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Mount Sinai Homes for Sale

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  • /44

    $575,000

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

    161 Harbor Beach Rd, Mount Sinai, NY 11766

    **Waterfront Retreat at Mount Sinai Harbor - Perfect for Snowbirds or Second Home Buyers!** Welcome to your slice of paradise near Cedar Beach, to Long Island Sound and your own private walking path to the shoreline. This charming home, rebuilt in 1977, boasts stunning harbor views and numerous upgrades since 2016, including: - An all-season enclosed porch - Many new windows for natural

    Agent Photo

    Kenneth Trestka

    Genstone Properties

    (631) 529-6207

    161 Harbor Beach Rd, Mount Sinai, NY 11766
  • /33

    $839,000

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

    2 Seaview Ln, Mount Sinai, NY 11766

    Location, Location, Location! Welcome to Seaview Lane. This well maintained 4 bedroom, 3 bath, center hall colonial, situated on a just shy of 3/4 of an acre expanded lot is waiting for your personal touch to make this house your 'Dream Home'. -a true gem nestled in one of the North Shore's most coveted and picturesque neighborhoods. The first floor features a charming entry foyer with a new

    Agent Photo

    Adrianne Faranda

    Realty Connect USA L I Inc

    (631) 658-5562

    2 Seaview Ln, Mount Sinai, NY 11766
  • /26

    $839,000

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

    2 Sea View Ln, Mount Sinai, NY 11766

    Location, Location, Location! Welcome to Seaview Lane. This well maintained 4 bedroom, 3 bath, center hall colonial, situated on a just shy of 3/4 of an acre expanded lot is waiting for your personal touch to make this house your "Dream Home". —a true gem nestled in one of the North Shore's most coveted and picturesque neighborhoods.The first floor features a charming entry

    Agent Photo

    Adrianne Faranda

    Realty Connect USA L I Inc

    (631) 817-3750

    2 Sea View Ln, Mount Sinai, NY 11766
  • /49

    $999,000

    • 4 Beds
    • 3.5 Baths
    • 3,944 Sq Ft

    3 Heidi Ln, Mount Sinai, NY 11766

    Secluded Gem in Blue Ribbon Mount Sinai School District!Discover an exceptional living experience at 3 Heidi Lane, a stunning Colonial-style residence privately nestled at the end of a serene cul-de-sac in desirable Mount Sinai. Perfectly placed on just under an acre, this property offers unrivaled privacy, with one side extending into state owned land, creating a tranquil and natural buffer

    Agent Photo

    Mia Kaiser

    Signature Premier Properties

    (631) 869-7097

    3 Heidi Ln, Mount Sinai, NY 11766
  • /26

    $850,000

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

    164 Chestnut St, Mount Sinai, NY 11766

    Welcome to this beautifully designed 2021 NEW CONSTRUCTION COLONIAL! Located on a spacious corner lot, this 4-bedroom, 2.5-bath home blends modern design, comfort, and functionality. Inside, you’ll find an open concept layout featuring gleaming hardwood floors, wainscoting, custom molding, and recessed lighting throughout. The chef’s kitchen is the heart of the home, featuring a large center

    Sofia Holzhauser Douglas Elliman Real Estate

    164 Chestnut St, Mount Sinai, NY 11766
  • /36

    $899,000 Open Sat 12PM - 2PM

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

    23 Island Trail, Mount Sinai, NY 11766

    Welcome to Island Estates, where this impressive Colonial features 5 bedrooms and spacious living areas, complete with soaring ceilings and a striking staircase. Hardwood flooring flows throughout, leading to an expansive eat-in kitchen complete with a butler’s pantry. The family room includes a fireplace, while the primary suite showcases tray ceilings, generous walk-in closets, double door

    Frank Mann BERKSHIRE HATHAWAY

    23 Island Trail, Mount Sinai, NY 11766
  • /33

    $999,000 Open Sun 1PM - 2:30PM

    • 5 Beds
    • 2.5 Baths
    • 3,360 Sq Ft

    39 Island Trail, Mount Sinai, NY 11766

    Welcome to this beautifully expanded Oxford II model, nestled in a sought-after Island Estates development and built in 2005. This spacious home offers the perfect blend of classic charm and modern convenience, featuring an open flowing layout ideal for entertaining and everyday living. Entering into this impressive 2 story foyer further enhanced with a unique electric adjustable fixture to

