Mount Sinai, NY Homes

• 

  $600,000

  Sold May 29, 2026

  109 Constantine Way, Mount Sinai, NY 11766

  • 2 Beds
  • 2 Baths
  • 1,627 Sq Ft
  • Built 2003

  Last Sold Summary

  • 13% Below List Price
  • $369/SF
  • 62 Days On Market

  Current Estimated Value $609,913

  Last Listing Agent Marc Kaplan Pinpoint Realty LI

  109 Constantine Way, Mount Sinai, NY 11766
• 

  Est $837,400

  Not Listed For Sale

  21 Osborne Ave, Mount Sinai, NY 11766

  • 4 Beds
  • 2.5 Baths
  • 2,552 Sq Ft
  • Built 1969

  21 Osborne Ave, Mount Sinai, NY 11766

  Last Sold Summary

  • 10 Days On Market

  Last Listing Agent Tiffany Ritcey Howard Hanna Coach
• 

  

  

  /28

  $699,000

  Pending

  • 3 Beds
  • 3 Baths
  • 2,121 Sq Ft

  28 Barnsley Crescent, Mount Sinai, NY 11766

  Welcome home to this expansive brick colonial in the highly desirable community of Mount Sinai. Offering 3 spacious bedrooms and 3 baths, including 2 bedrooms with ensuite baths. Primary bedroom has a massive walk-in closet. The kitchen features stainless steel appliances, granite countertops and a very large center island - perfect for gathering with friends. The dining room showcases a brick

  Victoria Seeger Signature Premier Properties

  28 Barnsley Crescent, Mount Sinai, NY 11766
• 

  $530,000

  Sold Jun 09, 2026

  38 Miller Place Middle Island Rd, Mount Sinai, NY 11766

  • 3 Beds
  • 1 Bath
  • 1,034 Sq Ft
  • Built 1952

  Last Sold Summary

  • 12% Below List Price
  • $513/SF
  • 10 Days On Market

  Current Estimated Value $539,407

  Last Listing Agent Vincent Chiaramonte Signature Premier Properties

  38 Miller Place Middle Island Rd, Mount Sinai, NY 11766
• 

  Est $752,409

  Not Listed For Sale

  14 Osborne Ave, Mount Sinai, NY 11766

  • 4 Beds
  • 1.5 Baths
  • 1,970 Sq Ft
  • Built 1969

  14 Osborne Ave, Mount Sinai, NY 11766

  Last Sold Summary

  • 65 Days On Market

  Last Listing Agent Thomas Annunziato Howard Hanna Coach
• 

  

  /22

  $525,000

  • 2 Beds
  • 2 Baths
  • 1,240 Sq Ft

  18 Chippendale Dr, Mount Sinai, NY 11766

  Welcome to this meticulously maintained Andover Model, ideally situated in a private location with no neighbors behind you. This beautiful 2-bedroom, 2-bath home features gleaming hardwood floors throughout and two tastefully updated bathrooms. The spacious living room and dining room combination opens through sliding doors to a sunny, south-facing patio complete with a retractable awning,

  Linda Stowell Howard Hanna Coach

  18 Chippendale Dr, Mount Sinai, NY 11766
• 

  $1,029,830

  Sold May 29, 2026

  15 Frost Valley Rd, Mount Sinai, NY 11766

  • 4 Beds
  • 2.5 Baths
  • 2,950 Sq Ft
  • Built 1987

  Last Sold Summary

  • 15% Above List Price
  • $349/SF
  • 10 Days On Market

  Current Estimated Value $972,923

  Last Listing Agent Jean Giuffre BH&G R E Realty Connect

  15 Frost Valley Rd, Mount Sinai, NY 11766
• 

  Est $728,373

  Not Listed For Sale

  5 Ivy Covered Way, Mount Sinai, NY 11766

  • 3 Beds
  • 2 Baths
  • 1,945 Sq Ft
  • Built 1977

  5 Ivy Covered Way, Mount Sinai, NY 11766

  Last Sold Summary

  • 15 Days On Market

  Last Listing Agent Jamie Weinberg BH&G R E Realty Connect
• 

  

