Mount Sinai, NY Homes

• 

  

  

  /44

  $1,050,000

  Pending

  • 4 Beds
  • 3.5 Baths
  • 3,992 Sq Ft

  3 Heidi Ln, Mount Sinai, NY 11766

  Tucked away at the end of a quiet cul-de-sac in the highly sought-after Mount Sinai School District, this exceptional Colonial offers privacy, space, and versatility on just under an acre bordering protected state-owned forest land. With no future development permitted beside the property, the setting provides a rare sense of seclusion and direct access to an expansive natural backdrop that

  William Ortiz Redfin Real Estate

  3 Heidi Ln, Mount Sinai, NY 11766
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• 

  

  

  /15

  $3,585 Per Month

  • 2 Beds
  • 2 Baths
  • 1,559 Sq Ft
  • Apartment for Rent

  110 Sutton Ct Unit 110, Mount Sinai, NY 11766

  Ask About Our Amazing Specials*. Restrictions Apply*. A Luxury 55+ community situated near beautiful parks, shops and great dining. Near public Trans. Close to Beaches. Quartz Counters, SS Appls, W/D, Hand Held Shower Head, HH, Silver Ceil Fans, ELFA Closets, 2 Tone Paint-Stonington Grey, Crown Molding. *Prices and Policies subject to change without notice.

  Michelle Holmes Fairfield Properties

  110 Sutton Ct Unit 110, Mount Sinai, NY 11766
• 

  $815,000

  Sold Jul 25, 2025

  20 Hilltop Dr, Mount Sinai, NY 11766

  • 5 Beds
  • 2.5 Baths
  • 3,000 Sq Ft
  • Built 1974

  Last Sold Summary

  • 2% Above List Price
  • $272/SF
  • 45 Days On Market

  Current Estimated Value $861,025

  Last Listing Agent Pamela Hanlon Signature Premier Properties

  20 Hilltop Dr, Mount Sinai, NY 11766
• 

  Est $758,659

  Not Listed For Sale

  8 Constantine Way Unit 1, Mount Sinai, NY 11766

  • 3 Beds
  • 3.5 Baths
  • 2,200 Sq Ft
  • Built 2002

  8 Constantine Way Unit 1, Mount Sinai, NY 11766

  Last Sold Summary

  • 28 Days On Market
• 

  

  

  /43

  $824,999

  $25K PRICE DROP

  • 4 Beds
  • 2.5 Baths
  • 2,300 Sq Ft

  164 Chestnut St, Mount Sinai, NY 11766

  Welcome To This Exceptional Custom-Built 2021 Colonial Situated On A Rare Oversized Corner Lot In The Desirable Town Of Mount Sinai. Impeccably Maintained & Barely Lived In, This Stunning Home Blends Timeless Craftsmanship, Modern Luxury, And Bright Open Living Spaces Throughout. Featuring 9-Foot Ceilings, Gleaming Hardwood Floors On Both Levels, Custom Millwork, Crown Molding, Wainscoting,

  Nicholas DiVisconte Signature Premier Properties

  164 Chestnut St, Mount Sinai, NY 11766
• 

  

  /8

  $3,585 Per Month

  • 2 Beds
  • 2 Baths
  • 1,559 Sq Ft
  • Apartment for Rent

  104 Sutton Ct Unit 104, Mount Sinai, NY 11766

  Ask About Our Amazing Specials*. Restrictions Apply*. A Luxury 55+ community situated near beautiful parks, shops and great dining. Near public Trans. Close to Beaches. Quartz Counters, SS Appls, W/D, Hand Held Shower Head, HH, Silver Ceil Fans, ELFA Closets, 2 Tone Paint-Stonington Grey, Crown Molding. *Prices and Policies subject to change without notice.

  Michelle Holmes Fairfield Properties

  104 Sutton Ct Unit 104, Mount Sinai, NY 11766
• 

  $765,000

  Sold Jan 29, 2026

  37 Constantine Way, Mount Sinai, NY 11766

  • 4 Beds
  • 3.5 Baths
  • 2,367 Sq Ft
  • Built 2002

  Last Sold Summary

  • 4% Below List Price
  • $323/SF
  • 96 Days On Market

  Current Estimated Value $783,091

  Last Listing Agent Kristin Bodkin Howard Hanna Coach

  37 Constantine Way, Mount Sinai, NY 11766
• 

  Est $1,004,467

  Not Listed For Sale

  144 Hamlet Dr Unit 144, Mount Sinai, NY 11766

  • 4 Beds
  • 2.5 Baths
  • 2,978 Sq Ft
  • Built 2005

  144 Hamlet Dr Unit 144, Mount Sinai, NY 11766

  Last Sold Summary

  • 106 Days On Market
• 

  

