Refine Search
Sort by
141 Harbor Beach Road, Mt. Sinai
$1,499,000
5 Beds ⋅ 3 Baths ⋅ 1020184 MLS
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 flexibility for extended family living, entertaining, or creating the lifestyle you've always envisioned. The thoughtful layout offers abundant space and endless possibilities to customize and make it your own. Enjoy the benefits of Harbor Beach living with beach rights and access to two private pathways leading directly to the beach, allowing you to take full advantage of the beautiful waterfront setting and coastal lifestyle. While the home awaits your personal updates and modern touches. Don't miss this chance to transform a spacious Colonial into the home you've always imagined, just moments from the beach, local parks, shopping, dining, and all that Mount Sinai has to offer.

141 Harbor Beach Road, Mt. Sinai

145 Shore Road, Mt. Sinai
$1,050,000
4 Beds ⋅ 2 Baths ⋅ 1035117 MLS
George Washington Didn't Sleep Here but a Member of the Culper Spy Ring Might Have * This Circa 1790 Home is a Must See. It is Fully Renovated and Ready to Host the Next Owner. The Kitchen is a Chef's Dream. There is a Forno 8 Burner, Double Oven Gas Stove & An Extra Wide Forno Refrigerator/Freezer. The Rooms are All Spacious and the Family Room and the Formal Dining Room Has Original Hand-Hewn Beams * There is Wood Flooring Throughout * High Hats Throughout * Crown Molding Throughout * The Oversized Main Bathroom has a Clawfoot Tub * The Primary Suite has Vaulted Ceilings, A Walk-in Closet and a Large Full Bath that has Recently Been Updated. Upstairs Also Features a Huge Cedar Closet * There are Custom Historic Trim and Door Hardware Throughout * The Boiler/ Hot Water Heater is a Newer High Efficiency Energy Kinetics Flagship System 2000 * The Backyard is an Oasis in Paradise...There is a Freeform Custom In-Ground Pool, A Full Outdoor Kitchen with Granite Countertops * A Fire Pit with a Cooktop Grill and an Outdoor Shower. There's Parking for 10+ Cars and a Detached 2 Car garage * A Huge Basement with an Outside Entrance * This 3/4 Acre Property has a Separate Party Area...Where You can Put up a Tent and Host a Party for 100+ People. Also ...there is a Winter Waterview! What Are You Waiting For? ...Make an Appointment to see this Special Home in the Award Winning Mt. Sinai School District.

145 Shore Road, Mt. Sinai

811 Canal Road, Mt. Sinai
$1,049,000
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

72 Farm Acre Circle, Mt. Sinai
$999,999
2 Beds ⋅ 4 Baths ⋅ 1035666 MLS
Luxury, low maintenance living awaits in The Vineyards at Mount Sinai, one of Long Island's premier gated 55+ communities. Built in 2023, this stunning Barolo model offers 2 bedrooms, 2 full baths, 2 half baths, and a thoughtfully designed open floor plan with custom finished oak floors, featuring modern finishes throughout. The beautifully appointed kitchen with quartz counters, stainless steel appliances opens seamlessly to the spacious living and dining areas, creating the perfect space for everyday living and entertaining. Tons of natural light throughout! A generous primary suite, additional guest accommodations, and multiple levels of finished living space provide comfort and flexibility for family and visitors alike. The full finished basement with high ceilings and an egress window provides extra living space with an unfinished portion for utilities and extra storage space. Residents enjoy resort style amenities including an elegant clubhouse, fitness center, heated outdoor pool, pickleball and bocce courts, walking paths, and a vibrant social calendar, all with the convenience of low maintenance living. Ideally located just minutes from Port Jefferson Village, Cedar Beach, local golf courses, wineries, shopping, restaurants, Stony Brook University Hospital, and major roadways, this exceptional home offers the perfect blend of luxury, convenience, and lifestyle. Some photos have been virtually staged.