  /39

  $915,000

  Pending

  • 4 Beds
  • 2.5 Baths
  • 2,497 Sq Ft

  16 Old Field Ln, Mount Sinai, NY 11766

  Nestled on two private acres in one of Mount Sinai's most desirable neighborhoods, 16 Old Field Lane offers the perfect blend of space and privacy on a quiet cul-de-sac. Designed for both everyday living and elegant entertaining, the home offers spacious interiors filled with natural light, creating a warm and inviting atmosphere. Located within the highly regarded Mount Sinai School District,

  Kristin Bodkin Howard Hanna Coach

  16 Old Field Ln, Mount Sinai, NY 11766
• 

  $734,000

  Sold Feb 26, 2026

  11 Gladysz Way, Port Jefferson, NY 11777

  • 4 Beds
  • 2.5 Baths
  • 2,078 Sq Ft
  • Built 2005

  Last Sold Summary

  • 8% Below List Price
  • $353/SF
  • 149 Days On Market

  Current Estimated Value $664,660

  Last Listing Agent Justin Loguercio Next Level Homes Group Ltd

  11 Gladysz Way, Port Jefferson, NY 11777
• 

  Est $668,765

  Not Listed For Sale

  86 Chelsea Dr, Mount Sinai, NY 11766

  • 3 Beds
  • 2 Baths
  • 1,526 Sq Ft
  • Built 1971

  86 Chelsea Dr, Mount Sinai, NY 11766

  Last Sold Summary

  • 16 Days On Market

  Last Listing Agent Shannon Hansen Signature Premier Properties
• 

  

  /26

  $1,150,000

  • 4 Beds
  • 4 Baths
  • 3,700 Sq Ft

  26 Woodstork Dr, Mount Sinai, NY 11766

  Welcome to this stunning 3,700 sq. ft. Windsor Colonial nestled in the heart of Mount Sinai. Located within the highly sought-after Villages of Mount Sinai gated community, this exceptional residence offers the perfect blend of elegance, comfort, and functionality. Step inside through the impressive grand foyer, where you'll immediately appreciate the home's spacious layout and refined design.

  Raquel Fernandez Century 21 Icon

  26 Woodstork Dr, Mount Sinai, NY 11766
• 

  $900,000

  Sold Sep 26, 2025

  23 Little Harbor Rd, Mount Sinai, NY 11766

  • 4 Beds
  • 2.5 Baths
  • 2,076 Sq Ft
  • Built 1972

  Last Sold Summary

  • 6% Above List Price
  • $434/SF
  • 13 Days On Market

  Current Estimated Value $976,463

  Last Listing Agent Carrie Mitchell Century 21 KR Realty

  23 Little Harbor Rd, Mount Sinai, NY 11766
• 

  Est $728,667

  Not Listed For Sale

  5 Hemlock Rd, Mount Sinai, NY 11766

  • 5 Beds
  • 3.5 Baths
  • 2,796 Sq Ft
  • Built 1976

  5 Hemlock Rd, Mount Sinai, NY 11766

  Last Sold Summary

  • 39 Days On Market

  Last Listing Agent Christopher Hogan Coldwell Banker Easton Prop
• 

  

  /15

  $435,000

  Pending

  • 2 Beds
  • 2 Baths
  • 1,025 Sq Ft

  58 Hearthside Dr, Mount Sinai, NY 11766

  Start your residential retreat here in this lovely one story, ground level condominium. All of the essentials are upgraded to make for an easy move in ready experience. New floors and Kitchen, Bathrooms, and finished proper interior doors. Plenty of storage is provided. This community will keep you engaged- with a lovely pool, clubhouse, tennis courts, golf, and maximum privacy.This is a

  Joan Cheng Howard Hanna Rand Realty

  58 Hearthside Dr, Mount Sinai, NY 11766
• 

  $589,000

  Sold Mar 25, 2026

  230 Ira Rd Unit 230, Mount Sinai, NY 11766

  • 2 Beds
  • 2 Baths
  • 1,317 Sq Ft
  • Built 2007

  Last Sold Summary

  • $447/SF
  • 79 Days On Market

  Current Estimated Value $594,463

  Last Listing Agent Judith Seyfried BH&G R E Realty Connect

  230 Ira Rd Unit 230, Mount Sinai, NY 11766
• 

  Est $551,637

  Not Listed For Sale

  80 Standish Dr, Mount Sinai, NY 11766

  • 2 Beds
  • 2 Baths
  • 1,501 Sq Ft
  • Built 1986

  80 Standish Dr, Mount Sinai, NY 11766

  Last Sold Summary

  • 28 Days On Market

  Last Listing Agent Nicholas Aliano Aliano Real Estate
• 

  