    Gina Amen American Real Estate Assoc Inc

    39 Island Trail, Mount Sinai, NY 11766
  • /50

    $1,100,000

    • 5 Beds
    • 3.5 Baths
    • 4,400 Sq Ft

    141 Shore Rd, Mount Sinai, NY 11766

    Magnificent Custom Built Post Modern home set in a secluded and pristine setting within Historic Mount Sinai. Truly a one of a kind home situated on breathtaking grounds. Winter water views, private and set away from the hustle and bustle on 1.24 acres of lush natural scenery. Being sold fully furnished with many custom built-ins. Home features; Soaring ceilings throughout, gorgeous windows to

    Maria Caifa Coldwell Banker American Homes

    141 Shore Rd, Mount Sinai, NY 11766
  • /32

    $999,000

    • 8 Beds
    • 4 Baths
    • 2,500 Sq Ft

    33 Peachtree Ln, Mount Sinai, NY 11766

    Ready To Move In! Amazing Investment Opportunity Or Perfect For Large Families Or Multi-Family Living. This Spacious 8-Bedroom, 4-Bathroom Home Sits On A .73 of an Acre And Features 2 Legal Kitchens. The Property Offers Multiple Separate Entrances, A Pool, And Recently Updated Systems, Including A Including A New Gas Hot Water Heating System And Septic Tank. With Great Potential For Long-Term

    Michael Fink BERKSHIRE HATHAWAY

    33 Peachtree Ln, Mount Sinai, NY 11766
  • /40

    $1,389,000 Open Sat 12PM - 2PM

    • 6 Beds
    • 6 Baths
    • 4,200 Sq Ft

    8 Brian Ln, Mount Sinai, NY 11766

    Beautiful 5 bedroom, 2 kitchens, post modern home featuring cathedral ceilings with fireplace in the den, formal dinning room, custom kitchen with stainless steel appliances, separate eating area with a beautiful view of the manicured backyard, primary bedroom suite with jacuzzi tub, central air, central vac, sprinklers, new separate hot water heater, possible mother/daughter with separate

    Cindy Candurra Cardinal Realty Group LLC

    8 Brian Ln, Mount Sinai, NY 11766
  • /26

    $679,000 Open Sun 1PM - 2:30PM

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

    34 Hawthorne St, Mount Sinai, NY 11766

    With 4 beds and 2 baths, this home offers a perfect blend of style and comfort.Entertainer’s Paradise!You’ll be inspired to host as you step into this sprawling contemporary home in the heart of Mount Sinai. The vaulted ceilings and natural light pouring in through the large windows create an open and welcoming atmosphere that will be sure to impress. Cook up a feast in

    Mark Cisneros Keller Williams Landmark II

    34 Hawthorne St, Mount Sinai, NY 11766
  • /43

    $649,999

    • 2 Beds
    • 3 Baths
    • 1,306 Sq Ft

    109 Pond Cir, Mount Sinai, NY 11766

    Welcome to Plymouth Estates in Mount Sinai – a beautifully maintained Ashby model lower end-unit in a highly desirable 55+ 24 hour gated community. This spacious 2-bedroom, 3-bath home offers elegant-lifestyle with a primary bedroom featuring an en-suite, a bright second bedroom, and a finished basement for additional living or entertaining space. Enjoy cozy evenings by the stone fireplace in the

    Paul Musso Realty Connect USA L I Inc

    109 Pond Cir, Mount Sinai, NY 11766
  • /35

    $789,000 Open Sun 12PM - 1PM

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

    6 Azurean Ct, Mount Sinai, NY 11766

    Welcome to 6 Azurean Ct, Mount Sinai — a spectacular 3000 SF home that’s been cherished by the same family for 27 years! This wonderful colonial style home offers 4–5 spacious bedrooms, 3.5 baths and is situated in a tranquil cul-de-sac on .57 acres. Step inside, enjoy your large kitchen with granite countertops, living room with an inviting wood-burning fireplace, formal dining room, laundry

