Long Island, NY Homes for Sale with In-Law Suite

• 

  

  

  /48

  $8,999,999

  • 6 Beds
  • 9 Baths
  • 8,500 Sq Ft

  18 Gwynne Rd, Melville, NY 11747

  This Gated Majestic Brick Manor, features 6-bedroom, 6-bath, 3-powder rooms and sits at one of the highest points on Long Island surrounded by lush parkland and English gardens for the ultimate in serenity and privacy. This one-of-a-kind property has its own, FAA recognized, helipad which allows you the luxury to fly over traffic to NYC or the Hamptons with ease. This Estates sophisticated

  Michelle Labarbera Nest Seekers LLC

  18 Gwynne Rd, Melville, NY 11747
• 

  

  

  /31

  $1,100,000 Open Sun 2PM - 3:30PM

  • 4 Beds
  • 5 Baths
  • 2,288 Sq Ft

  330 Bayville Ave, Bayville, NY 11709

  A Rare Opportunity! Exclusive Single-Family / Mother-Daughter Home with Private Beach AccessWelcome to this exceptional, fully detached single-family residence just steps from the ocean offering the perfect combination of privacy, comfort, and coastal luxury. Whether you’re seeking a primary home or a refined vacation retreat, this property delivers an unparalleled lifestyle experience.

  Ephraim Pizante Massada Realty Inc

  330 Bayville Ave, Bayville, NY 11709
• 

  

  

  /50

  $4,995,000 Open Sun 10:30AM - 12PM

  • 6 Beds
  • 6.5 Baths
  • 5,920 Sq Ft

  2590 Cox Neck Rd, Mattituck, NY 11952

  Brand new exquisite waterfront 6 bedroom, 7 bathroom home set on 1.33 acres along coveted Mattituck Inlet in the heart of the North Fork, this exceptional waterfront retreat spans approximately 5,920 square feet of refined living space, blending classic Hamptons-style cedar-shingle architecture with a sophisticated, contemporary interior. Designed for both elegance and everyday comfort, the home

  Susan Orioli Engel & Volkers North Fork

  2590 Cox Neck Rd, Mattituck, NY 11952
• 

  

  

  /9

  $1,300,000

  • 5 Beds
  • 3.5 Baths
  • 3,125 Sq Ft

  22 Arlington Terrace, Lake Grove, NY 11755

  Accomplished Hampton’s Builder to create this To-Be-Built, 5 Bedroom, 3.5 Bath, Post Modern Beauty with luxurious, stunning detail and finishes throughout! Full Energy Star Rated Home! Plenty of time to customize with your desired preferences as well. You will be captivated by the moment you enter this Residence by the thoughtful and creative design and craftsmanship both inside and out! The

  Richard Connelly Douglas Elliman Real Estate

  22 Arlington Terrace, Lake Grove, NY 11755
• 

  

  

  /8

  $1,300,000

  • 5 Beds
  • 3.5 Baths
  • 3,125 Sq Ft

  1247 Stony Brook Rd, Lake Grove, NY 11755

  Accomplished Hampton’s Builder to create this To-Be-Built, 5 Bedroom, 3.5 Bath, Post Modern Beauty with luxurious, stunning detail and finishes throughout! Full Energy Star Rated Home! Plenty of time to customize with your desired preferences as well. You will be captivated by the moment you enter this Residence by the thoughtful and creative design and craftsmanship both inside and out! The

  Richard Connelly Douglas Elliman Real Estate

  1247 Stony Brook Rd, Lake Grove, NY 11755
• 

  

  /36

  $1,949,000

  • 5 Beds
  • 4.5 Baths
  • 4,025 Sq Ft

  16 Robin Ct, Glen Cove, NY 11542

  This Luxurious Lattingtown Ponds Lifestyle awaits you. This Exquisite Gated Community sits on 63 Lush Acres with only 56 homes offering the ultimate in privacy and tranquility. Welcome to this Stunning and Spacious Fully Renovated Home Overlooking the Beautiful Pond and Fountain offering, Two Story Entry Foyer, Formal Living Rm with Soaring Ceilings and Mantled Fireplace, Formal Dining Room, Den

  Mishelle Berger Calo Compass Greater NY LLC

  16 Robin Ct, Glen Cove, NY 11542
• 

  

