per person, tax incl. · 58% below the list median

    Lunch ¥8,000–9,999

    Tabelog 3.74

  12. 12

    Kien帰燕

    Kaiseki, Tameike–Sanno & Kasumigaseki, 8 min walk from Roppongi-itchōme Station

    百名店2025
    • Private rooms
    • Counter seats
    • Children welcome
    • Closed Sundays
    • ¥20,790 Evening Kaiseki "Yoshi
    • ¥24,750 Evening Kaiseki "Fuku
    • ¥29,150 Evening Kaiseki "Special
    • +3 more · per person, tax incl. · about the list median

    Lunch ¥8,000–9,999

    Tabelog 3.75

  13. 13

    Per Te

    Italian, Tameike–Sanno & Kasumigaseki, 4 min walk from Tameike-Sannō Station

    Michelin Guide2026
    • English menu
    • Online booking
    • Private rooms
    • Counter seats
    • Ages 20+
    • Closed Mondays and Sundays

    Easy to book from abroad

    • ¥4,500 A La Carte Available [20:45
    • ¥13,800 Omakase Course (Starts at 18:…
    • ¥13,800 Omakase Course (Starts at 17:…
    • +1 more · per person, tax incl. · 27% below the list median

    Tabelog 3.72

  14. 14

    Ruth’s Chris Steak Houseルース クリス ステーキハウス

    Steak, Tameike–Sanno & Kasumigaseki, 5 min walk from Toranomon Station

    百名店2025
    • UnionPay
    • English-speaking staff
    • Private rooms
    • Wheelchair access
    • ¥12,500 Dinner Course ◆ Today's Chef…
    • ¥15,600 Dinner Course ◆ USDA Petite F…
    • ¥20,800 Dinner Course ◆ USDA Prime Ne…
    • +6 more · per person, tax incl. · 34% below the list median

    Lunch ¥5,000–5,999

    Tabelog 3.69

  15. 15

    Sushi Dokoro Suzu寿し処 寿々

    Sushi, Tameike–Sanno & Kasumigaseki, 3 min walk from Tameike-Sannō Station

    2020Bronze百名店2022
    • Counter seats
    • ¥22,000 Evening Menu Shoka
    • ¥27,500 Evening Menu: Tsuki
    • ¥33,000 Evening Menu: Yuki
    • +5 more · per person, tax incl. · 16% above the list median

    Lunch ¥10,000–14,999

    Tabelog 3.68

  16. 16

    Nouvelle Epoqueヌーヴェル・エポック

    French, Tameike–Sanno & Kasumigaseki, 6 min walk from Toranomon Hills Station

    • Online booking
    • Private rooms
    • Ages 12+
    • Wheelchair access
    • ¥27,000 Course
    • ¥34,000 Dinner course
    • ¥39,000 Dinner course
    • +4 more · per person, tax incl. · 42% above the list median

    Lunch ¥15,000–19,999

    Tabelog 3.73

  17. 17

    Tempura Osaka天ぷら 逢坂

    Tempura, Tameike–Sanno & Kasumigaseki, 6 min walk from Toranomon Hills Station

    百名店2025
    • Online booking
    • Counter seats
    • ¥22,000 Night Omakase Course
    • ¥14,300 Lunch 13000 Course (Please ma…
    • per person, tax incl. · 16% above the list median

    Lunch ¥10,000–14,999

    Tabelog 3.66

  18. 18

    Teppanyaki Akasaka鉄板焼 赤坂

    Teppanyaki, Tameike–Sanno & Kasumigaseki, 7 min walk from Roppongi-itchōme Station

    百名店2025
    • UnionPay
    • Online booking
    • Private rooms
    • Counter seats
    • Children welcome
    • ¥7,500 KOUKI Course - Japanese Beef…
    • ¥8,400 Special Drink Included! 【KOUK…
    • ¥10,000 KOUKI Special Wagyu Steak Cou…
    • +9 more · per person, tax incl.

