Mount Sinai Homes for Sale

Welcome to Mount Sinai, a charming community nestled in the heart of Suffolk County, New York. Known for its picturesque landscapes and friendly atmosphere, Mount Sinai offers residents a perfect blend of suburban tranquility and easy access to the vibrant attractions of Long Island.

One of the standout features of this delightful town is the highly regarded Mount Sinai School District. Renowned for its commitment to academic excellence, the district provides a nurturing environment where students thrive. With a strong emphasis on personalized learning and innovative programs, Mount Sinai schools boast impressive graduation rates and a wide array of extracurricular activities. Families can take comfort knowing that their children will receive a top-notch education, supported by dedicated teachers and a robust community that values learning.

For those looking to make Mount Sinai their home, the real estate market is brimming with opportunities. From cozy single-family homes to spacious estates, there’s a diverse selection of properties to suit every lifestyle and budget. Whether you’re a first-time buyer or seeking a forever home, you’ll find charming residences with modern amenities, beautiful yards, and a welcoming neighborhood feel.

Living in Mount Sinai means enjoying the best of both worlds—serene suburban living with easy access to beautiful beaches, parks, and recreational activities. With homes for sale that cater to various tastes, now is the perfect time to explore this delightful community. Come discover why Mount Sinai is not just a place to live, but a place to thrive!

Newest Mount Sinai Homes for Sale

$1,099,999

6 Beds ⋅ 5 Baths ⋅ 1045245 MLS

Public Remarks Welcome to 97 Chestnut Street, an exceptional residence in Mount Sinai that combines spaciousness, privacy, and functionality in a design tailored to the modern lifestyle. This property offers 6 bedrooms and 5 full bathrooms distributed across well-defined spaces—ideal for multi-generational living, or buyers seeking flexibility. The interiors are distinguished by high ceilings, abundant natural light, and multiple living areas that provide comfort for both daily living and evening entertaining. The open-concept kitchen features a breakfast area, excellent storage capacity, and a direct connection to the social spaces, creating a practical and welcoming atmosphere. The first floor includes a bedroom that can serve as a private suite for guests. The finished lower level adds significant value with recreational space, storage, and convenient access, further expanding the property's potential uses. The exterior offers a private, oasis-like setting on a lot of approximately 1.25 acres, featuring a swimming pool, hot tub, spacious patio, and lush green areas ideal for outdoor enjoyment. The property also includes a two-car garage and an expansive driveway that provides ample additional parking. Strategically located near renowned schools, shops, parks, and transportation, this property combines residential tranquility with convenient access to essential amenities. With the necessary permits already in place, there is potential for a "Mother & Daughter" (accessory apartment) configuration, making this an excellent option for those seeking additional living space or potential rental income. This is a unique opportunity to acquire a move-in-ready property with significant potential for future appreciation.

97 Chestnut Street, Mt. Sinai

$599,999

4 Beds ⋅ 2 Baths ⋅ 1043338 MLS

Great opportunity to buy in a prime location! Privately tucked away on a quiet cul-de-sac street, this four bedroom/two full bathroom ranch style home is situated on a spacious 0.35 acre lot. The living room features a beautiful wood burning fireplace with tastefully designed brick work around. The home's den, which has vaulted ceilings, also provides access to this fireplace. The eat-in kitchen is another great feature of the home with an open concept and a large island. The spacious yard provides plenty of room to enjoy the outdoors, while the home's inviting interior offers warmth and character throughout. With its desirable location and attractive features, this property is ready to welcome its next owner.

30 Ashland Street, Mt. Sinai

$975,000

4 Beds ⋅ 3 Baths ⋅ 1043108 MLS

Welcome to 16 Jesse Way, a beautifully appointed contemporary home in the desirable Mount Sinai community. Set on just shy of an acre of stunning landscaped grounds, this spacious 4 bedroom 2.5 bath residence offers approximately 2,700 square feet of comfortable living space. Gorgeous primary bedroom with full bathroom and walk in closet. The French country decor runs throughout the home on all levels .The open and versatile layout provides plenty of room for everyday living and entertaining, while the fully finished basement offers valuable additional living space. Step outside to your private backyard retreat, complete with a lovely in ground pool surrounded by lush professionally landscaped grounds-perfect for relaxing or entertaining throughout the warmer months. Ideally located in walking distance to Heritage Park, this property combines generous interior space, exceptional outdoor amenities and a convenient location. A wonderful opportunity to make this spacious Mount Sinai contemporary your new home.

