International Seminar House – Lake Saiko
The iconic International Seminar House at Lake Saiko is an acclaimed post-modern architectural landmark, originally built circa 1990 as a private educational retreat. Conceived as a place for gathering, learning, and reflection, the residence combines bold concrete construction with expansive views and generous communal spaces.
The property features a large seminar hall with direct Mount Fuji views, formal dining capacity for up to 40 guests, and a rooftop penthouse suite complete with an expansive wooden deck and a luxurious master bathroom. Additional amenities include two guest bathrooms and a separate ground-floor apartment with private entrance, ideal for guests, staff, or independent use.
Now offered for sale as buy-reform-operate package, this is a rare opportunity to acquire and renovate a one-of-a-kind architectural property. Equally suited for conversion into a private residence, hotel, creative retreat, seminar venue, or boutique hospitality concept—set against the extraordinary backdrop of Mount Fuji. Ask about our renovation and design teams for updating baths, kitchens, outdoor spaces etc.
SAIKO SEMINAR HOUSE
Property Saiko Seminar House
Location Lake Saiko, Mt Fuji Five Lakes, Yamanashi, Japan
Price ask
Land Area 1,200 sqm
Floor Area 420 sqm
Built Year circa 1990
Material RC reinforced concrete
Condition Good. Structurally sound.
Renovation and Reforms
For building rennovation and rental operations, designs and planning have been done for updating Bath, Kitchen, Flooring and for creating 3 internal apartments which can be rented separately or the whole house as a whole.
* note - images may not show current state of building. Photographs are past, present, may be outdated and some are CG or artists image and renderings of how building may look in the future.
Lake Saiko
Located just minutes from Kuwarubi Beach on Lake Saiko, the home enjoys access to swimming, windsurfing, fishing, canoeing, and lakeside recreation, all within the pristine natural setting of the Fuji Five Lakes region.
Map
Tokyo, Shinjuku, Shibuya - 1 hour 40 min
Haneda Airport - 1 hour 55 min
