Copyright © 2025 Golden Gate Sotheby's International Realty. All rights reserved. Sotheby's International Realty® and the Sotheby’s International Realty logo are service marks licensed to Sotheby’s International Realty Affiliates LLC and used with permission. Golden Gate Sotheby's International Realty fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Each franchise is independently owned and operated. Any services or products provided by independently owned and operated franchisees are not provided by, affiliated with or related to Sotheby’s International Realty Affiliates LLC nor any of its affiliated companies.

The information set forth on this site is based upon information which we consider reliable, but because it has been supplied by third parties, we cannot represent that it is accurate or complete, and it should not be relied upon as such. The offerings are subject to errors, omissions, changes including price, or withdrawal without notice. All dimensions are approximate and have not been verified by the selling party and cannot be verified by Golden Gate Sotheby's International Realty. It is recommended that you hire a professional in the business of determining dimensions, such as an appraiser, architect or civil engineer, to determine such information.

USD
$ 5,998,000
Single Family Home
5
BEDROOMS
4
FULL BATHS
1
PARTIAL BATHS
3986
SQUARE FEET
0.14
ACRES
OPEN HOUSE
Sunday, Oct 12, 2025
1:00 PM - 4:00 PM

2105 Mar East Street, Tiburon, CA

Perched along Tiburon’s most coveted waterfront street, 2105 Mar East is an iconic Craftsman style home offering stunning water views of the bay, Angel Island, and the San Francisco skyline - all from the privacy of expansive outdoor living spaces. Featuring 5 bedrooms, 5 bathrooms, and nearly 4,000 square feet of living space. Just a short walk to downtown Tiburon’s upscale boutiques, gourmet restaurants, and the ferry terminal, providing direct access to San Francisco and beyond.

This home masterfully blends the charm of Craftsman design with high-end contemporary finishes and modern amenities. Featuring soaring ceilings, walls of glass and open-concept layout, it offers a light-filled sanctuary where indoor and outdoor living coexist in harmony. Outside, expansive decks capture spectacular sunrises and sunsets over the water.

Additional highlights include a lower-level suite with a private entrance. This flexible living option is designed for a full kitchen and washer/dryer.

2105 Mar East offers a rare blend of coastal serenity, architectural elegance, and proximity to world-class amenities, making it one of Tiburon’s most desirable properties.

Copyright © 2025 Golden Gate Sotheby's International Realty. All rights reserved. Sotheby's International Realty® and the Sotheby’s International Realty logo are service marks licensed to Sotheby’s International Realty Affiliates LLC and used with permission. Golden Gate Sotheby's International Realty fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Each franchise is independently owned and operated. Any services or products provided by independently owned and operated franchisees are not provided by, affiliated with or related to Sotheby’s International Realty Affiliates LLC nor any of its affiliated companies.

The information set forth on this site is based upon information which we consider reliable, but because it has been supplied by third parties, we cannot represent that it is accurate or complete, and it should not be relied upon as such. The offerings are subject to errors, omissions, changes including price, or withdrawal without notice. All dimensions are approximate and have not been verified by the selling party and cannot be verified by Golden Gate Sotheby's International Realty. It is recommended that you hire a professional in the business of determining dimensions, such as an appraiser, architect or civil engineer, to determine such information.

Copyright © 2025 Golden Gate Sotheby's International Realty. All rights reserved. Sotheby's International Realty® and the Sotheby’s International Realty logo are service marks licensed to Sotheby’s International Realty Affiliates LLC and used with permission. Golden Gate Sotheby's International Realty fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Each franchise is independently owned and operated. Any services or products provided by independently owned and operated franchisees are not provided by, affiliated with or related to Sotheby’s International Realty Affiliates LLC nor any of its affiliated companies.

The information set forth on this site is based upon information which we consider reliable, but because it has been supplied by third parties, we cannot represent that it is accurate or complete, and it should not be relied upon as such. The offerings are subject to errors, omissions, changes including price, or withdrawal without notice. All dimensions are approximate and have not been verified by the selling party and cannot be verified by Golden Gate Sotheby's International Realty. It is recommended that you hire a professional in the business of determining dimensions, such as an appraiser, architect or civil engineer, to determine such information.

Copyright © 2025 Golden Gate Sotheby's International Realty. All rights reserved. Sotheby's International Realty® and the Sotheby’s International Realty logo are service marks licensed to Sotheby’s International Realty Affiliates LLC and used with permission. Golden Gate Sotheby's International Realty fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Each franchise is independently owned and operated. Any services or products provided by independently owned and operated franchisees are not provided by, affiliated with or related to Sotheby’s International Realty Affiliates LLC nor any of its affiliated companies.

