Belvedere Island, Marin County, California

Belvedere Luxury Interior Designer

Kenneth Bordewick — The Billion Dollar Designer — brings Beverly Hills' highest standard of ultra-luxury interior design to Belvedere Island.

Beverly Hills Luxury Interiors

Belvedere Luxury Interior Designer

Belvedere Island is the crown jewel of the entire Bay Area luxury real estate market. A private island community in Marin County connected to Tiburon by a narrow causeway, Belvedere hosts fewer than 1,400 residents across a collection of extraordinary waterfront and hillside estates that command some of the most spectacular views on the Pacific Coast: the Golden Gate Bridge, the San Francisco skyline, Angel Island, and the entire sweep of San Francisco Bay. In 2025, Apple's legendary designer Jony Ive paid $43.5 million for the historic Locksley Hall mansion at 440 Golden Gate Avenue — the county's highest residential sale of the year. A current listing on Crest Road is asking $50 million, making Belvedere one of the most expensive residential communities in the United States.

The architecture on Belvedere reflects the island's singular character: shingled Bay Area Tradition homes from the Edwardian era sit alongside mid-century modern masterworks and contemporary custom estates, all united by their relationship to water and the astonishing quality of light that defines this place. Lots are limited, inventory is almost never available, and the residents who do live here are among the most private and distinguished individuals in California.

Beverly Hills Luxury Interiors brings Kenneth Bordewick's design intelligence to Belvedere's extraordinary residential canvas. The BHLI approach here is driven by the site: every Belvedere estate is first and foremost about its relationship to the Bay, the bridges, the sky, and the water. Kenneth designs interiors that amplify these irreplaceable views at every turn — through the placement of seating groups, the selection of window treatments, the choice of reflective and light-responsive materials — so that the Bay itself becomes the primary design element.

Whether the commission is a historic shingle-style estate on Golden Gate Avenue, a mid-century modern on West Shore Road, or a new contemporary compound on Crest Road, BHLI delivers interiors that are as exceptional as the setting they inhabit.

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What We Offer

Ultra-Luxury Design Services

Waterfront Estate Design

Belvedere's defining characteristic is its water: the Bay, the coves, the reflections that change by the hour. BHLI designs interiors that engage this extraordinary setting through material selection, sightline planning, and spatial compositions that honor the island's irreplaceable views.

Historic & Contemporary Estate Design

From Edwardian shingle-style mansions to contemporary glass compounds, BHLI brings the same depth of craft and design intelligence to every architectural tradition on Belvedere Island.

Luxury Wellness Design

Private biohacking suites featuring infrared sauna, cold plunge, red light therapy, hyperbaric oxygen, IV therapy, cryotherapy, float tanks, and private performance gyms — integrated seamlessly into the estate.

Historic & Estate Restoration

Meticulous restoration of historic mansions, heritage estates, palaces, and landmark properties — returning them to their original grandeur while integrating contemporary luxury standards. From original plasterwork and period millwork to structural stone, frescoes, and authentic period materials, Kenneth Bordewick honors the past while elevating each property to its highest possible expression.

Common Questions

Frequently Asked Questions

What makes Belvedere Island the most exclusive address in Marin County?

Belvedere is a private island with strictly limited inventory, extraordinary waterfront views of the Golden Gate Bridge and San Francisco skyline, and home sales regularly reaching $15M–$50M. In 2025, the highest sale in all of Marin County was Jony Ive's purchase of Locksley Hall on Belvedere for $43.5 million. It is simply one of the most coveted residential addresses in the United States.

Does Beverly Hills Luxury Interiors design for Belvedere's historic estate homes?

Yes. Kenneth Bordewick has extensive experience with Edwardian and Bay Area Tradition-style historic homes, where the challenge is honoring extraordinary architectural heritage while integrating the material quality, technology, and comfort systems that contemporary ultra-luxury clients demand.

What is the design approach for a Belvedere waterfront estate?

Every Belvedere home is defined by its relationship to the Bay. BHLI's design process begins with a thorough analysis of views, light, and the specific character of each property's waterfront orientation. We design spaces that engage the exterior landscape at every turn — making the Golden Gate Bridge a living element of the interior composition.

Can BHLI integrate a private wellness suite into a Belvedere estate?

Absolutely. Many Belvedere commissions include private spa environments — infrared sauna, cold plunge, red light therapy, and private gym spaces — designed with the same material quality and spatial intelligence as the rest of the home, often with Bay views incorporated wherever feasible.

How does a Beverly Hills Luxury Interiors engagement begin in Belvedere?

Contact Kenneth Bordewick at kenneth@bhli.us or (310) 467-5635 for a private consultation. Kenneth personally reviews every prospective commission before engaging the full BHLI team.

Begin Your Project

Commission Your Belvedere Island Estate

Contact Beverly Hills Luxury Interiors for a private consultation with Kenneth Bordewick — The Billion Dollar Designer.

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