  /37

  $1,649,900

  • 4 Beds
  • 3 Baths
  • 2,855 Sq Ft

  135 Ocean Ave, Massapequa, NY 11758

  Waterfront luxury meets modern comfort at this reintroduced gated compound in Biltmore Shores. Set on an impressive 314 foot deep property from curb to bulkhead, this home offers the best of coastal living with a 20x40 inground pool, spa, patio, upper deck, and private boat slips along a scenic canal just off Massapequa Cove. This 4 bedroom, 3 bath home offers flexible living, including the

  Aaron Bates Real Broker NY LLC

  135 Ocean Ave, Massapequa, NY 11758
• 

  

  /42

  $1,250,000 Open House 5/02

  • 4 Beds
  • 3.5 Baths
  • 2,600 Sq Ft

  36 Vanderbilt Ave, Saint James, NY 11780

  Saint James Colonial in Smithtown Schools, built 1998, on a quiet cul-de-sac. A grand two-story foyer leads to formal living and dining rooms, a fireplace family room, and an eat-in kitchen with granite countertops. Off the rear, a glass-wrapped sunroom overlooks the backyard and opens to a large composite deck. Main level highlights include hardwood floors, powder room, and laundry. Two-car

  David Friedman Howard Hanna Coach

  36 Vanderbilt Ave, Saint James, NY 11780
• 

  

  /41

  $2,599,000

  • 5 Beds
  • 3.5 Baths
  • 5,524 Sq Ft

  8 September Ln, Glen Cove, NY 11542

  Enjoy Hamptons style living on Glen Cove's Gold Coast. Stunning waterviews from almost every room, multiple decks and rooftop of the Long Island Sound, Dosoris Pond and NY skyline can be seen from this homes' unique high vantage point. ALL NEW RENOVATIONS COMPLETED 2022!! As you enter the newly paved stone driveway with parking for multiple vehicles, you are surrounded with lush gardens and

  Lisa Kasparian Douglas Elliman Real Estate

  8 September Ln, Glen Cove, NY 11542
• 

  

  /31

  $2,449,000

  • 4 Beds
  • 3.5 Baths
  • 2,828 Sq Ft

  147 W Bayberry Rd, Islip, NY 11751

  Location, location, location! Welcome to 147 W Bayberry Rd - a rare waterfront masterpiece. Completely reimagined in 2025, this fully auto gated estate offers 3,500 sq. ft. of luxurious living space on a full acre with a private beach and new bulkhead. 2 EV Charging ports in garage. Perfectly positioned on one of only two historic Bayberry Point peninsulas, dating back to the 1700s, the home

  Irene Lockel Netter Real Estate Inc

  147 W Bayberry Rd, Islip, NY 11751
• 

  

  /34

  $750,000 Open Sat 12PM - 2PM

  • 4 Beds
  • 2 Baths
  • 1,782 Sq Ft

  320 W 11th St, Deer Park, NY 11729

  Charming Fully Renovated Cape Cod ResidenceThis delightful stone and shingle Cape is nestled on a manicured lot on a quiet, tree-lined street. Featuring 4 bedrooms and 2 full baths, this lovely home has an open floor plan that includes a spacious living room with a picture window, a dining room, and a gorgeous eat-in-kitchen with custom cabinets, granite counters, stainless-steel appliances,

  John Messina Daniel Gale Sothebys Intl Rlty

  320 W 11th St, Deer Park, NY 11729
• 

  

  /27

  $2,899,000

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

  108 Tanners Pond Rd, Garden City, NY 11530

  THIS IS THE ONE! PRICE IMPROVED! Welcome to 108 Tanners Pond Road, a stunning home that blends luxury and comfort. A dramatic marble foyer with soaring ceilings sets the tone, flowing into spacious living areas with 5-inch red oak hardwood floors. The gourmet kitchen boasts quartzite countertops, Sub-Zero and Wolf appliances, and a large pantry, perfect for both everyday living and entertaining.