  /27

  $649,000

  Pending

  • 6 Beds
  • 3 Baths
  • 2,340 Sq Ft

  10 Rita Dr, Mount Sinai, NY 11766

  Spacious and versatile 2-story ranch offering 6 bedrooms plus a bonus room/potential 7th bedroom or den, and 3 full bathrooms, 2 newly updated! Stainless steel appliances, Maple kitchen cabinets, Maple flooring. This oversized home features a 2-car garage, 200-amp electric service, 2-zone central air, and 2-zone heating for year-round comfort and efficiency. Situated on an expansive 100x148

  Christina Carter Douglas Elliman Real Estate

  10 Rita Dr, Mount Sinai, NY 11766
• 

  $595,000

  Sold Mar 02, 2026

  25 Hawthorne St, Mount Sinai, NY 11766

  • 5 Beds
  • 2 Baths
  • 2,222 Sq Ft
  • Built 1973

  Last Sold Summary

  • 6% Below List Price
  • $268/SF
  • 34 Days On Market

  Current Estimated Value $689,045

  Last Listing Agent Ray Manzoni Manzoni Real Estate

  25 Hawthorne St, Mount Sinai, NY 11766
• 

  Est $405,183

  Not Listed For Sale

  56 Standish Dr, Mount Sinai, NY 11766

  • 1 Bed
  • 1 Bath
  • 836 Sq Ft
  • Built 1986

  56 Standish Dr, Mount Sinai, NY 11766

  Last Sold Summary

  • 13 Days On Market

  Last Listing Agent Kenneth Kroncke BH&G R E Realty Connect
• 

  /2

  $449,000

  $31K PRICE DROP

  • Land
  • 1.28 Acres
  • $350,781 per Acre

  28 Rocky Hill Rd, Mount Sinai, NY 11766

  This is vacant lane. Winter Waterview - No active permits in place. This is Historic District Land.

  Dawn Viola Coldwell Banker American Homes

  28 Rocky Hill Rd, Mount Sinai, NY 11766
• 

  $815,000

  Sold Dec 04, 2025

  33 Avolet Ct, Mount Sinai, NY 11766

  • 5 Beds
  • 4.5 Baths
  • 3,220 Sq Ft
  • Built 2006

  Last Sold Summary

  • 7% Below List Price
  • $253/SF
  • 133 Days On Market

  Current Estimated Value $884,247

  Last Listing Agent Nicole Petersen Century 21 Icon

  33 Avolet Ct, Mount Sinai, NY 11766
• 

  Est $492,153

  Not Listed For Sale

  48 Standish Dr, Mount Sinai, NY 11766

  • 2 Beds
  • 2 Baths
  • 1,240 Sq Ft
  • Built 1986

  48 Standish Dr, Mount Sinai, NY 11766

  Last Sold Summary

  • 21 Days On Market

  Last Listing Agent Lisa Godt Signature Premier Properties
• 

  

  /29

  $1,199,999

  New Construction Pending

  • 5 Beds
  • 2.5 Baths
  • 4,000 Sq Ft

  665 Mount Sinai Coram Rd, Mount Sinai, NY 11766

  Introducing one of the most extraordinary properties in the heart Mount Sinai, New York. This impeccable over 4000 square feet custom built home integrates contemporary conveniences and modern technology for high-end practical living with expert craftsmanship, a tasteful interior, and a thoughtful layout for a lifestyle of unique luxury. Newly Constructed in 2024, this home boasts 5 Bedrooms, 2

