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620 Colonial Road, 
Guilford, CT 06437

$7,500,000


4

Beds


5

Baths


5,475

Sq Ft


Single Family

Active

Listed by

Susan Santoro, (203) 605-5297

William Pitt Sotheby'S Int'L, (203) 453-2533

(203) 453-2533

Last updated:

August 3, 2026, 11:29 AM

MLS#

24165467

Source:

CT

About This Home

620 Colonial Road

This is not simply waterfront living. This is a waterfront lifestyle unlike any other. Tucked within the coveted enclave of Sachem's Head, this extraordinary estate commands direct Long Island Sound frontage with unobstructed harbor views and breathtaking sunsets. Masterfully crafted in 2003 and transformed by the current owners with uncompromising quality, the 6,000 SF+ residence is defined by Dramatic walls of glass framing endless water views from virtually every room offering seamless indoor-outdoor living. You will be immediately wowed by the jaw dropping great room with an incredible fireplace & soaring ceiling. At the heart of the home lies a stunning Poliform kitchen, the pinnacle of modern luxury, thoughtfully appointed with premium appliances and designed to delight the most discerning chef. Oversized dining area that effortlessly steps right onto the expansive Ipe deck for additional outdoor waterfront entertaining. The all glass-enclosed family room overlooks the sound as well as the heated saltwater pool. Upstairs, a dramatic suspended gallery leads to an octagonal office and private outdoor captain's walk with endless vistas. The primary suite is a sanctuary with panoramic water views, balcony, fireplace, custom closets, and a spa-inspired bath with oversized shower and infrared sauna. A separate wing offers three en-suite bedrooms with stunning new baths and custom bunks for additional guests. Exceptional boating amenities include a permanent pier of concrete

Home Facts

Single Family

5 Baths

4 Bedrooms

Built in 2003

Price Summary

7,500,000

$1,369 per Sq. Ft.

MLS #:

24165467

Last Updated:

August 3, 2026, 11:29 AM

Added:

1 month(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

5

Full Bathrooms:

4

Interior

Living Area:

5,475 Sq. Ft.


Structure

Structure

Architectural Style:

Colonial

Building Area:

5,475 Sq. Ft.

Year Built:

2003


Lot

Lot Size (Sq. Ft):

34,412


Finances & Disclosures

Finances

Price:

$7,500,000

Price per Sq. Ft:

$1,369 per Sq. Ft.

Source:CT
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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.