  Laura Carroll Compass Greater NY LLC

  108 Tanners Pond Rd, Garden City, NY 11530
• 

  

  /29

  $689,000

  • 5 Beds
  • 2.5 Baths
  • 1,643 Sq Ft

  22 Herman Ave, North Babylon, NY 11703

  *Fully available*Welcome to 22 Herman Ave! This charming expanded Cape includes 5 bedrooms and 2.5 baths. This bright, light-filled home features a thoughtfully designed layout with a large rear dormer, a sweet sunroom, and a full finished basement with an outside entrance for each level—offering endless potential for a mother-daughter setup or generational living with the proper permits.

  David Jaramillo Realty Connect USA L I Inc

  22 Herman Ave, North Babylon, NY 11703
• 

  

  /25

  $1,288,000

  • 4 Beds
  • 2 Baths
  • 1,500 Sq Ft

  16 Lilac Rd, Westhampton Beach, NY 11978

  Escape to Your Hamptons Haven: Split-Level Home with Heated Pool on a Sprawling .45-Acre Lot! Imagine owning a slice of Westhampton Beach Village paradise! This 4-bedroom, 2-bathroom split-level gem, nestled on a generous, fenced .45-acre lot, is bursting with potential to become your dream coastal retreat. Just a short stroll from Main Street’s vibrant shops, cozy restaurants, charming coffee

  Lisa Semeraro Kerrigan Country Realty

  16 Lilac Rd, Westhampton Beach, NY 11978
• 

  

  /42

  $2,995,000

  • 4 Beds
  • 4 Baths
  • 3,300 Sq Ft

  22 W Gate Rd, Wainscott, NY 11975

  Step into this fully renovated 4-bedroom, 4-bathroom home offering over 3,300 sq. ft. of living space on 0.52 acres in the heart of Wainscott. Designed for exceptional versatility, the layout includes two primary bedroom suites with walk-in closets—one on the main level and one upstairs—along with additional rooms ideal for a home office, studio, or guest accommodations. The main-floor primary

  Jake Kelly Serhant East End LLC

  22 W Gate Rd, Wainscott, NY 11975
• 

  

  /35

  $1,120,000

  • 5 Beds
  • 3.5 Baths
  • 3,174 Sq Ft

  3 Earl Rd, Melville, NY 11747

  HUGE interior! • 3200 sqft - 5 bdr, 3.5 bath• Everything gut renovated in 2018-19 | new and improved• Low taxes: ~$15k• First floor extended with large ensuite - perfect for extended family• 2 large master bedrooms upstairs - one with ensuite bathroom• Chef's kitchen - open concept• 3 zone central a/c and heating• Foyer/mudroom with coat closet• Walk-in closets in

  Jacob Kaganowski Contact Realty II Corp

  3 Earl Rd, Melville, NY 11747
• 

  

  /18

  $900,000

  • 3 Beds
  • 2 Baths
  • 1,200 Sq Ft

  30 Fords Ln, Southampton, NY 11968

  Come see this 3br, 2bth Ranch home which facilitates a Master bedroom located in a quiet neighborhood on a dead end street. Opportunity is knocking for a great investment!!! Affordable taxes, 5 minute driving distance from Sunrise Hwy, golf courses, beaches and schools.

  Charlie Green Realty Connect USA L I Inc

  30 Fords Ln, Southampton, NY 11968
• 

  

  /29

  $3,690,000

  • 6 Beds
  • 5.5 Baths
  • 5,969 Sq Ft

  835 Barberry Ln, Woodmere, NY 11598

  Elegant Stone Home with Modern Comfort and Timeless CharmA rare find—this stately stone residence pairs classic architectural beauty with today’s most desirable amenities, all set amid lushly landscaped grounds.Experience the perfect blend of timeless elegance and contemporary convenience in this stunning home. Surrounded by mature shrubbery, outdoor lighting, and a multi-zone underground

  Milka Forst Milky Forst Properties Inc

  835 Barberry Ln, Woodmere, NY 11598
• 

  

  /48

  $2,899,999

  • 6 Beds
  • 6.5 Baths
  • 7,304 Sq Ft

  23 Gloria Ln, Huntington, NY 11743

  This spacious and versatile home offers exceptional living space across two thoughtfully designed levels, featuring 9-foot ceilings and wide plank hardwood floors throughout. The grand first floor features a large living room, dining room and family room with gas fireplace that is open to the kitchen. The kitchen offers radiant heat tile flooring, granite countertops, a large center island,