72 Farm Acre Circle, Mt. Sinai

95 Hamlet Drive, Mt. Sinai
$999,000
3 Beds ⋅ 3 Baths ⋅ 1015784 MLS
Rare opportunity to own one of the few ranch-style homes in this beautiful Hamlet! Enjoy the ease of one-level living in this spacious, impeccably maintained Jefferson Model, perfectly positioned with breathtaking views of the golf course and tranquil ponds. This stunning home is loaded with upgrades and features extensive custom moldings throughout, a large built-in cherrywood desk and custom cabinetry in the study, a formal dining room with tray ceilings and elegant moldings, and a spacious granite Eat-In Kitchen with top-of-the-line cabinetry and updated stainless steel appliances. The thoughtfully designed floor plan includes a separate wing that would make an ideal private guest suite for extended family or overnight visitors. The luxurious primary suite offers a spa-like bath complete with a soaking tub and oversized double shower. One of the home's most impressive features is the wall of windows and sliders across the rear of the home, flooding the living space with natural light while showcasing the spectacular golf course and pond views. Additional highlights include natural gas heating, a gas fireplace, double glass French door entry, porcelain tile flooring in the foyer, kitchen and den, surround sound wiring, and an oversized two-car garage featuring built-in cabinetry and epoxy flooring. Step outside to a spectacular 55' x 15' paver patio overlooking the pond and golf course, along with a paver driveway and walkways that enhance the home's exceptional curb appeal. Enjoy resort-style living with amenities that include an 18-hole golf course, clubhouse, recreation room, fitness center, heated community in-ground pool, separate children's pool, tennis courts, basketball court, playground, and beautifully maintained grounds. Diamond condition and completely move-in ready. Experience country club living at its finest!

95 Hamlet Drive, Mt. Sinai

16 Jesse Way, 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

5 Crabapple Court, Mt. Sinai
$900,000
4 Beds ⋅ 3 Baths ⋅ 1013350 MLS
Drive North on Peachtree Lane past the Rail Trail access and several cul-de-sacs on either side of the road that are great for bike riding and walking; turn onto Crabapple Court. Number five is a beautiful Colonial with updated Kitchen, Roof, Siding, Gutters, Powder Room, CAC, Garage Doors, Front Door, Driveway, Walkway. It has an end of cul-de-sac location with large, fenced lot in the Mount Sinai School District. There are four Bedrooms, two full Baths and a Powder Room. The home features a wood-burning fireplace, hard wood floors (under carpets), stainless steel kitchen appliances and main floor laundry room. Flexible floorplan that you can set up to your preferences. The home has two primary bedrooms on the second floor one with 100 sq. ft. walk in closet, the other has an en-suite bathroom and multiple closets. Large Deck for entertaining, basement for storage, two car garage. The backyard is private and fenced with mature trees and a gently rolling lawn. Close to Mount Sinai School campus, shopping. dining and recreational opportunities. Close to Cedar Beach, Heritage Park, Rose Caracappa Senior Center, Satterly’s Landing, Mount Sinai Yacht Club, North Shore Rail Trail, Port Jefferson Village, LIRR, Cross-Sound Ferry, Mather Hospital, Saint Charles Hospital. 8 miles to Stony Brook University and University Hospital. 11 miles to Brookhaven National Lab.

5 Crabapple Court, Mt. Sinai

163 Hamlet Drive, Mt. Sinai
$849,000
3 Beds ⋅ 3 Baths ⋅ 1032568 MLS
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 Bedrooms, Hardwood Floors, Natural Gas, A Bright Open Kitchen, Two-Car Garage And A Large Patio Perfect For Relaxing Or Entertaining While Enjoying The Peaceful Surroundings. Enjoy Exceptional Community Amenities Including Access To Golf, A Beautiful Clubhouse, Fitness Center, Heated Swimming Pool, Basketball And Tennis Courts, Playground And The Security And Convenience Of A 24-Hour Gated, Non-Age-Restricted Community. This Is The Perfect Opportunity To Embrace A Carefree Lifestyle Without Compromising On Comfort, Space Or Convenience.

