Conectando
HOTEL Mariners' Court TOKYO
ホテルマリナーズコート東京
- Max capacity
- 520 people (4F Hakuho, Theater)
- Largest room
- 438㎡
- Address
- Tokyo 104-0053 4-7-28 Harumi, Chuo-ku
- Nearest stations
- Toei Oedo Line Kachidoki Station Exit A5: 10 min walk / BRT: get off at the "Harumi Chuo" stop (about 10 min by BRT from Shimbashi) / Toei Bus: about 25 min from the Tokyo Station Marunouchi South Exit, get off at "Hotel Mariners Court Tokyo-mae"
- Opening hours
- Meeting rooms can be used 9:00-21:00. Room charges after 21:00 are 50% higher (as of August 2025)
- Official website
- hotel-mariners.co.jp Guide for organizers
Rooms and capacity
| Room | Area (㎡) | Ceiling (m) | Theater | Classroom | Hollow square | Standing | Banquet |
|---|---|---|---|---|---|---|---|
| 2F HeianIsland layout: 108. Can be divided into Kasuga (172㎡) and Toyoake (86㎡) (areas and capacities when divided are in the next two rows). The official room chart PDF gives 120 for seated banquet dining (as of August 2025). | 258 | 2.7 | 300 | 180 | 96 | 160 | 100 |
| 2F Kasuga (2/3 of Heian)Island layout: 72. | 172 | 2.7 | 200 | 108 | 66 | 100 | 80 |
| 2F Toyoake (1/3 of Heian)Island layout: 36. | 86 | 2.7 | 90 | 45 | 36 | 40 | 40 |
| 2F Ocean CourtIsland layout: 45. | 163 | 2.7 | 90 | 45 | 36 | 100 | 80 |
| 3F YayoiIsland layout: 36. Can be divided into Yayoi (33㎡) and Manyo (29㎡). | 62 | 2.7 | 50 | 24 | 30 | 30 | 30 |
| 3F Yayoi (1/2 of Yayoi)Island layout: 18. | 33 | 2.7 | 30 | — | 18 | — | 10 |
| 3F Manyo (1/2 of Yayoi)Island layout: 18. | 29 | 2.7 | 30 | — | 18 | — | 10 |
| 3F KinsenSize is 24 tatami mats. Can be divided into Kinsen and Ginsen (12 tatami mats each). Kaiseki face-to-face style. | — | 2.5 | — | — | — | — | 27 |
| 3F Kinsen (1/2 of Kinsen)Size is 12 tatami mats. | — | 2.5 | — | — | — | — | 10 |
| 3F Ginsen (1/2 of Kinsen)Size is 12 tatami mats. | — | 2.5 | — | — | — | — | 10 |
| 3F YuiIsland layout: 63. Can be divided into Yui (74㎡) and En (53㎡). The official room chart PDF gives classroom 63, theater 120 and island layout 72 (as of August 2025). | 127 | 2.7 | 100 | 60 | 54 | 60 | 60 |
| 3F Yui (1/2 of Yui)Island layout: 36. | 74 | 2.7 | 60 | 36 | 36 | 40 | 40 |
| 3F Midori (1/2 of Yui)Island layout: 18. The room chart PDF writes it as "縁" (En). | 53 | 2.7 | 48 | 24 | 30 | 20 | 20 |
| 3F MizuhoIsland layout: 36. Kaiseki face-to-face style. | 64 | 2.4 | 60 | 36 | 30 | 30 | 30 |
| 4F HakuhoIsland layout: 198. Can be divided into Asuka (219㎡) and Momoyama (219㎡). The official room chart PDF writes it as "白鳳" (Hakuho). | 438 | 6.3 | 520 | 336 | 114 | 400 | 200 |
| 4F Asuka (1/2 of Hakuho)Island layout: 99. | 219 | 6.3 | 250 | 144 | 72 | 150 | 90 |
| 4F Momoyama (1/2 of Hakuho)Island layout: 99. | 219 | 6.3 | 250 | 144 | 72 | 150 | 90 |
| 4F TachibanaIsland layout: 63. Can be divided into Tachibana (65㎡) and Sakura (55㎡). | 120 | 2.7 | 120 | 54 | 54 | 60 | 60 |
| 4F Tachibana (1/2 of Tachibana)Island layout: 36. | 65 | 2.7 | 48 | 24 | 30 | 30 | 30 |
| 4F Sakura (1/2 of Tachibana)Island layout: 27. | 55 | 2.7 | 40 | 18 | 24 | 30 | 20 |
| 5F KaedeIsland layout: 54. Can be divided into Kaede (62㎡) and Keyaki (44㎡). | 106 | 2.7 | 80 | 66 | 48 | 50 | 50 |
| 5F Kaede (1/2 of Kaede)Island layout: 36. | 62 | 2.7 | 50 | 33 | 30 | 30 | 30 |
| 5F Keyaki (1/2 of Kaede)Island layout: 18. | 44 | 2.7 | 30 | 21 | 24 | — | 20 |
| 5F Audio-Visual RoomIsland layout: 63. | 132 | 2.7 | 100 | 72 | 54 | 60 | 60 |
| 5F Comfort CabinThe hollow-square figure differs between the room chart PDF (16) and the official page (12) (the 12 from the newer official page is used). | 38 | 2.7 | — | — | 12 | — | 10 |
| 12F Le Havre | 106 | 2.7 | — | — | — | 80 | 60 |
| 12F Le Havre Salon | 53 | 2.7 | — | — | — | 30 | 20 |
Source: hotel-mariners.co.jp (Capacities are the maximums the venue states; they change with layout and equipment.)