  Nikki Sturges Daniel Gale Sothebys Intl Rlty

  23 Gloria Ln, Huntington, NY 11743
• 

  

  /50

  $2,799,990

  • 7 Beds
  • 6.5 Baths
  • 8,300 Sq Ft

  9 Swan Place, Saint James, NY 11780

  Welcome to this renovated, move-in ready private sanctuary at 9 Swan Place, Nissequogue, just steps from Stony Brook Harbor, a masterfully designed estate offering elegance and modernity in over 8,300 square feet of luxurious living space. The grand double-height entry foyer welcomes you with newly updated interiors, including fresh paint and renovated bathrooms, setting the tone for this

  Lisa Minuto Compass Greater NY LLC

  9 Swan Place, Saint James, NY 11780
• 

  

  /37

  $7,300,000

  • 9 Beds
  • 12 Baths
  • 17,587 Sq Ft

  60 Piping Rock Rd, Glen Head, NY 11545

  Welcome to GRAY HORSE FARM - Just Updated & Renovated for 2025 luxury living! Recently transformed with a gut-renovated Top of the line chef's kitchen with new cabinets, countertops, backsplash, floor, and high-end appliances. There are six new designer bathrooms, all-new recessed lighting throughout, upgraded 800-AMP electric and utility systems. This grand estate seamlessly blends timeless

  Aileen Murstein Compass Greater NY LLC

  60 Piping Rock Rd, Glen Head, NY 11545
• 

  

  /37

  $2,475,000

  • 5 Beds
  • 4.5 Baths
  • 6,211 Sq Ft

  115 Highland Rd, Southampton, NY 11968

  Southampton Sanctuary with Space to SpareSet on an expansive 1.68 acre parcel in a peaceful Southampton setting, this five-bedroom, four-and-a-half-bathroom home offers generousproportions, timeless warmth, and resort-style amenities inside and out. A gracious entry leads to a dramatic double-height living roomanchored by a soaring stone fireplace and walls of windows that fill the

  Denise Rosko Hamptons Realty Associates LLC

  115 Highland Rd, Southampton, NY 11968
• 

  

  /50

  $2,495,000

  • 5 Beds
  • 5 Baths
  • 5,287 Sq Ft

  3 Fairview Ln, Glen Cove, NY 11542

  Stunning professionally designed and renovated 5 bed 5bth brick and siding colonial. No expense spared in this immaculate over 5000 sf modern open floor plan water view home. Sundrenched two story formal living room with marble fireplace open to the designer formal dining room which leads into the chef's dream eat in kitchen with professional appliances (over 100k appliance package Thermador,

  amalia makroglou Shore Estates Realty Inc

  3 Fairview Ln, Glen Cove, NY 11542
• 

  

  /33

  $4,575,000

  • 6 Beds
  • 8.5 Baths
  • 4,900 Sq Ft

  161 South Rd, Westhampton, NY 11977

  Stunning New Construction in Westhampton with Rare 2 Story 4 Seasons Guest house on 1.5 Waterfront Acres with Bay Access. A newly constructed masterpiece by esteemed CMT Builders, this nearly 1.5-acre waterfront estate,positioned on the Westhampton Beach Village fringe, sets a new benchmark for modern Hamptons living. Positioned along the peaceful waters of Tanners Neck Creek with distant views

  Robert Canberg Nest Seekers International LLC

  161 South Rd, Westhampton, NY 11977
• 

  

  /42

  $1,399,999

  • 6 Beds
  • 4.5 Baths
  • 4,500 Sq Ft

  16 Abbey Ln Unit 116, Setauket, NY 11733

  A rare opportunity offering true versatility—this beautifully maintained Colonial in East Setauket features a legal, owner-occupied accessory apartment, creating the perfect “two homes in one” setup. Ideal for extended family, guests, or additional income, the private two-bedroom, townhouse-style apartment includes its own entrance, separate deck, modern open layout, and a spa-like bathroom with

  Renee Milani Douglas Elliman Real Estate

  16 Abbey Ln Unit 116, Setauket, NY 11733
• 

  

