祝良屋 (Iwaiya) offers a unique dining experience aboard a traditional yakatabune (houseboat) in Tokyo Bay, perfect for celebrations and gatherings. Guests can choose from various plans, including private charters and shared rides, tailored to their needs.
The restaurant features a diverse menu, including authentic Japanese cuisine, Italian buffets, and BBQ options, ensuring a delightful culinary experience on the water. Seasonal views enhance the ambiance as guests enjoy their meals.
In addition to dining, guests can partake in various entertainment options, such as traditional Japanese performances and interactive activities, making it an ideal venue for memorable events.
Information sourced from restaurant website and may be subject to change.
Menu
Japanese Cuisine Setprice not shown
A selection of traditional Japanese dishes such as sashimi and tempura. This course is exclusively for the shared plan.
Allergens: Gluten, Shellfish, Wheat, Vegan: No, Vegetarian: No
Estimated Calorie Count: 520
Chef’s Recommended Buffetprice not shown
An enhanced Italian buffet with a greater variety of dishes and upgraded ingredients, featuring a visually stunning lineup. Perfect for enjoying on board during a party.
Allergens: None detected, Vegan: No, Vegetarian: No
Estimated Calorie Count: 1218
Italian Buffetprice not shown
A popular Italian menu for corporate gatherings and after-parties. The surprising Italian dishes are sure to delight women as well.
Allergens: None detected, Vegan: No, Vegetarian: No
Estimated Calorie Count: 244
Onboard BBQ Courseprice not shown
A course that allows you to enjoy authentic BBQ on board. Currently, this is a plan exclusive to the Western-style houseboat (cruiser).
Allergens: None detected, Vegan: No, Vegetarian: No
Estimated Calorie Count: 560
Nigiri Sushi Courseprice not shown
Enjoy the epitome of Japanese cuisine, sushi, on a houseboat. This luxurious course features a sushi chef preparing sushi on board.
Allergens: None detected, Vegan: No, Vegetarian: No
Estimated Calorie Count: 480
Menu Date: December 2025
Dietary & Allergen Information: Please be aware that our dish analysis is powered by AI and may contain errors. Always check with your server before ordering.
Discover Tokyo’s Vibrant Food Scene
Tokyo’s food culture is a world-class mix of traditional Japanese cuisine, street eats, and global influences — with many restaurants offering multilingual menus to welcome visitors from everywhere. Must-try dishes include fresh sushi and sashimi, hearty ramen, crispy tempura, comforting tonkatsu, delicate kaiseki multi-course meals, and sweet matcha treats or mochi.
Want to go deeper into Tokyo’s flavors, hidden gems, and tips for navigating local menus? Our full Tokyo Food Scene Guide covers it all.
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⚠️ Dietary & Allergy Warning
Our AI estimates dietary info based on dish names and descriptions. Always inform your server of allergies or dietary restrictions before ordering.
Address
3-18-21 Kaigan, Minato City, Tokyo, Japan
GPS
35.6433714, 139.7563277
Telephone
Accuracy
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