Just 80 Minutes from Central Tokyo
A Private Resort Reserved for One Group per Day

About an 80-minute drive from central Tokyo,
surrounded by the rich nature of Isumi City, Chiba,
stands a secluded private resort villa:
KIRA – A Private Retreat Under the Sun & Stars.
The moment you arrive, you’ll be struck by its extraordinary scale.
Set on a vast 3,000㎡ private estate,
this exclusive villa is reserved for only one group per day.
Everything here is yours—and yours alone.
Complete Privacy, No Sharing with Anyone

At KIRA, “private villa” goes far beyond words.
This is a truly exclusive stay where nothing is shared.
An open-air bath, sauna, swimming pool, BBQ garden, and theater room—
every space is entirely private, with no other guests around.
Laugh freely, let children play without worry,
and stay up late talking under the stars.
Here, you can enjoy the luxury of being completely at ease.
Five Private Bedrooms
Comfort and Personal Space for Large Groups
The villa features five lockable bedrooms,
designed so that everyone can enjoy their own personal space.
With accommodation for up to 16 guests,
KIRA is ideal for family trips, multi-generational gatherings,
group vacations, corporate retreats, and workations.
1. SEA Room – 2 Double Beds

2. MOON Room – 1 Double Bed

3. STAR Room – 2 Single Futons

4. SUN Room – 1 Double Futon

5. SKY Room – 1 Queen Bed

Relax, Play, and Connect
Facilities That Turn Your Stay into an Experience
▽Private Open-Air Bath

▽Sauna

▽Garden Theater

▽Swimming Pool
All facilities are reserved exclusively for your group
and available 24 hours a day during your stay.
In summer, enjoy a 15-meter indoor pool and jacuzzi,
perfect for both adults and children—regardless of weather or sun exposure.
Flexible Dining, Your Way

The covered BBQ garden allows you to enjoy BBQ in any weather.
Choose a fully prepared BBQ meal plan for a hassle-free experience,
or bring your own ingredients and cook freely with your group.
Dining at KIRA is designed to fit your style and schedule.
From Special Celebrations to Workations
A Place You’ll Want to Return To

Birthdays, anniversaries, memorable trips with friends,
or a peaceful workation balancing work and relaxation—
KIRA welcomes every purpose with warmth and flexibility.
The property also offers free parking for up to 30 vehicles
and a complimentary shuttle service from the nearest station
(reservation required).
Time spent here will become
a memory you’ll never forget.
Facility Information
Facility Name
KIRA - Private Retreat Under the Sun & Stars
Email Address
Phone Number
Access
CHIBAISUMI-SHI2572-7 Tanigami, MISAKICHO
Important Notes
Check-in / Check-out
Check-in
15:00 ~ 20:00
Check-out
~10:00
Policy
Cancellation Policy
Facilities & Services
Room Facilities & Amenities
Amenities / Facilities / Bathroom
Facilities & Services
Food Facility / Pool・Spa / Transport
Facility Precautions
What time are check-in and check-out?
Check-in is from 3:00 PM to 6:00 PM, and check-out is by 10:00 AM. Early check-in or late check-out is available for an additional fee of ¥6,000 per hour (up to 6 guests), plus ¥1,000 per additional person per hour. Advance reservation is required, and requests may not be accepted depending on availability before or after your stay. We also offer an Early Lunch BBQ Plan. Please contact our staff for details.
Is day-use available?
Day-use is currently not available.
Can I stay with my pet?
Yes, pets are allowed. Please be sure to contact us in advance. You must review and comply with our pet policy before your stay. The fee is ¥2,000 per dog. Small dogs only, up to a maximum of 3 dogs. Pets must stay in a crate indoors (one crate per room). If a pet is brought without prior notice, we may refuse accommodation. The garden is a private dog run, where you can enjoy BBQ together with your dog.
Can I stay alone?
Reservations are accepted for 2 guests or more. The price is the same for up to 6 guests.
Is there a cancellation fee?
Cancellation fees are as follows: From 31 days before arrival: 50% From 15 days before arrival: 70% From 7 days before arrival: 100% On the day of arrival: 100%
Can I change the number of guests or my plan?
Yes, changes or additions to the number of guests can be accommodated flexibly up until the day before arrival. If you have ordered meals, please contact us at least 5 days before arrival.
Do you offer a shuttle service?
Advance reservation is required at least 3 days in advance. Pick-up and drop-off are available at Kazusa-Ichinomiya Station. Pick-up: 2:30 PM – 4:00 PM Drop-off: 9:30 AM – 10:00 AM Up to 6 guests. We can accompany you on one grocery shopping trip only. Please note that this service may not be available depending on vehicle availability or other circumstances. If unavailable, a taxi ride takes about 10 minutes and costs approximately ¥2,000.
What amenities are provided?
We provide yukata (Japanese robes), shampoo, conditioner, body soap, toothbrushes, cotton swabs, bath towels, face towels, hair dryer, hair iron, lotion, facial cleanser, hand soap, makeup remover, cotton pads, and more.
Are yukata available for children?
Yukata are available for adults only. Please bring pajamas for children.
Is air conditioning available?
All rooms in the facility are fully equipped with air conditioning.
Are there bathrooms and toilets?
On the first floor, there is an open-air bath, an indoor bath, and a cold plunge pool. There is also an additional bathroom on the second floor. All baths are for private use only. There are three toilets in total, all Western-style with bidet (washlet) functions.
Can we enjoy BBQ or meals even if it rains?
Yes. There is a large covered space, so you can enjoy your time comfortably even in the rain. There are also two roofed gazebos in the garden.
Can we bring our own food and drinks?
Yes, you may bring your own food and drinks free of charge. There are three refrigerators available (kitchen, living area, and BBQ garden). Use of the kitchen for cooking is free. If you bring your own ingredients and use the BBQ grill, an additional fee of ¥1,000 per person applies, including grill and charcoal.
Can we bring our own fire pit table or stove?
Sorry, for fire safety reasons, bringing your own fire pit tables, BBQ grills, or stoves is not permitted.
What seasonings are provided?
For cooking or BBQ with your own ingredients, please bring your own seasonings. A minimal set of basic seasonings such as salt and pepper is available upon request.
Is parking available?
Yes, free parking is available. Up to 30 cars can be parked.
Can we do fireworks?
Handheld fireworks and fountain-type fireworks are allowed until 9:00 PM in the backyard area “KIRA Private Park.” Please bring your own fireworks and lighter. Buckets will be provided.
Are there any convenience stores or supermarkets nearby?
There is a Lawson convenience store about a 5-minute drive away. Supermarkets (Leo Misaki Store and Sendo Ichinomiya Store) are about a 12-minute drive away.