163 Hamlet Drive, Mt. Sinai

195 Shore Road, Mt. Sinai
$849,000
2 Beds ⋅ 2 Baths ⋅ 1009988 MLS
Location, Location, LOCATION!! Perched on a hill overlooking the Long Island Sound, this truly one-of-a-kind, waterfront residence offers breathtaking water views and a feature unlike any other - a private lighthouse tower! Yes, your very own LIGHTHOUSE! Climb to the top and step out onto the balcony, where panoramic vistas of the Sound stretch before you, creating the perfect place to enjoy sunrises, sunsets, stargazing, and the beauty of coastal living everyday. Inside, the open-concept living and dining areas are designed to showcase the home's spectacular setting. A wall of floor-to-ceiling windows spans the rear of the home, filling the space with an abundance of natural light, while framing stunning water views from nearly every angle. Anchored by a cozy fireplace, the entire space creates the perfect place to gather, relax, and enjoy the everchanging scenery of the Long Island Sound throughout the seasons. Conveniently situated near local favorites including Cedar Beach, the Mt. Sinai Yacht Club and Marina, Willow Creek Golf and Country Club, Heritage Park, and an array of shopping and dining, this home offers the perfect blend of coastal beauty and everyday living all just minutes from your doorstep! This exceptional home offers a lifestyle that's as memorable as its setting - it is more than just a home, it's a destination. Come see this rare opportunity to own a truly distinctive property in an unforgettable location, and experience the true beauty, tranquility, and uniqueness of North Shore living at its finest!

195 Shore Road, Mt. Sinai

5 Fowler Lane, Mt. Sinai
$829,999
5 Beds ⋅ 4 Baths ⋅ 1024713 MLS
Welcome to 5 Fowler Lane, a beautifully maintained 4-bedroom, 3.5-bath Center Hall Colonial offering timeless style and modern updates in the heart of Mount Sinai. This spacious home features hardwood floors throughout, extensive crown molding, an inviting den with a fireplace, and a beautifully appointed eat-in kitchen with cherry wood cabinetry, granite countertops, an oversized center island, and a premium Rinnai exhaust fan. French doors lead to a private backyard with a deck, perfect for entertaining. Recent updates include a new roof, premium siding, and replacement windows. Additional highlights include natural gas heating, a cobblestone-lined driveway, an attached two-car garage, and elegant two-tone PVC fencing surrounding the expansive backyard. The neighborhood is walking distance to the Mount Sinai schools, and to Heritage Park as well as perfectly situated between Port Jefferson Village and Cedar Beach where you can enjoy fishing boating and swimming. North Shore Rail trail, 10 miles long, for biking or walking is just steps from the house. Combining classic charm with thoughtful improvements, this exceptional home offers comfort, style, and convenience in a highly desirable Mount Sinai location.

5 Fowler Lane, Mt. Sinai

153 Constantine Way Unit #153, Mt. Sinai
$799,000
6 Beds ⋅ 5 Baths ⋅ 1038586 MLS
Welcome to this spacious residence located within a private gated community in Mount Sinai. This beautifully designed home features 6 bedrooms, 4 full bathrooms, and 1 half bathroom, offering a versatile floor plan with generous living and entertaining spaces. The six-bedroom layout provides flexibility for bedrooms, home offices, recreation areas, fitness space, guest accommodations, and other personal uses. Multiple living areas throughout the home offer ample space for both everyday living and entertaining. For added convenience, the property features a Tesla electric vehicle charger, providing at-home EV charging. Residents of the community have access to an extensive selection of amenities, including a clubhouse, indoor and outdoor heated swimming pools, tennis courts, fitness center, pool room, ballroom, and library. Buyer should independently verify community amenities, availability, fees, rules, and restrictions.

153 Constantine Way Unit #153, Mt. Sinai

3 Barnsley Crescent, Mt. Sinai
$689,000
4 Beds ⋅ 2 Baths ⋅ 1047074 MLS
Welcome to this beautifully maintained four-bedroom, three-bathroom ranch offering comfortable one-level living with a spacious, open floor plan. Gleaming hardwood floors flow throughout the main living areas, creating a warm and inviting atmosphere. 4 skylights bring an abundance of natural light throughout the home. The well-appointed bright and cheerful kitchen features granite countertops and plenty of beautiful cherrywood cabinetry, opening seamlessly to the dining and living spaces—perfect for everyday living and entertaining. Enjoy cozy nights around a wood burning fireplace in the Den. Step outside to a beautiful backyard surrounded by mature landscaping, offering a peaceful and private setting for relaxing, entertaining, taking a swim in the semi-in ground pool, or simply enjoying the outdoors. A large patio offers ample room for furniture and seating. Additional highlights include a two-car garage, central air conditioning, in ground sprinklers, and generously sized bedrooms. A wonderful opportunity to make this inviting ranch your new home!