16 Jesse Way, Mt. Sinai

$1,149,000

4 Beds ⋅ 3 Baths ⋅ 1041520 MLS

Set in Mount Sinai, this custom-built post-modern residence offers a distinctive combination of architectural character, thoughtful design, and exceptional outdoor amenities. Configured as a four- to five-bedroom, three-full-bath home, the property provides flexible living space and room to make it your own. The fully gated property features meticulously landscaped grounds with hand-selected mature specimen trees, creating a beautifully maintained and private setting. The inviting wrap-around porch welcomes you to the home, while the in-ground heated pool with waterfall provides an impressive outdoor focal point for entertaining and enjoying the warmer months. Inside, the spacious great room is highlighted by soaring vaulted ceilings and a handcrafted stone fireplace, creating an impressive focal point with a warm, inviting atmosphere. Beautiful hardwood floors flow seamlessly throughout the home. The large chef's kitchen is designed for both everyday living and entertaining and features high-end stainless-steel appliances. The primary suite offers high ceilings, its own fireplace, a large walk-in closet, and access to a covered balcony. A convenient second-floor laundry adds to the home's functionality, while a walk-up attic provides additional storage or future possibilities. The property also includes a detached two-car garage and a dedicated RV or boat pad equipped with electric, water, and a dry well, offering added versatility for recreational vehicles or other needs. A custom home with character, substantial outdoor space, and numerous distinctive features, this Mount Sinai property is ready for your imagination

811 Canal Road, Mt. Sinai

$1,100,000

4 Beds ⋅ 3 Baths ⋅ 1036915 MLS

Completely renovated and updated 4-bedroom, 2.5-bath Colonial ideally located on a private cul-de-sac. Featuring beautiful hardwood floors, central air conditioning, and a spacious primary suite with ensuite bath. Enjoy the charm of a wrap-around porch and a private inground pool, perfect for summer entertaining and relaxation. Conveniently located close to schools, shopping, and restaurants, this move-in-ready home offers comfort, style, and privacy.

61 Shore Road Unit #B, Mt. Sinai

$1,199,999

4 Beds ⋅ 4 Baths ⋅ 1039519 MLS

Welcome to this beautiful 4 bedroom, 3 and a half bath home in Mount Sinai! This property features beautifully landscaped grounds, 3 car garage, an in-ground saltwater pool and a spacious masonry with a wood-burning fireplace and outdoor kitchen, creating the perfect setting for entertaining and relaxing.

55 Casey Lane, Mt. Sinai

$689,850

4 Beds ⋅ 2 Baths ⋅ 1039282 MLS

Welcome to 82 Chestnut Street, nestled in the desirable Whitcombs Acre residential neighborhood of Mount Sinai. This 4-bedroom, 2-bathroom home offers nearly 2,000 square feet of living space on a beautiful 0.34-acre lot. The spacious layout features generously sized rooms and plenty of potential to create the home of your dreams. The home does need some TLC and updating, making this a fantastic opportunity for buyers looking to add their own personal touches. Enjoy the privacy and tranquility of this established residential neighborhood while being conveniently located near schools, shopping, dining, parks, beaches, and major roadways. With its sought-after Whitcombs Acre location, spacious lot, and endless possibilities, 82 Chestnut Street is a wonderful opportunity to make your vision a reality.

82 Chestnut Street, Mt. Sinai

$779,900

4 Beds ⋅ 2 Baths ⋅ 1036668 MLS

A North shore desirable location to beach and fun. This home sits on lush grounds. The back yard is an entertainers' dream, beautiful In Ground Pool, Cabana, Trex Deck, Mature Layered Landscaping, Shed. Home features Eat In Kitchen, Wet Bar, Living Room w/ fireplace, Den with Fireplace. Primary Bedrm, plus 2 Bedrooms Full Bth. Super finished Basement. A Home for all Seasons, Cooling in the Pool for summer, Close Beach for sun and sand, 2 beautiful fireplaces for those cold days and nights.