    Kenneth Hirsch Compass Greater NY LLC

    6 Azurean Ct, Mount Sinai, NY 11766
  • /28

    $749,000 Open Sun 1PM - 4PM

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

    11 Gladysz Way, Port Jefferson, NY 11777

    Welcome to 11 Gladysz Way, a beautifully cared-for 4-bedroom, 2.5-bath colonial nestled on a quiet cul-de-sac in the heart of Port Jefferson. This inviting home offers the perfect blend of comfort, space, and convenience—all within the sought-after Comsewogue School District.Step inside to a warm and spacious first floor featuring a formal living room with a wood-burning fireplace, a

    Justin Loguercio Next Level Homes Group Ltd

    11 Gladysz Way, Port Jefferson, NY 11777
  • /33

    $1,099,000

    • 6 Beds
    • 5 Baths
    • 4,150 Sq Ft

    97 Chestnut St, Mount Sinai, NY 11766

    Welcome to 97 Chestnut Street, an exceptional investment opportunity in the heart of Mount Sinai. This spacious property offers 6 bedrooms and 5 full bathrooms, thoughtfully distributed across well designed living areas. Each room features ample closet space and large windows that invite natural light.Perfect for entertaining or relaxing, the home includes a large outdoor area complete

    Francisco Arrieta Telemundo Realty Corp

    97 Chestnut St, Mount Sinai, NY 11766
  • /37

    $579,999

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

    164 Ira Rd, Mount Sinai, NY 11766

    Elegant 2-Bedroom Upper Unit with Private Elevator in Plymouth Estates – Mount SinaiSet within the secure, gated 55+ community of Plymouth Estates, this beautifully maintained upper-level end unit offers comfort, space, and convenience just moments from Mount Sinai Harbor and vibrant Port Jefferson Village.This sun-filled home features 2 bedrooms and 2 full bathrooms, along with rare perks such

    Nicholas Colonna Aliano Real Estate

    164 Ira Rd, Mount Sinai, NY 11766
  • /37

    $579,999

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

    166 Ira Rd, Mount Sinai, NY 11766

    Mount Sinai – Plymouth Estates – Gated 55+ CommunityImmaculate upper-level end unit in the prestigious Plymouth Estates 55+ gated community, just minutes from Mount Sinai Harbor and Port Jefferson Village. This bright and spacious 2-bedroom, 2-bath unit features its own private elevator, central air, natural gas, and a 1-car attached garage. Enjoy an open layout with vaulted ceilings, a cozy gas

    Nicholas Colonna Aliano Real Estate

    166 Ira Rd, Mount Sinai, NY 11766
  • /39

    $1,649,900

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

    43 Casey Ln, Mount Sinai, NY 11766

    Welcome to this magnificent home in prestigious Mount Sinai. This home features a front porch with lighting and front waterfall. Enter into a two-story foyer through the double glass doors from Italy. This leads into the formal living room, large formal dining room with tray ceilings and into the magnificent new kitchen with an island. The kitchen has granite countertops, Viking stainless

    Maryann Adams Signature Premier Properties

    43 Casey Ln, Mount Sinai, NY 11766
  • /18

    $385,000

    • 1 Bed
    • 1 Bath
    • 504 Sq Ft

    137 C Shore Rd, Mount Sinai, NY 11766

    Ideal Location and Low Taxes! Why rent when you can own this charming 1 Bedroom, 1 Bath Cottage Perfect for First Time Homebuyer, Downsizer or Investment Opportunity. Wonderful Location in Mount Sinai with Tremendous Potential. The property is very private, close to Mount Sinai Harbor and the home is well maintained.Sold As-Is.

    Denise Voelker Daniel Gale Sothebys Intl Rlty

    137 C Shore Rd, Mount Sinai, NY 11766
  • /7

    $799,999

    • Land
    • 2.82 Acres
    • $283,688 per Acre

    0 Canal Rd Unit KEY844080, Mt. Sinai, NY 11766

    Located in a charming residential neighborhood, this 2.8-acre wooded vacant lot offers an exceptional opportunity for builders, developers, or investors. Surrounded by beautiful homes, the property is serviced by public sewer, adding convenience to its prime location.This property is located within an A1 Residential Zone, and with a total area of approximately 122,839 square feet (as per

    Kavneet Baweja Serhant LLC

    0 Canal Rd Unit KEY844080, Mt. Sinai, NY 11766
  • /6

    $648,000

    • Land
    • 1.1 Acres
    • $589,091 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
  • /2