    Lunch ¥10,000–14,999

    Tabelog 3.65

  19. 19

    Chinese Toukaryou Toukari中国料理 桃花林

    Chinese, Tameike–Sanno & Kasumigaseki, 6 min walk from Toranomon Hills Station

    百名店2026
    • Online booking
    • Private rooms
    • Children welcome
    • Wheelchair access
    • ¥15,000 Dinner Course Momo – Includes…
    • ¥15,000 Free Private Room Plan Dinner…
    • ¥18,500 Dinner Course Hasu - Includes…
    • +9 more · per person, tax incl. · 21% below the list median

    Lunch ¥6,000–7,999

    Tabelog 3.67

  20. 20

    Yama no Chaya山の茶屋

    Unagi, Tameike–Sanno & Kasumigaseki, 5 min walk from Tameike-Sannō Station

    2020Bronze百名店2024
    • Private rooms
    • Closed Sundays
    • ¥16,940 Dinner course
    • ¥22,990 Dinner course
    • ¥10,890 Lunch course
    • +1 more · per person, tax incl. · 11% below the list median

    Lunch ¥10,000–14,999

    Tabelog 3.63

  21. 21

    Japanese cuisine Unkai日本料理「雲海」

    Kaiseki, Tameike–Sanno & Kasumigaseki, 7 min walk from Roppongi-itchōme Station

    • UnionPay
    • Online booking
    • Private rooms
    • Children welcome
    • Closed Mondays
    • ¥23,000 One Drink Included [Kaiseki C…
    • ¥23,000 Standard Banquet Plan [Kaisek…
    • ¥25,000 Premium Banquet Plan [Kaiseki…
    • +8 more · per person, tax incl. · about the list median

    Lunch ¥8,000–9,999

    Tabelog 3.65

  22. 22

    Chinese Hoshigaoka中国料理 星ヶ岡

    Chinese, Tameike–Sanno & Kasumigaseki, 3 min walk from Tameike-Sannō Station

    • Online booking
    • Private rooms
    • Children welcome
    • Wheelchair access
    • ¥6,325 Course
    • ¥18,975 Course
    • ¥18,975 Course
    • +9 more · per person, tax incl. · about the list median

    Lunch ¥6,000–7,999

    Tabelog 3.64

  23. 23

    Yakitori Nakamura焼鳥なかむら

    Yakitori, Tameike–Sanno & Kasumigaseki, 5 min walk from Toranomon Hills Station

    百名店2025
    • UnionPay
    • Counter seats
    • Children welcome
    • Closed Sundays
    • ¥12,000 Omakase Course - Enjoy grille…
    • per person, tax incl. · 37% below the list median

    Tabelog 3.65

  24. 24

    Teppanyaki Sazanka鉄板焼 さざんか

    Teppanyaki, Tameike–Sanno & Kasumigaseki, 4 min walk from Toranomon Hills Station

    百名店2025
    • Online booking
    • Private rooms
    • Counter seats
    • ¥28,000 Dinner Light
    • ¥48,000 Dinner Heaven
    • ¥68,000 Dinner Kobe Beef Menu
    • +4 more · per person, tax incl. · 32% above the list median

    Lunch ¥15,000–19,999

    Tabelog 3.60

  25. 25

    Akasaka Himeno赤坂 ひめの

    Yakitori, Tameike–Sanno & Kasumigaseki, 7 min walk from Tameike-Sannō Station

    • UnionPay
    • Counter seats
    • Children welcome
    • Closed Mondays and Sundays
    • ¥13,000 Omakase Course with Tosa Jiro…
    • per person, tax incl. · 32% below the list median

    Tabelog 3.66

  26. 26

    Nagatacho Sushi Kanesaka永田町・鮨かねさか

    Sushi, Tameike–Sanno & Kasumigaseki, 4 min walk from Tameike-Sannō Station

    • UnionPay
    • English-speaking staff
    • Online booking
    • Counter seats
    • Children welcome
    • Wheelchair access
    • Closed Mondays

