Masterfully Designed Beach House Hits the Market in Tiburon

PR Newswire

TIBURON, Calif., Sept. 11, 2026

Top Agent Stephanie Lamarre Debuts California Modernist Estate for $17,500,000

TIBURON, Calif., Sept. 11, 2026 /PRNewswire/ -- One of the rarest architectural and waterfront residential offerings in the San Francisco Bay Area has hit the market, a sleek California modern designed beach house in coveted Tiburon in Marin County. Known as La Casa Del Quattro Orizzonti (House of the Four Horizons), the one-of-a-kind property was designed by renowned Italian architect Andrea Ponsi, and has been featured in numerous architectural and design publications for its its exceptional, iconic design and beachfront location. Stephanie Lamarre of Golden Gate Sotheby's International Realty has the listing, offered at $17,500,000.