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620 Colonial Road
Guilford CT 06437 US

$7,500,000

Active Listing ID 24165467
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4 bed
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5.00 Bath (4 Full , 1 Half)
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Lot: 0.79 Acres
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Other

$7,500,000

Active Listing ID 24165467
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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

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Property Features

  • Facts
  • Lot Size: 0.79 Acres
  • Property Type: Residential
  • Property Sub-type: Other
  • Features
  • Full Bathrooms: 4
  • 1/2 Bathrooms: 1
  • Cooling System: Central Air
  • Exterior Finish: Balcony, Deck, Hot Tub, French Doors, Patio
  • Additional Features
  • Basement
  • Fireplace
  • Patio
  • Waterfront

School Information

  • School
  • Per Board of Ed(Elementary)
  • Guilford(HighSchool)

Property

  • propertytype: Residential
  • propertysubtype: Other
  • listprice: 7500000
  • unparsedaddress: 620 Colonial Road
  • postalcity: Guilford
  • stateorprovince: CT
  • country: US
  • postalcode: 06437
  • bathroomsfull: 4
  • bathroomshalf: 1
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 0.79
  • lotsizeunits: Acres
  • lotsizearea: 0.79
  • livingarea: 5475
  • livingareaunits: Square Feet
  • latitude: 41.246697
  • longitude: -72.706609
  • listagentfullname: Susan Santoro
  • listagentemail: susansantoro11@gmail.com
  • listagentkey: 3yd-CTMLS-SANTORSU
  • listagentmlsid: SANTORSU
  • listagentpreferredphone: 2036055297
  • listagentofficephone: 2034532533
  • listofficekey: 3yd-CTMLS-PSOTH52
  • listofficemlsid: PSOTH52
  • disclaimer: Copyright © 2026 SmartMLS, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
  • sourcesystemid: CTMLS
  • yearbuilt: 2003
  • listingcontractdate: 2026-06-11
  • listagenturl: http://www.williampitt.com
  • countyorparish: New Haven
  • elementaryschool: Per Board of Ed
  • highschool: Guilford
  • appliances: Gas Cooktop, Oven/Range, Microwave, Refrigerator, Icemaker, Dishwasher, Washer, Dryer, Wine Chiller
  • cooling: Central Air
  • fireplaceyn: True
  • transactiontype: ForSale
  • storiestotal: 0
  • parkingtotal: 0
  • waterfrontyn: True
  • franchiseaffiliation: Sotheby's International Realty
  • interiorfeatures: Open Floor Plan, Sauna
  • exteriorfeatures: Balcony, Deck, Hot Tub, French Doors, Patio
  • architecturalstyle: Colonial
  • rooms: Laundry Room, Bathroom 3, Bedroom 4, Bedroom 1, Bedroom 3, Bathroom 4, Bathroom 5, Bathroom 2, Basement, Bathroom 1, Bedroom 2
  • patioandporchfeatures: Patio
  • basement: Partial
  • dock: False
  • poolprivateyn: False
  • spayn: False
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: True
  • internetconsumercommentyn: True
  • location: -72.70661, 41.246696
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Listing Changed: 6/18/2026 4:12:22 AM GMT
Source Updated Date: 6/20/2026 12:35:32 AM GMT

Courtesy of: Susan Santoro, William Pitt Sotheby's Int'l, susansantoro11@gmail.com

Copyright © 2026 SmartMLS, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.