  /29

  $799,000

  Pending

  • 4 Beds
  • 2 Baths
  • 2,140 Sq Ft

  51 Oleeta Rd, Mount Sinai, NY 11766

  Move right into this meticulously maintained, sun-drenched Center Hall Colonial. The home Features brand-new hardwood flooring throughout and elegant porcelain tile finishes. The spacious eat-in kitchen boasts stainless steel appliances, an induction cooktop, and beautiful granite countertop, offering both style and functionality for everyday living and entertaining.The four generously sized

  Rose Sidoti Coldwell Banker American Homes

  51 Oleeta Rd, Mount Sinai, NY 11766
• 

  

  /13

  $3,295 Per Month

  • 2 Beds
  • 2 Baths
  • 1,196 Sq Ft
  • Apartment for Rent

  155 Sutton Ct Unit 155, Mount Sinai, NY 11766

  Ask About Our Amazing Specials*. Restrictions Apply*. A Luxury 55+ community situated near beautiful parks, shops and great dining. Near public Trans. Close to Beaches. Quartz Counters, SS Appls, W/D, Hand Held Shower Head, HH, Silver Ceil Fans, ELFA Closets, 2 Tone Paint-Stonington Grey, Crown Molding. *Prices and Policies subject to change without notice.

  Michelle Holmes Fairfield Properties

  155 Sutton Ct Unit 155, Mount Sinai, NY 11766
• 

  $765,000

  Sold Aug 21, 2025

  145 Chestnut St, Mount Sinai, NY 11766

  • 3 Beds
  • 3.5 Baths
  • 2,154 Sq Ft
  • Built 1986

  Last Sold Summary

  • 2% Above List Price
  • $355/SF
  • 14 Days On Market

  Current Estimated Value $780,381

  Last Listing Agent David Friedman Howard Hanna Coach

  145 Chestnut St, Mount Sinai, NY 11766
• 

  Est $631,199

  Not Listed For Sale

  262 Pond Cir Unit 262, Mount Sinai, NY 11766

  • 2 Beds
  • 2 Baths
  • 1,820 Sq Ft
  • Built 2008

  262 Pond Cir Unit 262, Mount Sinai, NY 11766

  Last Sold Summary

  • 32 Days On Market
• 

  

  /43

  $599,990

  $20K PRICE DROP

  • 2 Beds
  • 2 Baths
  • 1,254 Sq Ft

  17 Constantine Way, Mount Sinai, NY 11766

  Welcome to The Ranches at Mt. Sinai and 17 Constantine Way. Pride in ownership shines through in this painstakingly maintained pristine lower end unit Dover model. Light, bright and airy. The unit affords you a large living room, accented with a tray ceiling and gas fireplace which seamlessly flows into your dining room. Enjoy your updated kitchen with white cabinetry, granite counters and

  John Sanders Shea & Sanders Real Estate Inc

  17 Constantine Way, Mount Sinai, NY 11766
• 

  

  /15

  $2,775 Per Month

  • 1 Bed
  • 1 Bath
  • 900 Sq Ft
  • House for Rent

  Unlisted Address

  Charming cottage on a peaceful lot, perfect for unwinding from the hustle of daily life. The cozy layout features spacious, sun-filled rooms and a bedroom with ample closet space. Freshly painted with new carpet throughout. Washer and dryer hook-up available in the basement. Expansive private yard to enjoy warmer weather. No pets or smoking allowed.

  Alexia Poulos Douglas Elliman Real Estate

  Unlisted Address
• 

  $655,000

  Sold Oct 29, 2025

  43 Westcliff Dr, Mount Sinai, NY 11766

  • 4 Beds
  • 1.5 Baths
  • 2,070 Sq Ft
  • Built 1970

  Last Sold Summary

  • 2% Below List Price
  • $316/SF
  • 49 Days On Market

  Current Estimated Value $665,155

  Last Listing Agent James Acierno Real Broker NY LLC

  43 Westcliff Dr, Mount Sinai, NY 11766
• 

  Est $1,195,854

  Not Listed For Sale

  19 Moreland Ct, Mount Sinai, NY 11766

  • 4 Beds
  • 3.5 Baths
  • 3,550 Sq Ft
  • Built 2008

  19 Moreland Ct, Mount Sinai, NY 11766

  Last Sold Summary

  • 31 Days On Market
• 

  