The information set forth on this site is based upon information which we consider reliable, but because it has been supplied by third parties, we cannot represent that it is accurate or complete, and it should not be relied upon as such. The offerings are subject to errors, omissions, changes including price, or withdrawal without notice. All dimensions are approximate and have not been verified by the selling party and cannot be verified by Golden Gate Sotheby's International Realty. It is recommended that you hire a professional in the business of determining dimensions, such as an appraiser, architect or civil engineer, to determine such information.

agent-icon
Theresa Harrelson
Lic.# 02155964
With an entrepreneurial spirit and authentic client-first approach, Theresa Harrelson is prepared to help you fulfill your real estate dreams. Theresa had a successful career in the fashion industry in New York City. After years in the corporate world of Seventh Ave, she moved to California and founded her own fashion company.
For 25 years Theresa has represented the industry’s top fashion designers. Responsibilities included sales and marketing in partnership with the most prestigious stores around the globe. The experience Theresa gained in the corporate world of luxury goods was priceless. She developed invaluable leadership skills in the arts of negotiation, marketing, and sales, which directly benefit her real estate clients.
Theresa goes the distance with exceptional ethics, an ability to solve problems, and values privacy for her clientele. Real estate has been a dream of hers since childhood! As a top producer in the fashion industry, Theresa comfortably made the transition to Bay Area real estate. Golden Gate Sotheby’s International Realty is an exceptional global marketing and luxury Real Estate brand. They are unrivaled by any other real estate brokerage firm. Golden Gate Sotheby’s International Realty provides access to a superior network of over 22,000 agents in 950 cities around the world.
Theresa has a deep understanding and knowledge of the Bay Area. She has lived and worked in Tiburon for the last 27 years and has the benefit of an incredible network among her clients, colleagues, and family.
Theresa is passionate about food and wine, definitely a foodie. The passion also extends to cooking, entertaining, anything Italian, wine collecting, travel, design and architecture. Theresa has great style and innovation in home décor and her first home was featured in two national home magazines.
Theresa appreciates the beauty Marin County has to offer. She frequently visits the coast for oysters enjoying the beauty of Marin on the drive. She enjoys long walks on the beach or hikes in the forest often with her dog Gracie, a King Charles Cavalier. Theresa’s Italian heritage is very close to her heart. She enjoys frequent trips to Italy for both business and pleasure.
Associations and Affiliations:• Western Michigan University BA• Fashion Institute of Technology New York AAS• Who’s Who Registry of Executives Professionals and Entrepreneurs National Association of Female Executives• National Association of Realtors• Marin Association of Realtors• St Hilary Church member• Corinthian Yacht Club member• Mendocino Coast Hospital Winesong, Major Fundraising Effort Securing Significant Donations• St Monica’s Church Volunteer Outreach Program Feeding the Homeless• Taylor Family Foundation

Copyright © 2025 Golden Gate Sotheby's International Realty. All rights reserved. Sotheby's International Realty® and the Sotheby’s International Realty logo are service marks licensed to Sotheby’s International Realty Affiliates LLC and used with permission. Golden Gate Sotheby's International Realty fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Each franchise is independently owned and operated. Any services or products provided by independently owned and operated franchisees are not provided by, affiliated with or related to Sotheby’s International Realty Affiliates LLC nor any of its affiliated companies.

The information set forth on this site is based upon information which we consider reliable, but because it has been supplied by third parties, we cannot represent that it is accurate or complete, and it should not be relied upon as such. The offerings are subject to errors, omissions, changes including price, or withdrawal without notice. All dimensions are approximate and have not been verified by the selling party and cannot be verified by Golden Gate Sotheby's International Realty. It is recommended that you hire a professional in the business of determining dimensions, such as an appraiser, architect or civil engineer, to determine such information.

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Copyright © 2025 Golden Gate Sotheby's International Realty. All rights reserved. Sotheby's International Realty® and the Sotheby’s International Realty logo are service marks licensed to Sotheby’s International Realty Affiliates LLC and used with permission. Golden Gate Sotheby's International Realty fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Each franchise is independently owned and operated. Any services or products provided by independently owned and operated franchisees are not provided by, affiliated with or related to Sotheby’s International Realty Affiliates LLC nor any of its affiliated companies.

The information set forth on this site is based upon information which we consider reliable, but because it has been supplied by third parties, we cannot represent that it is accurate or complete, and it should not be relied upon as such. The offerings are subject to errors, omissions, changes including price, or withdrawal without notice. All dimensions are approximate and have not been verified by the selling party and cannot be verified by Golden Gate Sotheby's International Realty. It is recommended that you hire a professional in the business of determining dimensions, such as an appraiser, architect or civil engineer, to determine such information.