    Easy to book from abroad

    • ¥18,150 15 Pieces of Sushi, Rolls, Eg…
    • ¥32,670 7 Assorted Appetizers, 10 Pie…
    • ¥32,670 Year-End and New Year Omakase…
    • per person, tax incl. · 72% above the list median

    Lunch ¥15,000–19,999

    Tabelog 3.58

  27. 27

    La Rochelle Sannouラ・ロシェル 山王

    French, Tameike–Sanno & Kasumigaseki, 2 min walk from Tameike-Sannō Station

    • Children welcome
    • Vegetarian options
    • Closed Mondays and Tuesdays
    • ¥17,900 Dinner course
    • ¥19,800 Dinner course
    • ¥9,000 Lunch course
    • +3 more · per person, tax incl. · about the list median

    Lunch ¥8,000–9,999

    Tabelog 3.64

  28. 28

    Japanese cuisine Yamazato日本料理 山里

    Kaiseki, Tameike–Sanno & Kasumigaseki, 6 min walk from Toranomon Hills Station

    • Online booking
    • Private rooms
    • Counter seats
    • Children welcome
    • Wheelchair access
    • ¥20,000 Course
    • ¥20,000 Dinner course
    • ¥25,000 Course
    • +9 more · per person, tax incl. · about the list median

    Lunch ¥8,000–9,999

    Tabelog 3.60

  29. 29

    Sushi Dokoro Yushoすし処 優勝

    Sushi, Tameike–Sanno & Kasumigaseki, 4 min walk from Toranomon Hills Station

    • UnionPay
    • Counter seats
    • Wheelchair access
    • Closed Mondays
    • ¥16,500 Seasonal Omakase Course ◆ Sav…
    • per person, tax incl.

    Lunch ¥15,000–19,999

    Tabelog 3.62

  30. 30

    Sushi KOUMEI鮨KOUMEI

    Sushi, Tameike–Sanno & Kasumigaseki, 1 min walk from Toranomon Hills Station

    • UnionPay
    • English-speaking staff
    • Counter seats
    • Children welcome
    • Wheelchair access
    • ¥22,000 All-You-Can-Drink Dinner Omak…
    • ¥13,000 Lunch Course
    • per person, tax incl. · 16% above the list median

    Tabelog 3.58

  31. 31

    Japanese cuisine Suiren日本料理 水簾

    Kaiseki, Tameike–Sanno & Kasumigaseki, 3 min walk from Tameike-Sannō Station

    • Online booking
    • Private rooms
    • Counter seats
    • Vegetarian options
    • ¥21,000 Dinner course
    • ¥21,000 Dinner course
    • ¥22,000 Dinner course
    • +3 more · per person, tax incl. · 11% above the list median

    Lunch ¥8,000–9,999

    Tabelog 3.55

  32. 32

    Bar Lounge Starlightバーラウンジ スターライト

    Bars, Tameike–Sanno & Kasumigaseki, 6 min walk from Toranomon Hills Station

    • Online booking
    • Cards accepted
    • Private rooms
    • Counter seats
    • Wheelchair access
    • ¥5,600 Course
    • ¥6,000 Course
    • ¥6,500 Course
    • +9 more · per person, tax incl.