  /42

  $750,000

  • 4 Beds
  • 3 Baths
  • 2,348 Sq Ft

  168 Hickory St, Port Jefferson Station, NY 11776

  Located within the Mount Sinai School District, this 4-bedroom, 3-bath Colonial showcases beautifully remodeled bathrooms completed in 2026, refinished hardwood floors, new laminate flooring on the second level, and stainless steel appliances. The stunning primary bath serves as a private retreat, featuring a separate shower and freestanding soaking tub. The beautifully remodeled main bath

  Karen Roth RE/MAX Integrity Leaders

  168 Hickory St, Port Jefferson Station, NY 11776
• 

  

  /15

  $3,585 Per Month

  • 2 Beds
  • 2 Baths
  • 1,559 Sq Ft
  • Apartment for Rent

  86 Sutton Ct Unit 86, Mount Sinai, NY 11766

  Ask About Our Amazing Specials*. Restrictions Apply*. A Luxury 55+ community situated near beautiful parks, shops and great dining. Near public Trans. Close to Beaches. Quartz Counters, SS Appls, W/D, Hand Held Shower Head, HH, Silver Ceil Fans, ELFA Closets, 2 Tone Paint-Stonington Grey, Crown Molding. *Prices and Policies subject to change without notice.

  Michelle Holmes Fairfield Properties

  86 Sutton Ct Unit 86, Mount Sinai, NY 11766
• 

  $650,000

  Sold Aug 15, 2025

  21 Guardian Dr, Mount Sinai, NY 11766

  • 4 Beds
  • 3 Baths
  • 1,950 Sq Ft
  • Built 1984

  Last Sold Summary

  • $333/SF
  • 33 Days On Market

  Current Estimated Value $655,028

  Last Listing Agent Michele Sanchez Signature Premier Properties

  21 Guardian Dr, Mount Sinai, NY 11766
• 

  Est $1,146,139

  Not Listed For Sale

  13 Moreland Ct, Mount Sinai, NY 11766

  • 4 Beds
  • 3.5 Baths
  • 3,550 Sq Ft
  • Built 2008

  13 Moreland Ct, Mount Sinai, NY 11766

  Last Sold Summary

  • 14 Days On Market
• 

  

  /6

  $649,999

  • Land
  • 1.1 Acres
  • $590,908 per Acre

  225 Shore Rd, Mount Sinai, NY 11766

  The UnHamptons at Its Best! Discover a rare opportunity to own one of the last waterfront properties in Mt. Sinai, a picturesque North Shore hamlet offering coastal living—without Hamptons traffic! Spanning 1.1 acres, this partially cleared lot is ready for you to bring your vision to life. Whether you dream of a modern energy-efficient retreat, a charming coastal cottage, or a grand estate, the

  Linda Stowell Howard Hanna Coach

  225 Shore Rd, Mount Sinai, NY 11766
• 

  

  /16

  $3,585 Per Month

  • 2 Beds
  • 2 Baths
  • 1,559 Sq Ft
  • Apartment for Rent

  166 Sutton Ct Unit 166, Mount Sinai, NY 11766

  Ask About Our Amazing Specials*. Restrictions Apply*. A Luxury 55+ community situated near beautiful parks, shops and great dining. Near public Trans. Close to Beaches. Quartz Counters, SS Appls, W/D, Hand Held Shower Head, HH, Silver Ceil Fans, ELFA Closets, 2 Tone Paint-Stonington Grey, Crown Molding. *Prices and Policies subject to change without notice.

  Michelle Holmes Fairfield Properties

  166 Sutton Ct Unit 166, Mount Sinai, NY 11766
• 

  $863,000

  Sold Feb 26, 2026

  23 Island Trail, Mount Sinai, NY 11766

  • 5 Beds
  • 2.5 Baths
  • 5,000 Sq Ft
  • Built 2006

  Last Sold Summary

  • 9% Below List Price
  • $173/SF
  • 135 Days On Market

  Current Estimated Value $1,007,007

  Last Listing Agent Frank Mann BERKSHIRE HATHAWAY

  23 Island Trail, Mount Sinai, NY 11766
• 

  Est $818,351

  Not Listed For Sale

  2 William Ln, Mount Sinai, NY 11766

  • 3 Beds
  • 3.5 Baths
  • 7,600 Sq Ft
  • Built 2001

  2 William Ln, Mount Sinai, NY 11766

  Last Sold Summary

  • 21 Days On Market
• 

  