    $1,690,000

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

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

    Discover the epitome of architectural brilliance with this cedar and brick-sided Modern Colonial. Offering 3,584 sq ft of finished living space within a 6,000-sq ft layout. This to be built property is on .78 acres. Oak floors throughout, 9-foot ceilings and light-filled spaces. Custom chef’s kitchen, quartz countertops, and high-end appliances. Custom butlers pantry. The living room is open,

    Cody Buchalter Michael Alexander Properties

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

Why Live in Mount Sinai

Mount Sinai in Long Island features a variety of home styles, including ranch-style, colonial, and 1980s contemporary houses. Historic homes are found along Old Country Road and Shore Road, with gated communities like The Hamlet at Willow Creek Homes. Properties often have larger lot sizes, with some farmhouses and horse ranches available. Waterfront homes on Harbor Beach Road and Mount Sinai Harbor offer scenic views and beach access. The neighborhood has a minor risk of flooding but requires insurance for hurricane-related wind damage. Crime rates are lower than the national average. Cedar Beach is a key attraction, offering playgrounds, a marina, and Tiki Joe’s Beach Club with live music. Cedar Beach West is popular for fishing and boating, featuring a fishing pier and the Mount Sinai Yacht Club. Heritage Center Park provides running paths, sports fields, and a recreation center, while the North Shore Rail Trail and Rocky Point State Pine Barrens Preserve cater to cyclists and hikers. Dining and shopping options are concentrated along Route 25A, with popular spots like Heritage Diner, Amici, and Midori Sushi & Steakhouse. Nearby Port Jefferson offers additional amenities. Mount Sinai School District is highly rated, with Mount Sinai Elementary, Middle, and High Schools all located on the same property. The district is recognized for its academic and athletic achievements. The neighborhood is car-dependent, with bus stops on Route 25A and a Long Island Rail Road station 2 miles away in Port Jefferson. Mather Hospital and St. Charles Hospital are also 2 miles away, and Long Island MacArthur Airport is 18 miles from the neighborhood.

Frequently Asked Questions

Is Mount Sinai a good place to live?
Mount Sinai is a good place to live, receiving 4.5 stars from its residents. Mount Sinai is considered car-dependent and somewhat bikeable. Mount Sinai is a suburban neighborhood. Mount Sinai has 7 parks for recreational activities. It is sparse in population with 2.8 people per acre and a median age of 46. The average household income is $170,092 which is above the national average. College graduates make up 48.9% of residents. A majority of residents in Mount Sinai are home owners, with 6% of residents renting and 94% of residents owning their home. A local real estate agent serving Mount Sinai can help you decide if this neighborhood is the right one for you. Learn more on our Mount Sinai neighborhood guide.
How much do you need to make to afford a house in Mount Sinai?
The median home price in Mount Sinai is $699,000. If you put a 20% down payment of $139,800 and had a 30-year fixed mortgage with an interest rate of 6.26%, your estimated principal and interest payment would be $3,450 a month plus property taxes, HOA fees, home insurance, PMI, and utilities. Using the 28% rule, you would need to make at least $148K a year to afford the median home price in Mount Sinai. The average household income in Mount Sinai is $170K.
What are the best public schools in Mount Sinai?
The best public schools that serve Mount Sinai are:
What are the most popular zip codes in Mount Sinai, Long Island, NY?
The most popular zip codes in Mount Sinai, Long Island, NY include 11766, 11764, 11776, 11777 and 11789.
What are the most popular neighborhoods near Mount Sinai, Long Island, NY?
The most popular neighborhood near Mount Sinai, Long Island, NY is East Shoreham.

Home Trends in Mount Sinai, NY

Housing Trends

Median Sale Price
$710,000
Median Single Family Sale Price
$732,000
Median Townhouse Sale Price
$614,999
Median 2 Bedroom Sale Price
$475,000
Median 1 Bedroom Sale Price
$373,000
Average Price Per Sq Ft
$352
Number of Homes for Sale
20
Last 12 months Home Sales
108
Months of Supply
2.20
Median List Price
$699,000
Median Change From 1st List Price
0%
Median Home Sale Price YoY Change
13%
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