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Senior Global Real Estate Advisor

Meet Harald Grant

Harald Grant, Senior Global Real Estate Advisor, Associate Broker, and Top Producer Worldwide, has been with Sotheby’s International Realty - Southampton Brokerage for over 30 years. Cited by The Wall Street Journal as the only Hamptons agent to achieve #1 status nationwide for individual sales volume, Harald is consistently ranked among the top 10 agents nationally. His motto, “Keep it simple and honest,” reflects his commitment to exceptional service and integrity.

Pinnacle Sale

The Most Valuable Property
Ever Auctioned

366 & 376 Gin Lane

A 30-Year Journey: Originally Sold in '96 for $16M and sold at Sotheby’s Auction in '24 for $90M

#1 status nationwide

Our Expertise

With over 30 years of experience, we can provide first-hand experience and knowledge of The Hamptons lifestyle and real estate market.

Among our pinnacle sales are the $150 million 14-acre oceanfront on Southampton’s Meadow Lane, a $55 million 4.5-acre oceanfront estate, two John Kean Development custom-built estates offered fully-furnished in Southampton’s Olde Towne - one for $39.5 million and the other for $34.95 million, an historic Mecox Bay waterfront estate for $25.5 million, and a stylish new modern home on Mecox Bay with 360-degree ocean and bay views for $19.995 million.

$4.5B+

In Sales

$500M

In Listings

#1

nationwide for individual sales volume

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Our Advantage

Your Trusted Partners in Hamptons Real Estate

Our ability to understand buyers’ needs as well as sellers’ motivation makes the process fun and rewarding for everyone. Harald Grant has dedicated his life to helping buyers find homes in The Hamptons. Bringing a wealth of experience and a deep understanding of the market, our team has helped sell and purchase properties at all price points, whether a $1 million condominium or a multi-million-dollar oceanfront listing.

From the classic charm of Southampton to the serene beauty of Montauk, we cover every corner of The Hamptons. Let us help you find your perfect Hamptons retreat.

Showcased

Welcome to the epitome
of Hamptons Living

543 Halsey Neck Lane

$38,000,000

An exquisite 4-acre estate nestled within Southampton's prestigious Village Estate Section

For Sale

Hamptons Exclusives

Pinnacle

Landmark Sales

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Global Reach

Sotheby’s Auction house

Sotheby’s word-renowned auction house has brought the most treasured possessions to a global market for close to three centuries. It has maintained impeccable standards while serving the world’s most discerning clientele and has established a brand with unparalleled trust and prestige.

 

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Unrivaled Marketing

Our Brand. Your benefit.

For those who demand an elevated service like none other, there’s Sotheby’s International Realty. We’re the industry’s best agents, curating with incomparable attention to style and detail. We’re here for you to help sell your home at a scale you just won’t find anywhere else.

Work With Us

Artfully uniting exceptional people with extraordinary properties in The Hamptons for over 30 years.

$400M

OFF-MARKET LISTINGS