  /40

  $899,900

  $150K PRICE DROP

  • 3 Beds
  • 3 Baths
  • 3,442 Sq Ft

  177 Hamlet Dr, Mount Sinai, NY 11766

  Stunning Condominium Townhouse with exceptional updating and beautiful quality improvements, having a stunning layout, amazing attention to detail, beautiful 2nd floor deck, gorgeous pavers for outdoor patio, and a full basement with high ceilings and exceptional potential. This gated community provides luxurious living with 24 hour security, lush landscaping, community pool, fitness center, club

  Todd Yovino Island Advantage Realty LLC

  177 Hamlet Dr, Mount Sinai, NY 11766
• 

  

  /14

  $3,295 Per Month

  • 2 Beds
  • 2 Baths
  • 1,196 Sq Ft
  • Apartment for Rent

  149 Sutton Ct Unit 149, Mount Sinai, NY 11766

  Ask About Our Amazing Specials*. Restrictions Apply*. A Luxury 55+ community situated near beautiful parks, shops and great dining. Near public Trans. Close to Beaches. Quartz Counters, SS Appls, W/D, Hand Held Shower Head, HH, Silver Ceil Fans, ELFA Closets, 2 Tone Paint-Stonington Grey, Crown Molding. *Prices and Policies subject to change without notice.

  Michelle Holmes Fairfield Properties

  149 Sutton Ct Unit 149, Mount Sinai, NY 11766
• 

  $785,000

  Sold Feb 25, 2026

  25 Louden Loop, Mount Sinai, NY 11766

  • 2 Beds
  • 2.5 Baths
  • 2,229 Sq Ft
  • Built 2006

  Last Sold Summary

  • 5% Below List Price
  • $352/SF
  • 102 Days On Market

  Current Estimated Value $793,846

  Last Listing Agent Nancy DeMartinis Douglas Elliman Real Estate

  25 Louden Loop, Mount Sinai, NY 11766
• 

  Est $885,727

  Not Listed For Sale

  2 Wendy Ct, Mount Sinai, NY 11766

  • 4 Beds
  • 2.5 Baths
  • 3,000 Sq Ft
  • Built 2007

  2 Wendy Ct, Mount Sinai, NY 11766

  Last Sold Summary

  • 13 Days On Market
• 

  

  /13

  $725,000

  $75K PRICE INCREASE Pending

  • 3 Beds
  • 2 Baths
  • 1,551 Sq Ft

  4 Summer St, Mount Sinai, NY 11766

  Welcome to this beautifully maintained home in desirable Mount Sinai, perfectly timed for summer enjoyment! This 3-bedroom, 2-bath residence offers a bright and inviting layout featuring vaulted ceilings that enhance the open feel of the main living space. The updated kitchen is equipped with stainless steel appliances, granite countertops, and ample cabinetry ideal for both everyday living and

  Traci Conforti Realty Connect USA L I Inc

  4 Summer St, Mount Sinai, NY 11766
• 

  

  /11

  $1,800 Per Month

  • 1 Bed
  • 1 Bath
  • 891 Sq Ft
  • Apartment for Rent

  1 Leesburg Ct, Mount Sinai, NY 11766

  Legally Permitted with Town of Brookhaven. Freshly painted throughout. Professionally cleaned. One Bedroom with double closets. Liv Room w/vaulted ceiling carrying thru to the dining area. Kitchen has plenty of cabinets & counter space. Full size washer/dryer space with shelving & new doors. Full bathroom, recently replaced vanity, toilet & lighting fixtures, vaulted ceiling with a skylight

  Laureen Lopacki Century 21 KR Realty

  1 Leesburg Ct, Mount Sinai, NY 11766
• 

  $830,000

  Sold Sep 18, 2025

  44 Louden Loop, Mount Sinai, NY 11766

  • 2 Beds
  • 2 Baths
  • 2,135 Sq Ft
  • Built 2006

  Last Sold Summary

  • 3% Above List Price
  • $389/SF
  • 14 Days On Market

  Current Estimated Value $830,053

  Last Listing Agent Julie Lapasota Howard Hanna Coach

  44 Louden Loop, Mount Sinai, NY 11766
• 

  Est $770,329

  Not Listed For Sale

  57 Griffin Dr, Mount Sinai, NY 11766

  • 3 Beds
  • 3 Baths
  • 1,964 Sq Ft
  • Built 1985

  57 Griffin Dr, Mount Sinai, NY 11766

  Last Sold Summary

  • 15 Days On Market
• 

  