  MaryAnn Clara Douglas Elliman Real Estate

  665 Mount Sinai Coram Rd, Mount Sinai, NY 11766
• 

  $1,550,000

  Sold Jan 23, 2026

  43 Casey Ln, Mount Sinai, NY 11766

  • 4 Beds
  • 4.5 Baths
  • 4,400 Sq Ft
  • Built 2001

  Last Sold Summary

  • 13% Below List Price
  • $352/SF
  • 111 Days On Market

  Current Estimated Value $1,568,615

  Last Listing Agent Maryann Adams Signature Premier Properties

  43 Casey Ln, Mount Sinai, NY 11766
• 

  Est $542,455

  Not Listed For Sale

  20 Standish Dr, Mount Sinai, NY 11766

  • 2 Beds
  • 2 Baths
  • 1,501 Sq Ft
  • Built 1986

  20 Standish Dr, Mount Sinai, NY 11766

  Last Sold Summary

  • 40 Days On Market

  Last Listing Agent Michele Phelps Vachier BH&G R E Realty Connect
• 

  

  /49

  $1,050,000

  $35K PRICE DROP Pending

  • 2 Beds
  • 2.5 Baths
  • 3,214 Sq Ft

  51 Farm Acre Cir, Mount Sinai, NY 11766

  Welcome to this exceptional Malbec end-unit in The Vineyards at Mount Sinai, Long Island's premier 55+ luxury resort-style community. Offering 2 bedrooms, 2.5 baths, and a finished basement, this meticulously upgraded residence combines elegant design, modern technology, and low-maintenance living.The gourmet kitchen showcases an Electrolux double oven, a Bertazzoni cooktop, an XO island

  Maryann Kelly Pinpoint Realty LI

  51 Farm Acre Cir, Mount Sinai, NY 11766
• 

  $775,000

  Sold Oct 27, 2025

  280 Pipe Stave Hollow Rd, Mount Sinai, NY 11766

  • 4 Beds
  • 2.5 Baths
  • 2,487 Sq Ft
  • Built 1972

  Last Sold Summary

  • 11% Above List Price
  • $312/SF
  • 14 Days On Market

  Current Estimated Value $803,319

  Last Listing Agent Kristen Toffales Serhant LLC

  280 Pipe Stave Hollow Rd, Mount Sinai, NY 11766
• 

  Est $525,592

  Not Listed For Sale

  118 Hearthside Dr, Mount Sinai, NY 11766

  • 2 Beds
  • 2 Baths
  • 1,500 Sq Ft
  • Built 1986

  118 Hearthside Dr, Mount Sinai, NY 11766

  Last Sold Summary

  • 8 Days On Market

  Last Listing Agent Antoinette Terlizzo Coldwell Banker American Homes
• 

  

  /31

  $619,000

  $60K PRICE DROP

  • 2 Beds
  • 2 Baths
  • 1,441 Sq Ft

  85 Constantine Way, Mount Sinai, NY 11766

  Condo Living at its Best! Pristin Dover Lower End Unit! Offers a sun-filled open floor plan that seamlessly blends the formal Dining room and the Living room area, highlighted by a Tray ceiling, crown molding, and a cozy fireplace. The eat-in-kitchen is adorned with granite countertops and custom cabinetry. First floor Master bedroom with a master bath, an additional bedroom, and one full bath.

  Yaffa Stegemann Douglas Elliman Real Estate

  85 Constantine Way, Mount Sinai, NY 11766
• 

  $800,000

  Sold Oct 27, 2025

  78 Birch Hill Rd, Mount Sinai, NY 11766

  • 4 Beds
  • 2.5 Baths
  • 2,436 Sq Ft
  • Built 1980

  Last Sold Summary

  • $328/SF
  • 15 Days On Market

  Current Estimated Value $854,275

  Last Listing Agent Caroline Maino Keller Williams Points North

  78 Birch Hill Rd, Mount Sinai, NY 11766
• 

  Est $485,516

  Not Listed For Sale

  116 Hearthside Dr, Mount Sinai, NY 11766

  • 2 Beds
  • 2 Baths
  • 1,240 Sq Ft
  • Built 1986

  116 Hearthside Dr, Mount Sinai, NY 11766

  Last Sold Summary

  • 44 Days On Market

  Last Listing Agent Kevin Iglesias Signature Premier Properties
• 

  