    Lunch ¥6,000–7,999

    Tabelog 3.54

  33. 33

    Sushi Kuon Kumagaiすし 久遠 くまがい

    Sushi, Tameike–Sanno & Kasumigaseki, 7 min walk from Tameike-Sannō Station

    • Private rooms
    • Counter seats
    • Children welcome
    • Closed Sundays

    ¥15,000–19,999

    dinner per person, about $100–130

    Lunch ¥4,000–4,999

    Tabelog 3.54

  34. 34

    Ginza Kyubey Okura Tokyo銀座 久兵衛 オークラ東京店

    Sushi, Tameike–Sanno & Kasumigaseki, 6 min walk from Toranomon Hills Station

    • Cards accepted

    ¥20,000–29,999

    dinner per person, about $130–200

    Lunch ¥20,000–29,999

    Tabelog 3.53

  35. 35

    Le Petit Chefル・プチシェフ

    French, Tameike–Sanno & Kasumigaseki, 7 min walk from Roppongi-itchōme Station

    • UnionPay
    • English-speaking staff
    • Vegetarian options
    • Closed Mondays and Tuesdays
    • ¥18,000 Course
    • ¥21,600 Course
    • ¥25,200 Course
    • per person, tax incl. · about the list median

    Lunch ¥20,000–29,999

    Tabelog 3.39

  36. 36

    Toranomon Mouri虎ノ門 もう利

    Kaiseki, Tameike–Sanno & Kasumigaseki, 2 min walk from Toranomon Hills Station

    • Private rooms
    • Counter seats
    • Children welcome
    • Wheelchair access
    • Closed Sundays
    • ¥4,400 Counter Reservations Here 【 L…
    • ¥4,400 Private Room Reservations Her…
    • ¥7,700 For those who have reserved P…
    • +3 more · per person, tax incl. · 36% below the list median

    Lunch ¥5,000–5,999

    Tabelog 3.40

  37. 37

    Fugu Ryori Umeiふぐ料理 うめい

    Kaiseki, Tameike–Sanno & Kasumigaseki, 7 min walk from Roppongi-itchōme Station

    • Private rooms
    • Children welcome
    • ¥18,000 Special Japanese Pufferfish F…
    • ¥3,850 Lunch Time Limited to 10 Meal…
    • ¥3,850 Lunch Time Limited to 10 Meal…
    • per person, tax incl.

    Lunch ¥5,000–5,999

    Tabelog 3.39

  38. 38

    Sakura Sakura赤坂 サクラ サクラ

    Kaiseki, Tameike–Sanno & Kasumigaseki, 7 min walk from Roppongi-itchōme Station

    • Private rooms
    • ¥9,300 Lunch course
    • ¥10,500 Lunch course
    • ¥14,700 Lunch course
    • per person, tax incl.

    Lunch ¥2,000–2,999

    Tabelog 3.39

  39. 39

    Akasaka Sushi Shino赤坂 鮨 しの

    Sushi, Tameike–Sanno & Kasumigaseki, 7 min walk from Tameike-Sannō Station

    • English-speaking staff
    • Online booking
    • Counter seats

    Easy to book from abroad

    • ¥18,000 Dinner Omakase Course with Fe…
    • ¥25,300 Dinner Omakase 4th Anniversar…
    • ¥30,800 Omakase 4th Anniversary + All…
    • +3 more · per person, tax incl. · about the list median

    Lunch ¥10,000–14,999

    Tabelog 3.32

  40. 40

    Akasaka Nishiyama赤坂 にしやま

    Kaiseki, Tameike–Sanno & Kasumigaseki, 7 min walk from Roppongi-itchōme Station

    • UnionPay
    • Counter seats
    • Children welcome
    • Closed Sundays

    ¥15,000–19,999

    dinner per person, about $100–130

    Lunch ¥6,000–7,999

    Tabelog 3.32

Showing the top 40 of 56 in full. See all 56 and filter by price, children or online booking.

Numbers 41 to 56 in this list

  1. Imagine Akasaka
  2. Janome Zushi
  3. Kadoya Hibiya tei
  4. Akasaka Sushi Furuyama
  5. The SUSHI, Andaz Tokyo
  6. La Tradition
  7. Toranomon Taketo
  8. Yukimaru
  9. Kohaku Chibo Toranomon
  10. Piatto Kitami
  11. Yamazato Sushi Kanesaka
  12. Toranomon Sushi Gen
  13. Kawasaki Torishou
  14. Sushi Akira
  15. Restaurant Ararat
  16. Nagatacho Ouka

How to book these 56, and what they charge

37 of these 56 publish a dinner course on Tabelog, Ikyu, Pocket Concierge or their own website. 29 publish a lunch course, at a median of ¥9,790 (48% below the dinner median). 25 can be booked online in English, 14 online in Japanese only, 14 by phone only and 3 publish neither a phone number nor online booking. The services that cover the most of them: Ikyu Restaurant (33, in Japanese), TableCheck (18), Pocket Concierge (7), OMAKASE (5).

