koti hakone
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koti hakone · GUIDE

A private villa for training camps in Hakone

A private villa in Sengokuhara, Hakone for seminar, club and dev camps: a 20-seat table, whiteboards, projector, fast Wi-Fi and Seisa Hakone Campus nearby.

koti hakone is a private villa in Sengokuhara, Hakone. We host just one group per night and the whole house is yours, so seminar presentation practice, club meetings and late-night code reviews can all move at your own pace.

The house sleeps 21 as standard, and up to 26 with futons. The big table on the first floor (1F) seats up to 20, so everyone can gather around one table for discussions. Also in Sengokuhara is Seisa Hakone Campus (the former Sengokuhara Junior High School), where you can rent a sports field, a gymnasium and a martial arts hall.

We're about 90 minutes from Shinjuku by car or highway bus. Booking on our official website (direct booking) gets you the best price, plus multi-night discounts (10% off for 2 nights, 15% off for 3 nights) and an early-bird discount (10% off when you book at least 90 days ahead).

A meeting (projecting onto a screen)A meeting (projecting onto a screen)

Training camps we're well suited for

  • Seminar camps: reading papers together, presentation practice, interim presentations of graduation theses
  • Club and circle camps: practice at Seisa Hakone Campus, then hold meetings in the evening (please come with an adviser, coach or other chaperone)
  • Dev camps and hackathons: focus and build, with fast Wi-Fi and displays
  • A final camp before retiring from a club, or a camp that doubles as a graduation trip

Company trips and corporate training are covered on our page for businesses.

Spaces and equipment for discussions

1F big table Seats 16 as is, and up to 20 when you add the square corner table in between. Everyone can see each other's faces, which makes it great for meetings and presentations.

2F playroom A room you can use as a second living room, with a smart TV and board games. It gives you another room when you split into groups to work.

Equipment you can borrow (storage room under the stairs)

ItemDetails
Whiteboards2 (one large, one small). Markers in 3 colors are a paid extra (¥300)
ProjectorAnker Nebula Capsule 3 Laser. Comes with a tripod; supports AirPlay and Chromecast
Displays2. Please bring your own HDMI cable
Extension cordsAvailable
Bluetooth speakerAvailable
Board gamesAssorted

Cell reception is weak inside the building, so please use the Wi-Fi at the entrance. The Wi-Fi is fast: 545 Mbps in Airbnb's speed test.

Discussion with a display and whiteboardDiscussion with a display and whiteboard PlayroomPlayroom

Pairing your stay with Seisa Hakone Campus

Seisa Hakone Campus is a facility housed in the former Sengokuhara Junior High School. It's in Sengokuhara, like koti hakone, and you can rent the following by the hour:

  • Artificial-turf sports field (soccer, futsal, 75 m tartan track lanes, etc.)
  • Gymnasium (basketball, volleyball, badminton, etc.)
  • Martial arts hall (judo, kendo, karate, etc.)
  • Lecture rooms and meeting rooms

Facilities are available from 9:00 am to 9:00 pm and can be rented in one-hour blocks. If you're renting facilities only, bookings open 1 month in advance (for camps staying at Seisa's own lodging, bookings open 6 months in advance, and some months use a lottery). For rates and how to apply, please check the Seisa Hakone Campus official website (facilities guide, rates). It's about 5 minutes by car or about 25 minutes on foot from koti hakone (both are estimates).

Top page of the Seisa Hakone Campus official website (sports field on the left)Top page of the Seisa Hakone Campus official website (sports field on the left)

We can complete the facility fee reduction certificate

If you stay at lodging in Hakone Town, your facility fees may be reduced. To get the reduction, the lodging must fill in and stamp Seisa's designated "施設使用料減免証明書" (Facility Fee Reduction Certificate).

koti hakone can fill in and stamp this certificate for you.

