185 Gilmartin Dr in Tiburon, CA ($16,500,000)

ByJon Dykstra Luxury Homes

Aerial view of a luxury mansion surrounded by lush greenery, featuring a swimming pool, tennis court, and landscaped gardens.

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Specifications:

  • City: Tiburon, CA
  • Price: $16,500,000
  • Bedrooms: 7
  • Baths: 11
  • Sq. Ft.: 13,836
  • Property: 1.38 Acres
  • Year built: 1999
  • Additional features: Grand double staircase, over 10,000 square feet of living space, and elevator. Ideal workout space including spa, steam room, and sauna. Manicured grounds including the tennis court, pool with outdoor kitchen, guest house, and caretaker quarters.

More information here from Lauren Lawson with Sotheby’s International Realty

In order to come up with the very specific design ideas, we create most designs with the assistance of state-of-the-art AI interior design software.

Photos:

Aerial view of a luxury mansion surrounded by lush greenery, featuring a swimming pool, tennis court, and landscaped gardens.

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Grand entryway of a mansion showcasing a double staircase with ornate wrought-iron railings, a crystal chandelier, and a large arched window.

Living room with coffered ceilings, a glass dome skylight, and large windows offering views of the garden.

Living room with coffered ceilings, a glass dome skylight, and large windows offering views of the garden.

Formal dining area with glass table, upholstered chairs, and floor-to-ceiling windows leading to an outdoor patio and scenic views.

A spacious wood-paneled sitting room with large windows offering views of the landscape, a blue sofa, and a classic armchair.

Circular dining room featuring a polished wood table, a chandelier, and wrap-around glass doors overlooking a manicured garden.

Family room featuring multiple seating arrangements, a fireplace, and windows providing panoramic outdoor views.

Modern kitchen with high-gloss cabinetry, a central island, pendant lighting, and an integrated breakfast bar with bar stools.

Kitchen with an island, bar seating, and pendant lighting, connected to a dining area with scenic views

A modern circular breakfast nook with a glass table, white chairs, and expansive windows showcasing the surrounding garden.

Wine cellar with floor-to-ceiling wooden racks and ample storage space for bottles.

Bedroom with patterned wallpaper, a brass bed frame, and a sitting area by large windows overlooking greenery.

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Bedroom with coastal views through multiple windows, featuring a telescope and a reading corner.

Bedroom with hardwood flooring, French doors leading to a patio, and a sitting area.

A bedroom with a large bed, closet, seating area, and a wall-mounted TV.

A bedroom with large windows, a fireplace, seating, and balcony access.

A bathroom with a freestanding bathtub, double sinks, and large windows.

A bathroom with a long counter, sink, and mirror.

A bathroom with a glass shower enclosure and a single sink.

Outdoor kitchen with grill, sink, and counter near a pool.

Indoor spa room with a circular hot tub and columns.

Outdoor pool area with a pergola and surrounding greenery.

Outdoor pool area with a pergola and surrounding greenery.

Driveway leading to the entrance with landscaped sides.

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Circular driveway with a sculpture in the center and the main house in the background.

Aerial view of the mansion with the surrounding landscape and bay.

More information here from Lauren Lawson with Sotheby’s International Realty

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Jon Dykstra
Jon Dykstra

Jon practiced law before launching his online publishing career, bringing analytical rigor to everything he builds. Home Stratosphere combines that precision with a lifelong obsession with residential design — architecture, interiors, landscape, and furniture.

His current focus is AI-driven design analysis, using artificial intelligence to study patterns in color, layout, and material choice across thousands of homes. His Personality Type Home Design Guide applies personality frameworks to interior aesthetics, helping readers design spaces that reflect how they actually think and live.

His favorite piece on the site is the 25 Most Popular Designs, is a daily-updated ranking of the top designs over the last 30 days, driven entirely by visitor activity. The feedback is invaluable for understanding what resonates most with readers. LinkedIn

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