  /29

  $1,075,000

  $45K PRICE INCREASE Pending

  • 5 Beds
  • 3.5 Baths
  • 3,302 Sq Ft

  11 Island Trail, Mount Sinai, NY 11766

  Welcome to the private community of Island Estates in Mt. Sinai. Built in 2005, this 3,302 sq ft Contemporary Colonial in Mount Sinai School District offers 5 bedrooms and 3 and a half baths. The main level features a two-story foyer, formal living and dining rooms and Family Room with hardwood flooring, the family room features a gas fireplace, and a custom kitchen with sub-zero and wolf

  Manmeet Bajaj BH&G R E Realty Connect

  11 Island Trail, Mount Sinai, NY 11766
• 

  $675,000

  Sold Jun 12, 2026

  3 Louden Loop, Mount Sinai, NY 11766

  • 2 Beds
  • 2.5 Baths
  • 1,736 Sq Ft
  • Built 2005

  Last Sold Summary

  • $389/SF
  • 21 Days On Market

  Current Estimated Value $690,950

  Last Listing Agent Lisa Jaeger Douglas Elliman Real Estate

  3 Louden Loop, Mount Sinai, NY 11766
• 

  Est $510,072

  Not Listed For Sale

  104 Hearthside Dr, Mount Sinai, NY 11766

  • 2 Beds
  • 2 Baths
  • 1,335 Sq Ft
  • Built 1986

  104 Hearthside Dr, Mount Sinai, NY 11766

  Last Sold Summary

  • 24 Days On Market

  Last Listing Agent Antonio Sgambati Signature Premier Properties
• 

  

  /35

  $749,000

  Pending

  • 3 Beds
  • 3 Baths
  • 2,500 Sq Ft

  10 Louden Loop, Mount Sinai, NY 11766

  Experience luxurious living in the exclusive, sought after detached homes, double-gated 55+ community of The Villages at Timber Ridge Park! This ASTOR model Ranch-style home with second story loft. The heart of the home boasts an entry to greet your guests, open-concept design living areas perfect for gathering, featuring a formal dining area for those special occasions, family room with gas

  Lisa Jaeger Douglas Elliman Real Estate

  10 Louden Loop, Mount Sinai, NY 11766
• 

  $650,000

  Sold Dec 05, 2025

  34 Hawthorne St, Mount Sinai, NY 11766

  • 4 Beds
  • 2 Baths
  • 2,128 Sq Ft
  • Built 1976

  Last Sold Summary

  • 4% Below List Price
  • $305/SF
  • 46 Days On Market

  Current Estimated Value $679,014

  Last Listing Agent Mark Cisneros Keller Williams Landmark II

  34 Hawthorne St, Mount Sinai, NY 11766
• 

  Est $494,960

  Not Listed For Sale

  94 Hearthside Dr, Mount Sinai, NY 11766

  • 2 Beds
  • 2 Baths
  • 1,501 Sq Ft
  • Built 1986

  94 Hearthside Dr, Mount Sinai, NY 11766

  Last Sold Summary

  • 77 Days On Market

  Last Listing Agent Frank Prinzevalli BH&G R E Realty Connect
• 

  

  /42

  $849,000

  • 3 Beds
  • 2.5 Baths
  • 2,124 Sq Ft

  163 Hamlet Dr, Mount Sinai, NY 11766

  Experience Resort-Style Living Every Dat At 163 Hamlet Drive, Ideally Situated Within The Prestigious Gated Community Of The Hamlet At Willow Creek. This Warm And Inviting Three- Bedroom Three-Bath Ranch-Style Home Offers Serene Water Views Overlooking The Picturesque Willow Creek Golf Course. Designed For Easy One-Level Living, This Beautiful Home Features A Welcoming Entry Foyer, Spacious

  Lori Zamore Signature Premier Properties

  163 Hamlet Dr, Mount Sinai, NY 11766
• 

  $399,000

  Sold May 08, 2026

  27 Hearthside Dr, Mount Sinai, NY 11766

  • 1 Bed
  • 1 Bath
  • 844 Sq Ft
  • Built 1975

  Last Sold Summary

  • $473/SF
  • 23 Days On Market

  Current Estimated Value $398,764

  Last Listing Agent Michelle Madtes BERKSHIRE HATHAWAY

  27 Hearthside Dr, Mount Sinai, NY 11766

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