3 Barnsley Crescent, Mt. Sinai

30 Ashland 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

85 Constantine Way, Mt. Sinai
$599,900
2 Beds ⋅ 2 Baths ⋅ 964448 MLS
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. Step through the double sliding doors and discover the expansive, private backyard- a serene spot for relaxation or entertaining. It also features a Laundry Room and one Car Garage. This Condo has a lot more details. Must see to appreciate! Enjoy the Luxury Condo living in this Desirable 24 Hour Gated Community, which includes an indoor/outdoor in-ground Pool, Tennis, Bocce, Playground, clubhouse W/Gym, and a dog run!! This home is located close to shops, schools, restaurants, and parks.

85 Constantine Way, Mt. Sinai

99 Constantine Way, Mt. Sinai
$599,000
2 Beds ⋅ 2 Baths ⋅ 1014871 MLS
Welcome to this beautiful Dover Lower End Unit! Offers an open floor plan that seamlessly blends the formal dining room and living room area, highlighted by a tray ceiling, crown molding, and a cozy fireplace with double sliding doors that lead to a private back yard. 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, Laundry room, and one-car garage. Enjoy the luxury condo living in the desirable 24-hour gated community, which includes an indoor/outdoor in-ground pool, tennis, bocce, playground, clubhouse w/gym, and a dog run. This home is located close to shops, schools, restaurants, and a park.

99 Constantine Way, Mt. Sinai

18 Chippendale Drive, Mt. Sinai
$525,000
2 Beds ⋅ 2 Baths ⋅ 1032395 MLS
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, creating the perfect space to relax or entertain in comfort throughout the seasons and all weather. The updated eat-in kitchen boasts granite countertops, while the generous primary suite offers a beautifully renovated bathroom and an oversized walk-in closet. Additional updates and features include a 4-year-old central air conditioning system, new hot water heater, new roof, six-panel doors, crown moldings, high hats throughout, new ceiling fans, Andersen windows, and fresh interior paint. The oversized garage includes a walk-up loft, offering endless possibilities as a private retreat, hobby room, home office, or additional storage. Enjoy a vibrant lifestyle with outstanding community amenities including a clubhouse, fitness center, tennis courts, bocce, and a full calendar of social activities.

18 Chippendale Drive, Mt. Sinai

62 Hearthside Drive, Mt. Sinai
$425,000
2 Beds ⋅ 2 Baths ⋅ 1033093 MLS
Welcome to this lovely end unit, ground level 2 Bedroom 2 Bath condo in the 55+ community of Strathmore Terrace in Mt. Sinai. This unit features laminate floors throughout the Hall, DR, LR and Bedrooms. The Eat in Kitchen with granite counters, SS appliances, 2 Anderson windows and a newer Anderson slider leads to a private patio area for your morning coffee or just to simply relax. Additionally, there are wood blinds throughout the home, new washer/dryer and three year old water heater. Extra storage space is provided in the patio area. This active community has amenities which include the clubhouse, pool, tennis courts, bocce, shuffleboard, fitness center and is located close to shopping, dining and beaches.

62 Hearthside Drive, Mt. Sinai

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.

The data relating to real estate for sale on this website appears in part through the SMARTMLS Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms, and is provided by SMARTMLS through a licensing agreement. Listing information is from various brokers who participate in the SMARTMLS IDX program and not all listings may be visible on the site. The property information being provided on or through the website is for the personal, non-commercial use of consumers and such information may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some properties which appear for sale on the website may no longer be available because they are for instance, under contract, sold or are no longer being offered for sale. Property information displayed is deemed reliable but is not guaranteed. Copyright 2026 SmartMLS, Inc.

How much is your home worth?

Get instant property value now!