Official documents (floor plans, price lists, terms)
- Banquet Facilities Overview & Price List (as of August 2025)PDF
- Price List for Equipment, Audio-Visual, Beverages, etc. (as of July 1, 2026)PDF
- Banquet & Event TermsPDF
- Overnight Training Seminar PlanPDF
- Year-end & New Year Party Plan (2026 edition)PDF
- Autumn Party Plan (2026 edition)PDF
- Kindergarten, Graduation & Thank-You Party Plan (2027 edition)PDF
Operating rules (from the official website and documents)
Day-before setup
For exhibition load-in, the full exhibition room fee applies if the room is used from the morning of the day before, and half of the exhibition room fee applies if it is used from noon the day before. Usage time for banquets and events includes setup through removal, and additional room charges apply if the contracted time is exceeded (extensions may not always be possible). (Source: Price list as of August 2025, Banquet & Event Terms 2025 edition)
Source: hotel-mariners.co.jp (PDF)Delivery vehicle rules
Banquet and meeting guests can use the parking lot free for up to 6 hours. If banquet attendees will use the parking lot, check with the hotel's staff. To eradicate drunk driving, free parking tickets are not issued to guests who have been drinking and will drive. (Source: Banquet & Event Terms)
Source: hotel-mariners.co.jp (PDF)Parking
56 spaces (paid). Height limit 2.1 m. General rate is 500 yen per 30 minutes; banquet and meeting use is free for up to 6 hours; restaurant and cafe users get up to 1 hour free with a purchase of 2,000 yen or more; hotel guests pay 2,000 yen per night.
Source: hotel-mariners.co.jpCatering and outside food/drink
Decorations, sound, lighting, entertainment and companions are arranged by the hotel's contracted vendors. If you ask a vendor other than the hotel's to handle them directly, notify the hotel's staff in advance and obtain approval. If attendance is required, attendant labor costs apply. The hotel's banquet plans are 8,500 to 12,000 yen per person including venue fee, food, 2 hours of free-flow drinks, tax and service charge (from 15 people; Autumn party plan: September 1 to November 15, 2026; Year-end and New Year party plan: November 16, 2026 to February 14, 2027).
Source: hotel-mariners.co.jpRestaurants in the venue or building
The same building has a restaurant (60 seats; lunch 11:30-14:00, closed Sat, Sun and holidays; breakfast 7:00-9:30 is also open to non-guests) and the cafe Roppongi Coffee (55 seats inside, 6 on the terrace, 8:00-18:30). The restaurant Le Havre on the 12th (top) floor is also rented out as a banquet room, for 80 standing or 60 seated. (Source: Hotel restaurant page)
Source: hotel-mariners.co.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.
- 9 min walk Accea Kachidoki 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 7-Eleven Harumi Open 24 hours
- 3 min walk 7-Eleven Harumi 3-chome Open 24 hours
- 3 min walk Lawson Chuo Harumi 3-chome Open 24 hours
100-yen shops
Masking tape, scissors, badge holders, extension cords, plastic bags and similar.
- 5 min walk DAISO Harumi Triton 10:00-21:00
- 6 min walk DAISO Lalaterrace HARUMI FLAG 10:00-21:00
Don Quijote
For late-night or day-of-event shopping.
- 28 min walk Don Quijote Ginza Main Building (Ginza Nine Building 3) 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 7, 2026).
Nearby hotels
Places to stay for staff who arrive the day before or travel from far away. These are the hotels around HOTEL Mariners' Court TOKYO featured on BizinTokyo, our guide for attendees.
- L stay & grow Harumi About 3 min walk to Hotel Mariners' Court Tokyo
- Premier Hotel CABIN PRESIDENT Tokyo About 4 min walk to Hotel Mariners' Court Tokyo
- La Vista Tokyo Bay About 10 min walk to Hotel Mariners' Court Tokyo
- Manyo Club (Toyosu) About 10 min walk to Hotel Mariners' Court Tokyo
- Hotel JAL City Tokyo Toyosu About 12 min walk to Hotel Mariners' Court Tokyo
- Mesm Tokyo, Autograph Collection Outside walking distance of Hotel Mariners' Court Tokyo (about 1.5km away)
* Hotel links are Expedia affiliate links. Conectando earns a referral fee when a booking is made.