  /24

  $999,999

  • 5 Beds
  • 3.5 Baths
  • 1,882 Sq Ft

  11538 238th St, Elmont, NY 11003

  Welcome to your next home — a spacious and versatile 5-bedroom, 3-bath property that blends comfort, convenience, and location all in one. Nestled just 2 blocks from the Cross Island Parkway, this home offers unbeatable access to all major routes, making your commute or weekend getaways effortless.You’re also only 2 blocks from Dutch Broadway, a bustling hub with everything you could want

  hassan shah Keller Williams Realty Greater

  11538 238th St, Elmont, NY 11003
• 

  

  /49

  $9,800,000

  • 8 Beds
  • 13 Baths
  • 13,500 Sq Ft

  6B Blue Sea Ln, Kings Point, NY 11024

  Originally built in 1880 as part of the 200-acre Mott family farm, 6B Blue Sea Lane originally named ‘Gracefield’, was transformed into a stately Federal-style mansion in 1909 by renowned architect James W. O’Connor for William Russell Grace, former New York City mayor and founder of W.R. Grace & Co. Meticulously restored to its original splendor, this architectural masterpiece now blends

  Jason Friedman Daniel Gale Sothebys Intl Rlty

  6B Blue Sea Ln, Kings Point, NY 11024
• 

  

  /9

  $2,290,000

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

  18 Bell Cir, Port Jefferson, NY 11777

  Incorporated Vill. of Belle Terre , New Construction on flat 1 acre , 5 bedrooms 4.5 baths, 5000 sqft , winter water views, Grand 2 Story Entry, 9' ft First floor 8' 2nd floor with 10'6" tray ceilings, 9' basement w/ outside entrance, Cedar Impressions shingles,Limited Lifetime year Architectural Shingle & Standing Seam Roof, All Electrical Appliances, 6-7" Oak Flooring Throughout, UpGraded

  Brian Hickey Hickey & Smith REALTORS

  18 Bell Cir, Port Jefferson, NY 11777
• 

  

  /26

  $3,550,000

  • 6 Beds
  • 7 Baths
  • 7,086 Sq Ft

  15 Hoffstot Ln, Port Washington, NY 11050

  Welcome to 15 Hoffstot Lane, a stunning stucco and terracotta-roofed Colonial home, offering panoramic views of the water and marshlands. Nestled at the end of a long, private, tree-lined driveway within the prestigious Village of Sands Point, this custom-built, hilltop residence is designed to fully embrace the property’s breathtaking landscape and serene vistas of preserved wetlands and the

  Jason Friedman Daniel Gale Sothebys Intl Rlty

  15 Hoffstot Ln, Port Washington, NY 11050
• 

  

  /22

  $11,750,000

  • 8 Beds
  • 9 Baths
  • 12,703 Sq Ft

  10 Lands End Rd, Locust Valley, NY 11560

  Set on a serene 11+ acre waterfront parcel on the coveted Gold Coast of Long Island, The Manor at Lands End stands as one of the last truly prestigious estates of its kind. This breathtaking compound, steeped in history, offers a rare opportunity to own with limitless views of Frost Creek and the glistening Long Island Sound. Originally a circa 1850 farmhouse, the estate was reimagined by the

  Jason Friedman Daniel Gale Sothebys Intl Rlty

  10 Lands End Rd, Locust Valley, NY 11560
• 

  

  /36

  $9,900,000

  • 10 Beds
  • 11 Baths
  • 7,683 Sq Ft

  214 Cleft Rd, Mill Neck, NY 11765

  Magnificent Mill Neck Estate situated on 11.79 picturesque acres. This Well Appointed & Recently Remodeled French Normandy Style Manor Home Boasts Exquisite Craftsmanship & Custom Details W/ Intricate Marble & Hardwood Parquet Flooring Throughout. Features include a Grand Formal Entry with sweeping Marble Staircase, Banquet size Formal Dining room, Large Formal Living room, both main & second

  Robert Olita Douglas Elliman Real Estate

  214 Cleft Rd, Mill Neck, NY 11765
• 

  

  /36

  $11,000,000

  • 6 Beds
  • 6.5 Baths

  157 Dune Rd, Quogue, NY 11959

  Step into a realm of pure Resort Style living and waterfront splendor within this newly designed Hamptons Bayfront masterpiece. Behind the estate gate, graciously situated on a serene and meticulously maintained 1.4 acres, ensconced by vibrant gardens and exquisite specimen plantings, this distinguished Bayfront residence finds its place along the illustrious Dune Road. Here, where luxury living