BookingLanguageRestaurantsLeast expensive dinner course
TableCheckEnglish18¥7,969 · Le Pristine Tokyo
Pocket ConciergeEnglish7¥16,500 · Sushi Komari
OMAKASEEnglish5¥13,800 · Per Te
AutoReserveEnglish1¥19,250 · Kohaku Chibo Toranomon
Ikyu RestaurantJapanese only33¥7,969 · Le Pristine Tokyo
HitosaraJapanese only1—
the restaurant's booking formJapanese only1¥11,000 · Yukimaru
By phone only—14—
No phone or online booking published—3—

Each restaurant counted once for every service it takes bookings through; the least expensive dinner course is the lowest among the restaurants that service covers, as published on Tabelog, Ikyu, Pocket Concierge or the restaurant's website.

About high-end restaurants in Tameike–Sanno & Kasumigaseki

There are 56 restaurants in Tameike–Sanno & Kasumigaseki in this guide where dinner costs ¥15,000 or more per person. By dinner price, 25 at ¥15,000–19,999, 19 at ¥20,000–29,999, 5 at ¥30,000–39,999, and 7 at ¥40,000 or more. The largest groups are sushi (19), kaiseki (18), and French restaurants (10). 17 have won The Tabelog Award or a place on a Tabelog 100 list, including 1 Gold winner. That is about the same as the Tokyo average of about ¥26,000. Most are closest to Toranomon Hills (24), Tameike-Sannō (16), and Toranomon (7) stations.

25 of the 56 can be booked online; the others take reservations by phone, usually in Japanese, which is where a hotel concierge helps. 55 accept credit cards. 7 do not admit young children, while 21 say children are welcome. 40 also serve lunch, often the easier and cheaper way in.

Questions visitors ask

How much does high-end fine dining cost in Tameike–Sanno & Kasumigaseki?

Dinner at the 56 restaurants listed here ranges from ¥15,000 to ¥79,999 per person, and a typical dinner costs about ¥26,000: 25 at ¥15,000–19,999, 19 at ¥20,000–29,999, 5 at ¥30,000–39,999, and 7 at ¥40,000 and up, by Tabelog's dinner budgets. 37 of them publish a dinner course; the least expensive one at each has a median price of ¥19,000.

What is the highest-rated restaurant in Tameike–Sanno & Kasumigaseki?

On Tabelog, Japan's main restaurant guide, the highest-rated restaurants in Tameike–Sanno & Kasumigaseki in this guide are Sushi Saitou (4.62), unis (4.21), and Kanda (4.15). Scores change over time; each listing shows the score when it was last checked.

Which restaurants in Tameike–Sanno & Kasumigaseki have won awards?

Sushi Saitou, unis, Kanda, Koshikiryori Koki, Tomura, and Tempura Aratamikawa, among 17 in total, have won The Tabelog Award or been selected for a Tabelog 100 list.

Can I book fine dining in Tameike–Sanno & Kasumigaseki online?

Yes for 25 of the 56: they can be booked online in English, most through TableCheck (18), Pocket Concierge (7), and OMAKASE (5). 14 more take online bookings in Japanese only. 14 take bookings by phone only, often in Japanese; a hotel concierge can call.

Are children allowed at high-end fine dining restaurants in Tameike–Sanno & Kasumigaseki?

It depends on the restaurant: 21 say children are welcome and 7 do not admit young children. Each listing shows the restaurant's policy where it has one.