  1. When you book, let us know that you'll be using Seisa Hakone Campus and need the certificate
  2. Fill in the sections for the user, scan it and send us the PDF
  3. koti hakone will fill in and stamp it and send it back as a PDF (no need to mail it or bring it in person)

You'll need the certificate by the first day you use the facilities. Please request it with plenty of time to spare.

Planning your meals

You can mix and match cooking for yourselves, BBQ and a private chef.

Cooking for yourselves The kitchen is commercial-grade, with a 3-burner induction cooktop, a 10-cup (10-go) rice cooker and a large dishwasher. There are dishes and cutlery for 20 people each. It's ideal for big-batch dishes like curry or hot pot. Drinking water, ice and tea are not provided, so please bring your own (tap water is safe to drink).

BBQ The BBQ area in the garden is a covered BBQ area (under the building), so you can use it even in the rain. It has gas grills, so there's no fire to start. Groups of 11 or more can use 2 grills for free. You can have ingredients delivered by BBQ Wakita (BBQワキタ; order at least 5 days ahead) or AEON Net Super (イオンネットスーパー; order about 1 week ahead).

Private chef We partner with 3 private chefs (who cook at the house). Some can even do the grocery shopping for you. You can discuss the menu based on your group size and needs, so please contact us through our LINE official account.

Breakfast We keep 4 breakfast bread sets (¥1,000 per set (excl. tax)) in stock. If you need more, please let us know in advance.

The nearest supermarket is small and closes at 6:00 pm. If you're driving, we recommend stocking up in Odawara (小田原) or Gotemba (御殿場) on your way.

The whole kitchenThe whole kitchen A group around the BBQA group around the BBQ

Group size, bedding and baths

All bedrooms are on the second floor (2F). Bedroom 1 sleeps 3 as standard (up to 5), and Bedrooms 2–5 sleep 2 as standard (up to 3). The playroom also becomes a bedroom with the 4 mattresses from the built-in closet. There are 21 single beds, and for 22 or more guests we use the spare futons.

The rate is for the whole house. The price is the same for up to 8 guests; from the 9th guest, an additional guest fee of ¥8,000 per person per night applies. The cleaning fee is charged once per stay, so a 2-night, 3-day stay lowers the cost per night.

The large bath is filled with free-flowing natural hot spring water (onsen), and several people can use the tub at once. There are 3 showers. The bath is not separated by gender, so most groups take turns by time slot. You can also add a private shower room for one person (¥4,400 per night). There are 4 restrooms in the house.

Bedding layout

Sample 2-night, 3-day schedule

SeisakotiTravel

Day 1

  1. Travel from Shinjuku (about 90 minutes by car or highway bus)
  2. Drop your luggage at koti hakone first (allowed 11:00–15:00)
  3. Practice and lectures at Seisa Hakone Campus
  4. Check-in
  5. BBQ
  6. Meeting at the big table
  7. Outdoor time ends. Hot spring, then free time in the playroom

Day 2

  1. Breakfast (self-catering or the breakfast bread set)
  2. Practice and lectures at Seisa Hakone Campus (with a lunch break)
  3. Dinner (private chef or self-catering)
  4. Presentations (using the projector and display)

Day 3

  1. Breakfast and tidying up (sort the trash, wash the dishes, put the mattresses back)
  2. Check-out. A final session at Seisa, or head home
DayTimeActivity
Day 1MorningTravel from Shinjuku (about 90 minutes by car or highway bus)
Day 111:00–Drop off luggage at koti hakone first (luggage drop-off 11:00–15:00)
Day 112:00–14:30Practice or lectures at Seisa Hakone Campus
Day 115:00–Check-in
Day 118:00BBQ
Day 119:30Meeting at the big table
Day 121:00Outdoor areas close. Hot spring bath, then free time in the playroom
Day 28:00Breakfast (self-catered, breakfast bread sets)
Day 29:00–17:00Practice or lectures at Seisa Hakone Campus (with a lunch break)
Day 218:00Dinner (private chef or self-catered)
Day 219:30Presentations (using the projector and displays)
Day 38:00Breakfast and tidying up (sort the trash, wash the dishes, put the mattresses back)
Day 310:00Check-out. A final practice at Seisa, or head home

If you use the sauna (a paid extra), it takes 1–1.5 hours to heat up. The sauna is outdoors, so please finish using it, including the cool-down deck, by 9:00 pm.

