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Membership Entrance

Membership Entrance

<As for a login modification for MGH members>

We will inform you of the modification of your login ID in order to improve conveniences for all MGH members.

The login system has been changed since March 2017, please login with your registered e-mail address and password.
If you are unable to login after the login system change, we are sorry to trouble you,
but please feel free to contact us at the below e-mail address.
We intend to reply as soon as possible to your e-mail.

MGH Guest Center
The Celestinehotels / Mitsui Garden Hotels
Mail :

Guest Center TEL : (Mobile/IP Phone) +81-3-3548-0328 (Charge)
(Landline for a domestic area only) 0120-313146 (Free of Charge)
Weekdays only : 10:00-17:00 (Japan Time)
Guest Center is closed on Saturdays, Sundays and National Holidays. points exchange shipping is also closed.

【Notes concerning membership points】
*Points equivalent to 5% of room charge (excluding taxes, rounding down a fraction less than \100)will be vested to your account.
*Hotel Gift Ticket cannot be converted into cash. No change will be given to the balance after using the ticket.
*Points will not be vested with the reservation made through internet agents, travel agencies and corporate discount rates.
*It may take a few days after check-out date for the vested points to be shown on your account.
*Please note that if you initially created your member’s account through our Japanese website, you will not be able to log on to this account through our English website.

Important Notice

The expiration dates of loyalty points for MGH members for English website, will be extended up to September 30, 2021.
Since it is undecided after that date, we will inform you on our English website once it’s been decided.

For Members

Please enter your E-mail and Password.

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For Non-members
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