John Duffy's Profile Photo

John Duffy

Licensed Real Estate Salesperson
john.duffy@compass.com
M: 516-361-1794

Connect with John to share homes, schedule tours, view exclusive listings, and explore bridge loans. You can remove the connection at any time.

Social Media

Specialties

Listing Agent, Relocation, Foreclosure, Commercial R.E.
About John
John is a trusted advisor to his clients, always working to maximize their return. He brings over 25 years of experience in finance to the Hamptons market. His background on Wall street and working in the tech industry has prepared him to excel in the real estate business.


John started selling real estate in the highly competitive Silicon Valley area in 2013 and hasn’t looked back since.


We work tirelessly for our clients to secure the best deals. Whether it’s commercial real estate or residential we look forward to making things happen for you.


Caryn and I have been coming to the Hamptons for over 30 years, and we currently reside full time in East Hampton. Let us help you find your place in the world.

John Duffy’s Listings

a front view of a house with yard and parking
a front view of a house with a yard
a view of a house with yard and deck
a picture of a book and a bed
a picture of a wall with a white wall and a picture
$3,595,000 | 3 Cosdrew Lane, East Hampton, NY 11937
1/6
Listed By Compass

$3,595,000

7
Bedrooms
4,500
Square Feet
0.58
Acres

3 Cosdrew Lane, East Hampton, NY 11937

$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
$2,695,000 | 8 3rd Street, East Hampton, NY 11937
1/46
Listed By CompassActive Under Contract

$2,695,000

5
Bedrooms
2,800
Square Feet
0.32
Acres

8 3rd Street, East Hampton, NY 11937

John Duffy’s Transactions

Past Sales
$10,500,000 | 125 Snake Hollow Rd | Bridgehampton

$10,500,000

125 Snake Hollow Rd

Bridgehampton

$5,250,000 | 1 Mariner Dr | Southampton

$5,250,000

1 Mariner Dr

Southampton

a front view of a house with a yard

$3,595,000

6
Bedrooms
5,297
Square Feet
0.84
Acres

18 Barnes Avenue, East Hampton, NY 11937

a front view of a house with a yard

$3,595,000

6
Bedrooms
5,297
Square Feet
0.84
Acres

18 Barnes Avenue, East Hampton, NY 11937

a view of outdoor space yard and swimming pool

$3,350,000

4
Bedrooms
4,219
Square Feet
3.5
Acres

144 Hands Creek Road, East Hampton, NY 11937

a front view of a house with a garden and trees

$3,250,000

6
Bedrooms
4,100
Square Feet
0.37
Acres

125 Mulford Avenue, East Hampton, NY 11937

a view of an house with backyard and garden

$3,250,000

7
Bedrooms
4,400
Square Feet
0.48
Acres

62 Whooping Hollow Road, East Hampton, NY 11937

$2,950,000 | 125 Mulford Avenue, East Hampton, NY 11937

$2,950,000

6
Bedrooms
4,100
Square Feet
0.37
Acres

125 Mulford Avenue, East Hampton, NY 11937

$2,450,000

2.39
Acres

7 Quarty Circle, East Hampton, NY 11937

$2,300,000 | 6 Leecon Ct | Southampton

$2,300,000

6 Leecon Ct

Southampton

$2,100,000 | 30 Quarty Ct | East Hampton

$2,100,000

30 Quarty Ct

East Hampton

a view of back yard

$900,000

4
Bedrooms
1,040
Square Feet
0.21
Acres

17 Windward Way, Southampton, NY 11968

Listing Courtesy of Douglas Elliman Real Estate

$850,000

0.47
Acres

52 Cosdrew Lane, East Hampton, NY 11937

$820,000 | 419 Montauk Highway, Wainscott, NY 11975

$820,000

3
Bedrooms
1
Acres

419 Montauk Highway, Wainscott, NY 11975

Listing Courtesy of Coldwell Banker M&D Good Life

$650,000 | 49 Cosdrew Ln | East Hampton

$650,000

49 Cosdrew Ln

East Hampton

$625,000 | 125 Mulford Ave | East Hampton

$625,000

125 Mulford Ave

East Hampton