  /46

  $1,150,000

  Pending

  • 5 Beds
  • 4.5 Baths
  • 4,688 Sq Ft

  32 Avolet Ct, Mount Sinai, NY 11766

  Briarwood Model home in the Gated "Villages" Development! This homes location offers privacy unlike many others within the neighborhood. Upon entering your 20 year old home with 8 Foot Door you'll step into a 2 story entry hall and grand double access staircase. On either side of the entry you'll find your Formal Living Room with french doors and Formal Dining Room. Your Dining Room has a pass

  Dennis Consalvo Aliano Real Estate

  32 Avolet Ct, Mount Sinai, NY 11766
• 

  $1,400,000

  Sold Mar 24, 2026

  756 Mount Sinai-Coram Rd, Mount Sinai, NY 11766

  • 5 Beds
  • 3.5 Baths
  • 3,583 Sq Ft
  • Built 2025

  Last Sold Summary

  • 11% Below List Price
  • $391/SF
  • 11 Days On Market

  Last Listing Agent Cody Buchalter Michael Alexander Properties

  756 Mount Sinai-Coram Rd, Mount Sinai, NY 11766
• 

  Est $766,869

  Not Listed For Sale

  6 Cassie Ct, Mount Sinai, NY 11766

  • 3 Beds
  • 2 Baths
  • 2,063 Sq Ft
  • Built 1985

  6 Cassie Ct, Mount Sinai, NY 11766

  Last Sold Summary

  • 9 Days On Market
• 

  

  /27

  $575,000

  $20K PRICE DROP

  • 2 Beds
  • 2 Baths
  • 1,563 Sq Ft

  26 Rose Ln, Mount Sinai, NY 11766

  This Is A Fannie Mae Homepath Property! Located in the beautifully landscaped 55+ community of Plymouth Estates, this upper unit condo is the definition of easy living! The Charming front porch to welcomes you and your guests home, the perfect place to sit in the shade on these beautiful days. The spacious Living Room features gas fireplace for those cozy nights at home. Galley style eat in

  David Guzzetta American Way Real Estate Inc

  26 Rose Ln, Mount Sinai, NY 11766
• 

  $965,000

  Sold May 15, 2026

  9 Avolet Ct, Mount Sinai, NY 11766

  • 4 Beds
  • 3.5 Baths
  • 3,220 Sq Ft
  • Built 2005

  Last Sold Summary

  • 3% Below List Price
  • $300/SF
  • 271 Days On Market

  Current Estimated Value $995,504

  Last Listing Agent Dennis Consalvo Aliano Real Estate

  9 Avolet Ct, Mount Sinai, NY 11766
• 

  Est $673,053

  Not Listed For Sale

  1 Cassie Ct, Mount Sinai, NY 11766

  • 3 Beds
  • 2 Baths
  • 1,344 Sq Ft
  • Built 1987

  1 Cassie Ct, Mount Sinai, NY 11766

  Last Sold Summary

  • 42 Days On Market
• 

  /2

  $1,499,000

  Coming Soon

  • 5 Beds
  • 3 Baths
  • 3,967 Sq Ft

  141 Harbor Beach Rd, Mount Sinai, NY 11766

  Welcome to 141 Harbor Beach Road in the desirable Harbor Beach community of Mount Sinai. This spacious 5-bedroom, 3-bath Colonial offers a rare opportunity to own a generously sized home in one of the area's most sought-after beachside neighborhoods. Featuring two kitchens, multiple living areas, a private office, a sun-filled sunroom, and a cozy fireplace, this home provides exceptional

  Ralph Parillo Frontline Realty Group LLC

  141 Harbor Beach Rd, Mount Sinai, NY 11766
• 

  $750,000

  Sold Dec 16, 2025

  6 Azurean Ct, Mount Sinai, NY 11766

  • 4 Beds
  • 3.5 Baths
  • 3,000 Sq Ft
  • Built 1976

  Last Sold Summary

  • 5% Below List Price
  • $250/SF
  • 35 Days On Market

  Current Estimated Value $758,669

  Last Listing Agent Kenneth Hirsch Compass Greater NY LLC

  6 Azurean Ct, Mount Sinai, NY 11766

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