Conectando
Otemachi Sankei Plaza
大手町サンケイプラザ
- Max capacity
- 600 people (4F Hall, Theater)
- Largest room
- 455㎡
- Address
- Tokyo 100-0004 Tokyo Sankei Building 2F-4F, 1-7-2 Otemachi, Chiyoda-ku
- Nearest stations
- Otemachi Station (Marunouchi, Hanzomon, Chiyoda and Tozai Lines of Tokyo Metro; Toei Mita Line) Exits A4 and E1: direct connection / JR Tokyo Station Marunouchi North Exit: 7 min walk
- Opening hours
- Standard hours 9:00-21:00 (the price list also has a rate setting that starts at 8:00). On the day, you can enter from 30 minutes before the start time (entering more than 30 minutes earlier is charged).
- Official website
- s-plaza.com Guide for organizers
Rooms and capacity
| Room | Area (㎡) | Ceiling (m) | Theater | Classroom | Hollow square | Standing | Banquet |
|---|---|---|---|---|---|---|---|
| 2F Rooms 201 and 202 (each)Classroom is 2 per desk. Classroom, 3 per desk: 48 seats. Island layout: 24 seats. | 53 | 3 | 72 | 32 | 30 | 30 | 20 |
| 2F Rooms 201+202Classroom is 2 per desk. Classroom, 3 per desk: 66 seats. Island layout: 54 seats. | 120 | 3 | 104 | 44 | 36 | 70 | 40 |
| 3F Rooms 301, 302 and 303 (each)Classroom is 2 per desk. Classroom, 3 per desk: 78 seats. Island layout: 36 seats. The individual page for Room 303 lists 53㎡ / 16 tsubo, but the room list and price list give 83㎡. | 83 | 3 | 112 | 52 | 48 | 50 | 30 |
| 3F Room 304Classroom is 2 per desk. Classroom, 3 per desk: 78 seats. Island layout: 36 seats. | 103 | 3 | 112 | 52 | 48 | 60 | 30 |
| 3F Rooms 301+302Classroom is 2 per desk. Classroom, 3 per desk: 189 seats. Island layout: 96 seats. | 191 | 3 | 272 | 126 | 66 | 110 | 60 |
| 3F Rooms 303+304Classroom is 2 per desk. Classroom, 3 per desk: 189 seats. Island layout: 96 seats. | 209 | 3 | 272 | 126 | 66 | 120 | 60 |
| 3F Rooms 301-303Classroom is 2 per desk. Classroom, 3 per desk: 234 seats. Island layout: 126 seats. | 297 | 3 | 360 | 156 | 84 | 200 | 80 |
| 3F Rooms 301-304Classroom is 2 per desk. Classroom, 3 per desk: 342 seats. Island layout: 150 seats. Figures are for the vertical layout (classroom 2 per desk 228, classroom 3 per desk 342, island layout 150, chair layout 504). The horizontal layout is classroom 2 per desk 200, classroom 3 per desk 300, island layout 204, chair layout 432. | 422 | 3 | 504 | 228 | 102 | 300 | 120 |
| 3F Room 310Classroom is 2 per desk. Classroom, 3 per desk: 54 seats. Island layout: 36 seats. | 85 | 2.85 | 96 | 36 | 36 | 50 | 30 |
| 3F Rooms 311 and 312 (each)Classroom is 2 per desk. Classroom, 3 per desk: 84 seats. Island layout: 72 seats. | 113 | 2.85 | 128 | 56 | 42 | 60 | 40 |
| 3F Rooms 311+312Classroom is 2 per desk. Classroom, 3 per desk: 192 seats. Island layout: 138 seats. | 229 | 2.85 | 288 | 128 | 78 | 120 | 80 |
| 4F HallClassroom is 2 per desk. Classroom, 3 per desk: 396 seats. Island layout: 246 seats. Area and capacity are for the hall only. Combined with Room 401 (29㎡) and the lounge (146㎡), "Hall + Room 401 + Lounge" is 630㎡. | 455 | 7 | 600 | 264 | 120 | 450 | 200 |
| 4F Room 401The official page presents it as "Hall, Waiting Room (Room 401) and Lounge". Maximum capacity is 10 people (price list). It cannot be used on its own, only as a set with the hall. | 29 | — | — | — | — | — | — |
| 4F LoungeExclusive use is available only when it is used together with the hall and Room 401. | 146 | — | — | — | — | — | — |
Source: s-plaza.com (Capacities are the maximums the venue states; they change with layout and equipment.)
Official documents (floor plans, price lists, terms)
Operating rules (from the official website and documents)
Day-before setup
Standard hours are 9:00-21:00, and use outside standard hours incurs an after-hours extension fee. Exhibitions are charged at the exhibition rate; if you use the space by the hour for preparation, the rate is 30% above the conference room rate, and if work continues past 21:00, an extension fee is charged. Exhibition decoration and construction must be requested from the operator's designated companies.
