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Tokyo Bay Ariake Washington Hotel
東京ベイ有明ワシントンホテル
- Max capacity
- 500 people (3F Iris (entire hall), Theater)
- Largest room
- 669㎡
- Address
- Tokyo 135-0063 3-7-11 Ariake, Koto-ku
- Nearest stations
- Rinkai Line, Kokusai-tenjijo Station: 3 min walk / Yurikamome Line, Tokyo Big Sight Station and Ariake Station: 3 min walk
- Opening hours
- Banquet halls and conference rooms: 9:00-21:00 (late-night and early-morning hours outside 9:00-21:00 are charged 30% above the regular rate). The venue can be used from 30 minutes before the reserved time
- Official website
- washington-hotels.jp Guide for organizers
Rooms and capacity
| Room | Area (㎡) | Ceiling (m) | Theater | Classroom | Hollow square | Standing | Banquet |
|---|---|---|---|---|---|---|---|
| 3F Iris (entire hall)A large multi-purpose hall that can be divided into 3. Meeting use: 605,000 yen for 4 hours, 715,000 yen for 8 hours, 935,000 yen for 12 hours; banquet use: 231,000 yen for 2 hours (service charge and tax included; the basic fee includes 2 microphones). Exclusive one-company-per-day plan, available only on Sat, Sun and holidays: 715,000 yen for 8 hours, 935,000 yen for 12 hours, with the foyer and 1 small meeting room (40㎡) included | 669 | 5.1 | 500 | 324 | — | 500 | 256 |
| 3F Iris (2/3)Meeting use: 484,000 yen for 4 hours, 594,000 yen for 8 hours, 814,000 yen for 12 hours; banquet use: 154,000 yen for 2 hours (service charge and tax included) | 446 | 5.1 | 260 | 198 | 78 | 240 | 160 |
| 3F Iris (1/3)Meeting use: 352,000 yen for 4 hours, 462,000 yen for 8 hours, 682,000 yen for 12 hours; banquet use: 88,000 yen for 2 hours (service charge and tax included) | 223 | 5.1 | 156 | 108 | 54 | 100 | 80 |
| 3F EucalyptusNo sound equipment (microphones). Meeting use: 55,000 yen for 4 hours, 88,000 yen for 8 hours, 110,000 yen for 12 hours (service charge and tax included). Suited for use as a waiting room or event office | 40 | 2.9 | 30 | 18 | 18 | — | — |
| 3F GentianNo sound equipment (microphones). Meeting use: 77,000 yen for 4 hours, 110,000 yen for 8 hours, 143,000 yen for 12 hours (service charge and tax included) | 70 | 2.9 | 50 | 36 | 30 | — | — |
| 3F CattleyaNo sound equipment (microphones). Meeting use: 77,000 yen for 4 hours, 110,000 yen for 8 hours, 143,000 yen for 12 hours (service charge and tax included) | 67 | 2.9 | 50 | 36 | 30 | — | — |
| 3F MagnoliaNo sound equipment (microphones). Meeting use: 66,000 yen for 4 hours, 99,000 yen for 8 hours, 132,000 yen for 12 hours (service charge and tax included) | 55 | 2.9 | 40 | 18 | 18 | — | — |
| 3F MapleNo sound equipment (microphones). Meeting use: 88,000 yen for 4 hours, 121,000 yen for 8 hours, 154,000 yen for 12 hours (service charge and tax included). A corner room with a view of Tokyo Big Sight | 87 | 2.9 | 50 | 30 | 30 | — | — |
| 21F Grand Blanc (Sky Banquet)Meeting use: 352,000 yen for 4 hours, 462,000 yen for 8 hours, 682,000 yen for 12 hours; banquet use: 88,000 yen for 2 hours (service charge and tax included; the basic fee includes 2 microphones). No dedicated internet line is provided | 180 | 2.7 | 80 | 42 | — | 100 | 72 |
Source: washington-hotels.jp (Capacities are the maximums the venue states; they change with layout and equipment.)
Official documents (floor plans, price lists, terms)
- Banquet Hall & Conference Room Rental Equipment Price List (tax included)PDF
- Iris Layout ExamplesPDF
- Grand Blanc Layout ExamplesPDF
- Eucalyptus Layout ExamplesPDF
- Gentian Layout ExamplesPDF
- Cattleya Layout ExamplesPDF
- Magnolia Layout ExamplesPDF
- Maple Layout ExamplesPDF
- Consecutive Use Pays Off! Seminar Plan Leaflet (July 2026)PDF
- Access MapPDF
Operating rules (from the official website and documents)
Day-before setup
The venue can be used from 30 minutes before the reserved time, and reservations are made for a time that allows for setup and move-out. Basic setup such as desks and chairs is done by the hotel, and restoring the room to its original state is not required. Packages can be received and held on the day before the event (cash-on-delivery shipments cannot be received). Packages can also be sent from the venue.
Source: washington-hotels.jpLoad-in and load-out
Usage hours are 9:00-21:00. Any hours up to 24 hours can be requested, and late-night and early-morning hours outside 9:00-21:00 are charged 30% above the regular rate. Depending on the time of day, additional fees may apply.
