Tokyo, Japan · Mitsui Fudosan Hotel Management Co., Ltd.
Mitsui Garden Hotel Nihonbashi PREMIER
Worth checking
MGH Rewards Club has an official English signup route, and Mitsui Garden Hotel Nihonbashi PREMIER participates in the program with a verified member rate.
This finding is limited to the confirmed English route and the adopted program facts. Foreign-resident eligibility and final server-side registration are not verified. No live same-stay rate comparison was performed for this hotel. The hotel has official offers, but their OTA equivalence and member-rate combinability are unknown, so they do not strengthen this rating or verdict.
These booking links are not currently affiliate links. Editorial decisions are independent of commercial relationships. This page does not claim that the official rate is cheapest. Read the disclosure.
Booking decision
Why check direct
- Member exclusive 5% discount
- Platinum and Diamond early check-in and late check-out extension
- Diamond member complimentary breakfast
- MGH points earning on eligible direct stays — future value
- Qualifying night credit toward membership rank — future value
- Complimentary breakfast voucher after qualifying stay milestones — future value
Benefit-level booking channels are preserved instead of reducing mixed non-direct eligibility to “No benefits.” Conditional value only applies when its stated traveler and eligibility conditions are met.
This booking or stay
Immediate benefits
Member exclusive 5% discount
5%
Confirmed program-wide benefit preserved from the immutable Program Raw.
- Eligible tiers
- Booking channels
- direct
Only officially confirmed DIRECT eligibility is normalized. Tier and benefit-specific conditions remain in the immutable Program Raw evidence.
Platinum and Diamond early check-in and late check-out extension
Confirmed program-wide benefit preserved from the immutable Program Raw.
- Eligible tiers
- Booking channels
- direct
Only officially confirmed DIRECT eligibility is normalized. Tier and benefit-specific conditions remain in the immutable Program Raw evidence.
Diamond member complimentary breakfast
Confirmed program-wide benefit preserved from the immutable Program Raw.
- Eligible tiers
- Booking channels
- direct
Only officially confirmed DIRECT eligibility is normalized. Tier and benefit-specific conditions remain in the immutable Program Raw evidence.
Future or status-gated value
Deferred benefits
MGH points earning on eligible direct stays
Confirmed program-wide benefit preserved from the immutable Program Raw.
- Eligible tiers
- Booking channels
- direct
Only officially confirmed DIRECT eligibility is normalized. Tier and benefit-specific conditions remain in the immutable Program Raw evidence.
Qualifying night credit toward membership rank
Confirmed program-wide benefit preserved from the immutable Program Raw.
- Eligible tiers
- Booking channels
- direct
Only officially confirmed DIRECT eligibility is normalized. Tier and benefit-specific conditions remain in the immutable Program Raw evidence.
Complimentary breakfast voucher after qualifying stay milestones
Confirmed program-wide benefit preserved from the immutable Program Raw.
- Eligible tiers
- Booking channels
- direct
Only officially confirmed DIRECT eligibility is normalized. Tier and benefit-specific conditions remain in the immutable Program Raw evidence.
For international travelers
Membership accessibility
MGH Rewards Club: The latest verification records an English web signup path. The documented signup step count is not verified. No live signup screen count is recorded.
- English signup
- Yes
- Foreign residents supported
- Not verified
- Foreign address supported by policy
- Yes
- Foreign address form manually verified
- Yes
- Foreign phone supported
- Yes
- Foreign phone form manually verified
- Yes
- Kana required
- No
- App required
- No
- Immediate member rate
- Yes
Read the full MGH Rewards Club reference.
Traceable decision
Verification
Current decision evidence
- Membership checked
- September 9, 2026
- Hotel checked
- September 9, 2026
- Method
- Official sources and manual test
- Manual tests
- Recorded alongside official sources
- Methodology
- Version 2.0
- Published decision
- September 9, 2026
Foreign phone form: Yes. Foreign address form: Yes.
Official evidence only
Sources
- MGH Rewards Club HomepagePreserved from the immutable v2 Program Raw source registry.
- MGH Rewards Club Membership AgreementPreserved from the immutable v2 Program Raw source registry.
- Frequently Asked Questions - MGH Rewards ClubPreserved from the immutable v2 Program Raw source registry.
- Agreement | Mitsui Garden HotelsPreserved from the immutable v2 Program Raw source registry.
- Handling of personal information for MGH Rewards Club MembersPreserved from the immutable v2 Program Raw source registry.
- Login | Mitsui Garden HotelsPreserved from the immutable v2 Program Raw source registry.
- Human verification: English registration formReceipt-backed pre-submission observation only; final submission and server-side acceptance were not tested.
- MGH Rewards Club HomepagePreserved from the immutable v2 Hotel Raw source registry.
- 【公式】三井ガーデンホテル日本橋プレミアPreserved from the immutable v2 Hotel Raw source registry.
- Mitsui Garden Hotel Nihonbashi Premier / TokyoPreserved from the immutable v2 Hotel Raw source registry.
- Hotel Information | Mitsui Garden Hotel Nihonbashi PREMIER | Tokyo | Formal ReservationPreserved from the immutable v2 Hotel Raw source registry.
- ReFa Collaboration Room｜Mitsui Garden HotelsPreserved from the immutable v2 Hotel Raw source registry.
- [Limited to 2 rooms per day] ReFa Room Plan <room only>Preserved from the immutable v2 Hotel Raw source registry.
- [Limited to 2 rooms per day] ReFa Room Plan <breakfast included>Preserved from the immutable v2 Hotel Raw source registry.
- 【連泊割】2連泊以上でお得にステイ＜朝食付＞Preserved from the immutable v2 Hotel Raw source registry.
- 【連泊割】2連泊以上でお得にステイ＜素泊り＞Preserved from the immutable v2 Hotel Raw source registry.