Source: s-plaza.comLoad-in and load-out
Packages can be stored in advance by the day before the event, addressed to the 2F front desk (2F Front Desk, Otemachi Sankei Plaza, 1-7-2 Otemachi, Chiyoda-ku, Tokyo 100-0004, with the event name and the person in charge). Shipments from the venue are brought to the 2F front desk and are in principle sent collect (shipments after 17:00 go out the next day). The freight elevator is 270 cm high, 320 cm wide and 170 cm deep (door opening 210 cm high x 247 cm wide), with a maximum load of 2,700 kg, and stops at floors 1 to 5. Hand trucks are available free of charge.
Source: s-plaza.comDelivery vehicle rules
General vehicles that can enter the parking lot are limited to 2.3 m high, 5.3 m long and 1.9 m wide. Delivery vehicles are limited to 2-ton standard trucks. The large freight elevator is right inside the parking lot entrance on the ground floor.
Source: s-plaza.comParking
There is a Times 24 hourly parking lot in the basement of the building, and the entrance is on the north side of the building (Otemachi Financial City side). The rate is 440 yen per 30 minutes, with no free service or discounts. Operating hours are given as 7:00-22:30 in this FAQ, and as 7:00-23:30 on the access page and in the terms of use.
Source: s-plaza.comWaiting rooms and dressing rooms
Room 401 (29㎡) on the 4th floor is presented on the official page as "Hall, Waiting Room (Room 401) and Lounge". Room 401 and the lounge (146㎡) cannot be rented on their own; they are used together with the hall as a package of hall, Room 401 and lounge (630㎡).
Source: s-plaza.comCatering and outside food/drink
Outside food and drink may not be brought in, for hygiene reasons. The building has an in-house kitchen and pantry, and food and drink are ordered from the operator's sales staff. Boxed lunches can be ordered from 1 piece, and the number must be finalized by the morning of the previous day (excluding Saturdays, Sundays and holidays).
Source: s-plaza.comRestaurants in the venue or building
Receptions can be held with the party plans provided by the in-house dedicated kitchen (from 20 to a maximum of 450 people). The Light Meal Standing Plan (with 1.5 hours of free drinks) is 7,000 yen, the Casual Plan (with 2 hours of free drinks) is 8,800 yen, and the Gourmet Plan is 9,800 yen (all per person, tax included, as listed for September to November 2026). From December to January, year-end and New Year party plans apply. A reception in the same room as the seminar is also possible, but a changeover time is needed, and the operator says booking a separate venue is smoother.
Source: s-plaza.comOperating 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 2, 2026)
Nearby shops for when something goes wrong on the day
Print shops (large volume, large format)
For posters, panels and large print runs.
- 1 min walk Kinko's Otemachi Weekdays 9:00-20:00 / Closed Sat, Sun & holidays
- 5 min walk Accea Otemachi Open 24 hours (open every day of the year)
Convenience stores (multi-copy machines)
Small print runs, drinks, tape, batteries and similar.
- 2 min walk FamilyMart Otemachi Building 8:00-22:00 (Sat 8:00-18:00; closed Sun & holidays)
- 2 min walk 7-Eleven KDDI Otemachi Building Open 24 hours
- 2 min walk Natural Lawson S Otemachi Financial City South 10:00-21:00
100-yen shops
Masking tape, scissors, badge holders, extension cords, plastic bags and similar.
- 5 min walk Can Do Marunouchi Oazo Mon-Fri 8:00-22:00 / Sat-Sun 9:00-21:00
- 12 min walk 3COINS Yaechika 10:00-21:00
Don Quijote
For late-night or day-of-event shopping.
- 21 min walk Don Quijote Akihabara Open 24 hours 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 2, 2026).
Nearby hotels
Places to stay for staff who arrive the day before or travel from far away. These are the hotels around Otemachi Sankei Plaza featured on BizinTokyo, our guide for attendees.
- HOSHINOYA Tokyo About 1 min walk to Otemachi Sankei Plaza
- Aman Tokyo About 3 min walk to Otemachi Sankei Plaza
- Ascott Marunouchi Tokyo About 3 min walk to Otemachi Sankei Plaza
- Four Seasons Hotel Tokyo at Otemachi About 3 min walk to Otemachi Sankei Plaza
- Mitsui Garden Hotel Otemachi About 4 min walk to Otemachi Sankei Plaza
- Marunouchi Hotel About 6 min walk to Otemachi Sankei Plaza
* Hotel links are Expedia affiliate links. Conectando earns a referral fee when a booking is made.