First occupancy 2026 – Exclusive 4.5-room penthouse with panoramic lake view in Altendorf SZ

In a privileged location on Lake Obersee, this exceptional 4.5-room penthouse awaits you. With approximately 150 m² of living space and an impressive usable area of around 307 m², this attic apartment combines modern design, high-quality materials, and a spectacular view of Lake Zurich and the surrounding mountains. Spacious window fronts, light-flooded rooms, and a timeless interior design create an exclusive living ambiance that meets the highest standards.

Highlights

• First occupancy from August 16, 2026

• Exclusive penthouse / attic apartment

• Approx. 150 m² living space / approx. 307 m² usable space

• Dreamlike panoramic lake view to the Alps

• Spacious living and dining area with fireplace

• Modern design kitchen with cooking island and breakfast bar

• High-quality kitchen appliances and noble interior design

• Two stylish bathrooms

• Whirlpool as an exclusive wellness highlight

• Pergola with all-around lockable sides

• Large-format floor tiles and discreet recessed spots

• Energy-efficient ground probe heat pump

• Comfortable underfloor heating and cooling system

• Garage parking spaces available

• Sunny and excellently connected location

• Altendorf train station within walking distance

• A3 motorway connection Pfäffikon SZ in immediate proximity

This exclusive attic apartment combines modern living comfort, an unparalleled view, and the highest construction quality to create a unique home on Lake Zurich.

Swiss Twins Immobilien | Real Estate Management accompanies you personally and competently – from the first viewing to the handover of the keys. Arrange your personal viewing appointment today and discover this exceptional residential property.