Book online or contact our team

Book Your KAISEI Stay

Kaisei Hotel Ibaraki-machi is currently available on Agoda, Airbnb, and Expedia. Kaisei Hotel Ishihama Coast is currently available on Agoda and Trip.com. Check each platform for live availability and rates. Contact KAISEI for help confirming an ocean-view room, parking, a rental car, or another special request. Payment, deposits, cancellations, and refunds follow the terms shown by the booking platform.

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Available on selected booking platforms

Live availability and rates

The link opens the property's page on the selected booking platform. Final rates, payment terms, and cancellation rules are those shown by that platform.

Kaisei Hotel Ibaraki-machi

A quiet forest-side stay with one dedicated parking space per room.

Booking platforms may display the legacy listing name “Hotel in the Forest.” Match the address before booking.

Agoda Airbnb Expedia

Kaisei Hotel Ishihama Coast

Close to the coast and hot springs; selected rooms offer ocean views.

Trip.com currently displays the legacy listing name “hotel ROOMER.” Match the address before booking.

Agoda Trip.com

Stay details and special requests

Choose your property first, then decide whether to book online or contact our team.

Forest-side hotel for road trips

Kaisei Hotel Ibaraki-machi

Ideal for a quiet stay beside the woods, a private parking space for every room, drives to Lake Hinuma, Oarai, Mito and Kasama, local-produce shopping, and road-trip itineraries of 2 nights or more.

Agoda Airbnb Expedia LINE WhatsApp

Coastal hotel for road trips

Kaisei Hotel Ishihama Coast

Ideal for Ishihama Coast, Unomisaki, hot springs, seafood shopping and road trips in northern Ibaraki. Some rooms have ocean views; advance confirmation is required.

Agoda Trip.com LINE WhatsApp

Villa Stay

Kaisei Stay Tojoji

Ideal for families and longer stays, with traditional timber construction, a quiet garden, Mount Tsukuba, Komachi no Yakata, Ibaraki Flower Park, and seasonal fruit and vegetables from the garden.

LINE WhatsApp

Please include

Dates, number of guests, and accommodation preferences

Send your check-in and check-out dates, number of guests, preferred room type, whether you will arrive by car, and whether you need a rental car or vehicle delivery.

Booking terms

Reference rates are shown; reservations and payment are handled by the booking platform

Reference rates on the official website are provided to help plan your trip. Accommodation bookings and payments are completed on the booking platform. Deposit or preauthorization, cancellation, and refund terms follow the booking platform used for your reservation.

Rental-car service

Submit a rental-car request online

Guests can submit a structured rental-car request through the website. Submission does not mean that a vehicle has been reserved. Before vehicle delivery, driving eligibility, insurance, delivery coverage, fees, deposit, accident procedures and written confirmation from KAISEI must all be completed.

Emergency contact

Use this number only for confirmed-stay emergencies

The KAISEI emergency contact in Japan, 070-2298-9860, is only for emergencies after a stay or rental car has been confirmed. Please continue to use LINE, WhatsApp or email for general inquiries.

For confirmed-stay emergencies, call

How to book

Available booking platforms plus personal assistance

Kaisei Hotel Ibaraki-machi is available on Agoda, Airbnb, and Expedia. Kaisei Hotel Ishihama Coast is available on Agoda and Trip.com. Direct links to other platforms are not yet available, but our team can still help confirm your accommodation needs.

Available booking platforms

Use an available booking platform to check live availability and rates.

Kaisei Hotel Ibaraki-machi
Agoda Kaisei Hotel Ibaraki-machi
Airbnb Kaisei Hotel Ibaraki-machi
Expedia Kaisei Hotel Ishihama Coast
Agoda Kaisei Hotel Ishihama Coast
Trip.com

inquiry template

Send all required details so the KAISEI team can reply more quickly.

Hello KAISEI,
I would like to ask about [property name].
Check-in: [ ]
Check-out: [ ]
Number of guests: [ ]
Children and ages: [ ]
Will you arrive by car? [ ]
Do you need a rental car or vehicle delivery? [ ]
Special requests: [ ]

DatesCheck-in and check-out dates
GuestsNumber of adults, children and total guests
PropertyKaisei Hotel Ibaraki-machi / Kaisei Hotel Ishihama Coast / Kaisei Stay Tojoji / Not decided yet
VehicleHave a car / Need rental-car advice / Need vehicle delivery to an airport, station or hotel
Special requestsOcean-view room, smoking or non-smoking, children, latest check-in, early check-in, late check-out, self check-in, key handover, luggage, local itineraries or dining recommendations