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.

YouTube 公式動画

YouTube INAサイト紹介動画