Cooling off in the open air on the deck (night)Cooling off in the open air on the deck (night)

Rules after 9:00 pm

koti hakone is in a quiet vacation-home area. After 9:00 pm, outdoor areas can't be used, including the BBQ area, fire pit, sauna and garden. If a neighbor files a complaint, you'll receive a warning and be charged a response fee; repeated incidents will result in termination of your contract and having to leave.

  • Please don't play the indoor piano after 9:00 pm
  • Handheld fireworks may be used only at the fire pit. Aerial fireworks and fireworks that make popping or banging sounds are prohibited
  • Smoking is allowed outdoors only (terrace and garden). Smoking indoors is grounds for termination of your contract

For other rules, see the House Rules.

For student groups

  • As a rule, we don't accept stays by students alone. Please have a supervising teacher or coach come with you (we don't accept stays by guests under 18 alone)
  • By the day before your stay, please register everyone on the guest registration form (the person who booked: name, email, phone and address; other guests: name only)
  • No one other than registered guests may enter, and day visits are not allowed
  • Drinking alcohol under the age of 20 is prohibited by law
  • If you break any equipment, be sure to let us know. If it was an accident, no compensation is required

No staff are on site. If you need help, contact our LINE official account (@koti-hakone).

Quotes, invoices and receipts

You can request a quote or an invoice (PDF) through our document request form. Companies can pay by bank transfer against an invoice. We also welcome groups that aren't legal entities (research labs, clubs, etc.), but payment is by credit card in advance. Bank transfer isn't available for them, so if you absolutely need it, please talk to us.

Receipts for bookings on our official website can also be requested through the document request form, and will arrive as a PDF within 2 business days. For other booking sites, please issue receipts from each site. We can also issue a certificate of stay as a PDF. Our qualified invoice registration number (インボイス登録番号) is T8100002037634.

For bookings on our official website, cancellation is free up to 15 days before your stay; from 14 days before, the fee is 100% of the accommodation rate.

Access and parking

We're a 15-minute walk from the nearest bus stops (the "Hakone Sengoku" bus stop (箱根仙石) for highway buses, and the "Sengoku" bus stop (仙石) for local buses). Parking fits 5 standard cars (4 larger cars). One microbus can also park. Medium-size and larger buses can't enter the vacation-home area. For details, see Getting here.

FAQ for this page

How many guests can stay?

The house normally sleeps 21 (21 single beds), and up to 26 using futons. However, with more than 21 guests, the stay may be less comfortable. Children under 2 who don't use their own bedding (up to 4) aren't counted in the number of guests. Airbnb only lets you select up to 16 guests on its booking screen, so for groups of 17 or more, please tell us the exact number after booking.

Can minors or students stay on their own?

We don't accept stays by groups made up only of guests under 18. Student groups (seminar groups, school clubs, student circles, etc.) are also, as a rule, required to be accompanied by a teacher or supervisor. If you have any questions, please contact us through our LINE official account before booking.

How late can we stay up at night?

There's no time limit indoors. Because we're in a quiet villa area, the outdoor spaces (the garden, outdoor kids' park, BBQ area, fire pit and sauna) can't be used after 9:00 pm, even quietly (the smoking area may be used quietly). After 9:00 pm, please close the windows and stay indoors, and please refrain from playing the piano.

Do you have equipment for meetings or presentations?

We lend out two whiteboards (one large, one small), a projector (with tripod, AirPlay and Chromecast compatible), two displays and extension cords. Please bring your own HDMI cable to connect to the displays.

Can you fill out the Seisa Hakone Campus fee reduction certificate?

Yes, we can fill it out and stamp it with our seal. If you need one, please let us know when you book.

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