Opening Soon

HOTEL THE MITSUI HAKONE

Hakone · Hotel

HOTEL THE MITSUI HAKONE occupies roughly 135,000 square meters of hillside in Kowakudani, the Hakone hot spring valley in Kanagawa Prefecture, on land that once held the private villa retreats of the Mitsui family.

Official Website
Verified Sep 21, 20263 months to delivery
AnnouncedBreaking GroundConstructionOpening SoonNow Open
07.24
Start
12.15.26
Completion
126
Keys
3
Floors
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The story so far
Announced 2024 est.Mitsui Fudosan unveils HOTEL THE MITSUI HAKONE, a 126-key luxury hotel on the family's former Kowakudani villa estate
mitsuifudosan.co.jp
Broke ground Jul 2024
The date is set Jul 13, 2026Mitsui Fudosan fixes HOTEL THE MITSUI HAKONE's opening for 15 December 2026
mitsuifudosan.co.jp
Bookings open Jul 15, 2026Reservations open for the 126-room Kowakudani hotel ahead of its 15 December debut
mitsuifudosan.co.jp
Expected opening Dec 15, 2026
Milestones are dated to when they actually happened and linked to their source. This record fills in over time as TMW tracks the project.
About the project

HOTEL THE MITSUI HAKONE occupies roughly 135,000 square meters of hillside in Kowakudani, the Hakone hot spring valley in Kanagawa Prefecture, on land that once held the private villa retreats of the Mitsui family. Yabu Pushelberg leads the interior design across a low-slung, three-story structure that steps down a 45-meter change in elevation, with Nikken Sekkei managing the project and Takenaka Corporation building it. The 126 rooms span ten types, from 48-square-meter Deluxe Rooms to a 240-square-meter Presidential Suite, and every one draws the site's high-saline spring water into a private hot spring bath. Shared facilities centre on the Thermal Spring, an indoor and outdoor bathing pavilion, alongside five spa treatment rooms, a fitness gym and walking paths threading the wooded grounds. Dining runs across three venues: Sankei for Japanese cuisine, the all-day RIVERINE, and The Bar LAMBENT, with SHIKI-AN, a traditional sukiya-style tea space, held apart for ceremony. The property sits a short walk from Kowakudani Station on the Hakone Tozan Railway, roughly 90 minutes from central Tokyo.

Developer & design
The Hakone market 13 · Balanced supplyKowakudani 4-project pipeline · 430 residences and keys · peak Late ’28 Explore the market →
Common questions

Frequently asked

Where is HOTEL THE MITSUI HAKONE located?

HOTEL THE MITSUI HAKONE is located in Hakone.

When will HOTEL THE MITSUI HAKONE open?

HOTEL THE MITSUI HAKONE is opening soon, with completion expected on December 15, 2026.

Who is developing HOTEL THE MITSUI HAKONE?

Mitsui Fudosan is the developer behind HOTEL THE MITSUI HAKONE.

Who designed HOTEL THE MITSUI HAKONE?

HOTEL THE MITSUI HAKONE was designed by Yabu Pushelberg, Nikken Sekkei.

How big is HOTEL THE MITSUI HAKONE?

HOTEL THE MITSUI HAKONE rises 3 stories with 126 hotel keys.