10 George Hill Road, Mt. Sinai

$974,999

4 Beds ⋅ 3 Baths ⋅ 1034959 MLS

Amazing renovated home with 4 bedrooms and 2.5 bathrooms. All new kitchen and bathrooms. New flooring, lighting, freshly painted. Master suite with large master bathroom. Formal dining room, living room and family room. large full basement waiting for your design. Large rear deck and huge yard for entertaining. Must see! Call today!

96 Chestnut Street, Mt. Sinai

$799,999

4 Beds ⋅ 3 Baths ⋅ 1034421 MLS

Welcome to this beautifully expanded 4 bedroom, 2.5 bath colonial located on a quiet block in the Mount Sinai School District. This well maintained home offers a spacious layout featuring a large cozy living room w/ gas fireplace, formal dining room and eat-in kitchen w/ stainless steel appliances and walk-in pantry. The primary bedroom boasts vaulted ceilings and inviting sitting area ideal for a home office, vanity, or reading nook. A full finished basement provides additional living space. Home is equipped with central air conditioning, separate hot water heater and in ground sprinklers. Situated on a generous 0.37-acre lot, the private backyard is your own oasis, featuring a heated in-ground pool and Trex Deck, perfect for relaxing and entertaining. Enjoy the welcoming front porch and beautifully landscaped property. Conveniently located near downtown Port Jefferson's waterfront, marinas, restaurants, and shopping. WELCOME HOME!

9 Mount Sinai Avenue S, Port Jefferson Station

$1,300,000

5 Beds ⋅ 3 Baths ⋅ 1025468 MLS

Welcome to this beautifully maintained 5 Bedroom, 2.5 Bath Colonial nestled on over 3 private acres, offering the perfect combination of classic charm, modern comfort, and exceptional space. The main level features a sun-filled living room with a fireplace, a warm and inviting den with a second fireplace, a formal dining room for entertaining, and a spacious eat-in kitchen designed for everyday living. A first-floor bedroom, private home office, and convenient half bath provide added flexibility for guests, remote work, or multigenerational living. Upstairs, the generous primary suite offers a walk-in closet and private full bath, while three additional bedrooms and another full bath provide plenty of space for family and guests. The fully finished basement adds even more versatility with a kitchenette, dining area, family room, and laundry area, making it ideal for extended living, recreation, or entertaining. Step outside to your own private backyard oasis featuring a fully fenced in-ground pool, an elegant stone patio, and expansive open grounds perfect for outdoor entertaining, recreation, or simply enjoying the peaceful surroundings. Complete with ample parking and a desirable blend of privacy and convenience to local amenities, this exceptional property offers the space, comfort, and lifestyle you've been searching for.

77 Shore Road, Mt. Sinai

$899,990

4 Beds ⋅ 3 Baths ⋅ 1024841 MLS

Welcome to 83 Shore Road, a beautifully maintained colonial set on over an acre of property in the heart of Mount Sinai with an adjacent buildable 1.35 acre lot available if desired. This recently renovated property offers many opportunities for expansion and development to fulfill any vision! This spacious 4-bedroom, 2.5-bathroom home offers a bright and inviting layout with multiple living spaces perfect for both everyday comfort and entertaining. Some features include hardwood and vinyl floors throughout the home, recessed lighting throughout the first floor, stainless steel appliances in the kitchen, fireplace, 200 amp electric, oil heating and central air conditioning. The oversized primary en suite offers high ceilings, walk-in closet and a full bathroom. Additionally, there is a partially finished basement and 2 car garage. The dining room and great room boast huge windows overlooking the inground pool, lush landscaping and mature trees that are complemented by a long driveway and private setting. Enjoy peaceful surroundings while being just minutes from beaches and the amenities of Port Jefferson Village. Don't miss out on this unique opportunity to own a beautiful home in one of Mount Sinai’s most desirable communities!

83 Shore Road, Mt. Sinai

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Listings courtesy of OneKey® MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of . All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.