  Robert Canberg Nest Seekers International LLC

  157 Dune Rd, Quogue, NY 11959
• 

  /2

  $2,549,000

  • 5 Beds
  • 5.5 Baths
  • 6,000 Sq Ft

  29 Patience Ln, Westbury, NY 11590

  Welcome to 29 Patience Lane, Salisbury — a truly bespoke luxury residence by Pal Lux Homes, offering approximately 6,000 sq ft of refined living space thoughtfully designed for today’s most discerning buyer. This extraordinary home features a fully finished lower level with a full bathroom, Italian marble finishes, and a private outside entrance—ideal for extended living, recreation, or guest

  Harnoor Bhullar Property Professionals Realty

  29 Patience Ln, Westbury, NY 11590
• 

  

  /37

  $1,188,000 Open Sat 11AM - 1PM

  • 4 Beds
  • 3 Baths
  • 2,498 Sq Ft

  15 Chadwick Rd, Syosset, NY 11791

  Welcome to this well-maintained and sun-filled home at 15 Chadwick Road, offering a blend of space, functionality, and flexibility. Located in the heart of Syosset, this home not only showcases strong curb appeal on the outside with its private driveway, stone pavers, and covered porch but also boasts a bright, open layout with hardwood floors on the inside. The unique layout of the house stands

  Christina Lau-Wang Signature Premier Properties

  15 Chadwick Rd, Syosset, NY 11791
• 

  

  /38

  $749,000 Open Sat 11AM - 12:30PM

  • 4 Beds
  • 4 Baths
  • 1,796 Sq Ft

  77 Tyrconnell Ave, Massapequa Park, NY 11762

  Welcome Home To This Meticulously Kept Expanded Cape Nestled Mid-Block Within The Incorporated Village Of Massapequa Park & In The Award Winning Massapequa School District Featuring 4 or 5 Bedrooms, 2 Full & 2 Half Bathrooms, A Beautiful Open Kitchen w/ Island, An Expanded & Open Living Room/Dining Room Area, Natural Gas Heating, Cooking & Fireplace, Second Level Offers Mother Daughter Potential,

  Ron Zimmerman Keller Williams Realty Elite

  77 Tyrconnell Ave, Massapequa Park, NY 11762
• 

  /2

  $599,999 Coming Soon

  • 5 Beds
  • 2 Baths
  • 1,197 Sq Ft

  Unlisted Address

  Fully renovated ranch with an amazing layout. This includes a new roof, siding, windows, doors, kitchen with stainless steel appliances, and bathroom. This house is suitable for everyone and comes equipped with a bonus suite with a separate entrance that can be used as an accessory apartment with proper permits.

  Dwayne Baldwin Island Advantage Realty LLC

  Unlisted Address
• 

  /2

  $1,399,000 Open Sun 11AM - 1PM

  • 4 Beds
  • 3 Baths
  • 3,192 Sq Ft

  6 Laurel Way, Sea Cliff, NY 11579

  Set within the Incorporated Village of Sea Cliff with views of Hempstead Harbor and moments from Tappen Beach, the marina, and the Sunset Grill, this striking Mid-Century Modern residence offers approximately 3,200 square feet of living space across two levels. Four bedrooms include a private primary suite, three full bathrooms, and a finished lower level perfect for extended living — all within

  Damian Ross Daniel Gale Sothebys Intl Rlty

  6 Laurel Way, Sea Cliff, NY 11579
• 

  

  /14

  $849,900

  • 5 Beds
  • 2.5 Baths
  • 2,440 Sq Ft

  2842 Dahlia Ave, Baldwin, NY 11510

  Legal 2-Family Wide-Line Hi-Ranch in Prime Baldwin Location! This spacious home offers bright, well-proportioned living spaces and a functional layout across multiple levels. The upper level showcases hardwood flooring and an open, comfortable flow between the main living areas, with a primary bedroom featuring a private half bath. The main level provides additional living space with generous

  Dina Reynolds VYLLA Home

  2842 Dahlia Ave, Baldwin, NY 11510

Showing Results 121 - 158, Page 4 of 4