September Stay Offer — 5% Off
A little more reason to make Tokyo home this September.
The offer
Book and check in by 30th September 2026 and enjoy 5% off your stay at selected SUMII apartments. The discount applies to your entire length of stay, not just the September portion, so the longer you stay, the more you save.
Use code SUMIISEPT26 at checkout.
How it works
A few things worth knowing before you book:
Both your booking and your check-in must be completed by 30th September 2026.
The 5% discount applies to your full length of stay, regardless of when your stay ends.
This promotion cannot be combined with any long stay promotions currently in effect.
Selected apartments are excluded from this offer. Please check availability when enquiring.
The promotion expires on 30th September 2026 at 23:59.
FAQ
The minimum stay is 1 month and the maximum is 12 months — flexible terms designed to suit your schedule.
No. SUMII requires no guarantor and no key money. At booking you pay the first month's rent, a refundable deposit, and an exit cleaning fee. Nothing more.
Absolutely. The entire booking process can be completed remotely and in English. SUMII apartments are designed with expats and international residents in mind.
Utilities including electricity, gas, and water, as well as high-speed WiFi are all included. Every apartment is fully furnished and move-in ready.
Once your booking is confirmed, your apartment is ready from day one. Our team will respond to all enquiries within one business day.