Source: washington-hotels.jpDelivery vehicle rules
For parking, use the contracted parking lot (Ariake Park Building) on B1F to 3F of the hotel building. If it is full, it cannot be used, and parking in spaces such as the driveway in front of the entrance is not accepted. Parking is first-come, first-served and reservations are not accepted. Large buses cannot park.
Source: washington-hotels.jpParking
Holds 253 vehicles; limits are height 2.10 m, width 1.90 m, length 5.50 m and weight 2.3 t. Free for up to 6 hours for meeting use and up to 2 hours for banquet use. For overnight stays, 1,000 yen (tax included) per 24 hours (1 night) from entry.
Source: washington-hotels.jpWaiting rooms and dressing rooms
3F Eucalyptus (40㎡) is a room suited for use as a waiting room or event office. With the exclusive one-company-per-day plan for Iris (entire hall), 1 small meeting room (40㎡, capacity 12 to 30 people) is included free of charge for use as a waiting room, event office or luggage storage.
Source: washington-hotels.jpCatering and outside food/drink
For users of the 3F conference rooms, conference room bento boxes are available (beef steak rice bowl 2,420 yen, eel rice bowl 2,860 yen, pork steak rice bowl 1,980 yen, all service charge and tax included; served 11:30-13:30; advance reservation required). For banquets, there are buffet-style banquet plans: the Season Plan is 11,000 yen per person and the Holiday Plan (Sat, Sun and holidays) is 8,800 yen per person, with 2 hours of free drinks, for 30 to 500 people, held in 3F Iris or 21F Grand Blanc. Catering that the hotel brings to your venue starts from 100 people, from 9,900 yen per person (service charge and tax included).
Source: washington-hotels.jpRestaurants in the venue or building
On the 1F of the hotel are the restaurant "Georgetown," McDonald's and Daily Yamazaki; on the 2F are the casual izakaya "Uchoten," the seafood restaurant "Mehiko," the Chinese home-style cuisine "Rakuen," the charcoal-grilled skewers & eclectic izakaya "Maharani," the Japanese dining & soba "Takui," Cocos and WASYOKU DINING "Gazen," among others. Consecutive use pays off! With the Seminar Plan, if a reception is held after a seminar, the banquet room fee is free (the same room used for 2 or more consecutive days and a total of 12 hours or more; applies to bookings made from July 1, 2026 to March 31, 2027).
Source: washington-hotels.jpOperating rules are limited to what each venue’s official website and official PDFs state. Items that are not listed are ones we could not find on the official website. Always confirm with the venue before you book. (Checked: Nov 7, 2026)
Nearby shops for when something goes wrong on the day
Print shops (large volume, large format)
For posters, panels and large print runs.
- 4 min walk Accea Tokyo Big Sight Mae Weekdays 8:00-22:00, Sat, Sun & holidays 10:00-19:00
Convenience stores (multi-copy machines)
Small print runs, drinks, tape, batteries and similar.
- 2 min walk Lawson Ariake Central Tower Open 24 hours
- 2 min walk FamilyMart Cancer Institute Hospital 7:00-21:00
- 3 min walk 7-Eleven DR Kokusai-tenjijo Ekimae Open 24 hours
100-yen shops
Masking tape, scissors, badge holders, extension cords, plastic bags and similar.
- 6 min walk Can Do Wanza Ariake Mon-Sun 10:00-19:30
- 8 min walk DAISO Ariake Garden 10:00-21:00
Don Quijote
For late-night or day-of-event shopping.
- 26 min walk Kirakira Donki Diver City Tokyo Plaza 10:00-21:00 Distance is calculated from the address location.
If you run out of drinks (same-day delivery)
This venue is in Kakuyasu's same-day delivery area. Kakuyasu (Nandemo Sake-ya Kakuyasu) “delivery from store” covers all 23 wards of Tokyo and all of Nishi Ward in Yokohama for same-day delivery (free shipping). Delivery slots are hourly from 10:00 to 22:00 (order cutoff 30 minutes before; some stores also offer the 9:00 slot). Besides alcohol, they also carry soft drinks such as tea.
Source: Kakuyasu: store delivery areas (Japanese) / Kakuyasu: delivery dates and times (Japanese)
Walking minutes are the straight-line distance to the venue divided by 80 m per minute, as a rough guide (the actual walking route is longer). Shop names and opening hours were checked on each company's official store page (as of Nov 7, 2026).
Nearby hotels
Places to stay for staff who arrive the day before or travel from far away. These are the hotels around Tokyo Bay Ariake Washington Hotel featured on BizinTokyo, our guide for attendees.
- DoubleTree by Hilton Tokyo Ariake About 3 min walk to Tokyo Bay Ariake Washington Hotel
- Sotetsu Grand Fresa Tokyo-Bay Ariake About 4 min walk to Tokyo Bay Ariake Washington Hotel
- Hotel Villa Fontaine Grand Tokyo-Ariake About 7 min walk to Tokyo Bay Ariake Washington Hotel
- Hotel Trusty Tokyo Bayside About 9 min walk to Tokyo Bay Ariake Washington Hotel
- Far East Village Hotel Tokyo, Ariake About 11 min walk to Tokyo Bay Ariake Washington Hotel
- Hotel JAL City Tokyo Toyosu A few train stops from Tokyo Bay Ariake Washington Hotel (about 1.7km away)
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