Waterfront homes for sale on Long Island comprise beautiful variations in architectural style, size, and amenities. Whether you’re searching for a home on Great South Bay, the Peconic River or either part of the Peconic Bay, Gardiner’s Bay, or the Atlantic, you’ll find something truly spectacular here.

Waterfront Homes for Sale on Long Island

The villages and hamlets along Long Island offer a number of waterfront homes for sale, from charming single-family residences with breathtaking views to spacious estates with private beaches.

You can explore all of the waterfront homes for sale on Long Island by clicking through the images above.

Hamptons Waterfront Real Estate

The East End of Long Island—known as The Hamptons—is a group of charming hamlets and villages in Southampton and East Hampton on the South Fork. This beautiful area is home to some of the most luxurious homes in the U.S., and if you’re interested in buying here, we can assist you in finding the perfect Hamptons Waterfront real estate for sale.

Find New Waterfront Homes on Long Island

Explore new construction and recently built waterfront homes for sale by clicking through the images below.

Search Other Popular Homes for Sale on Long Island

Search Waterfront Homes for Sale by Price

Find Waterfront Homes for Sale on Long Island With an Area Expert

We can help you find waterfront homes for sale in The Hamptons or in any of the charming villages and hamlets on the island. When you're ready to explore your options, call us at 516-692-6636 or get in touch with us online. We’ll be happy to help you find your dream home on Long Island’s waterfront.

One of a kind cedar shake Hamptons style waterfront estate nestled on 4.3Ac. lush and private park like grounds. 530' of Waterfront On Champlains River, every aspect was carefully selected  & no detail was ignored. A welcoming 2 story entry, beautiful crown moldings, wide plank wood floorings, custom kit w/stainless appliances, marble countertop, open floor plan, boundless flow, barn style family room, custom barn wood bar, river stone wood burning fireplace & authentic barn wood trusses, formal living room w/silk grass cloth walls, expansive cedar deck, inground pool w/hot tub surrounded by Vermont slate, charming pergolas & covered Ritz style bed lounger, exterior wood burning fireplace, 30X40 cut in w/boat lift, t-dock w/jet ski lift & boat lift, 6' privacy Wall W/Gate, 7 Car Det Garage, skate board half pipe, full house generator, 12' elevation, $797 Fema  Premium, 2 addresses- 300 & 298 Maple St.300 Maple St. is on 1.5Ac. & 298 is a vacant buildable waterfront lot 2.7ac $5,250,000 Active

300 Maple Street Islip, New York

4 Beds 6 Baths 5,213 SqFt 1.910 Acres

Beachfront home with beautiful ocean views, 5  bedrooms, 2 Fantastic Decks, 3 Fireplaces, Lots of Parking. Has it all come see!!! $2,900,000 Active

869 Oceanfront Long Beach, New York

5 Beds 4 Baths 5,330 SqFt 0.120 Acres

Stunning elevated waterfront home fully renovated with superb craftsmanship. Hardwood front porch, cathedral entry/living room. Living room and renovated gourmet kitchen open to impressive entertaining room with panoramic views of water. 4, 8 ft sliders open to expansive hardwood deck w shade sails. Floating stairway to 1400 sf above grade bonus space and 440 sf garage. See-through wood burning fireplace, large guest room and new full bath on main floor. Loft overlooking the living room leads to master bedroom, 2 additional bedrooms and full bathroom. Spacious master bedroom has panoramic water views, walk in closet and large room for future bath. 6 foot sliders open to a flat roof ready for a 350 sf private deck overlooking water. New plumbing, electric, 9 zone heat, and radiant heat throughout main floor. New sewer and water, fire sprinkler system. FEMA compliant. Flood Insurance $600/year $850,000 Active

346 Bedell Street Freeport, New York

4 Beds 2 Baths 2,600 SqFt 0.140 Acres

Magnificent Newly Renovated Lakefront Exp Cape With Over 2400Sqft Of Living Space In West Islip! This Beautiful House Offers Resort Like Amenities Starting From Inground Pool To Kayaking and Canoeing From Your Own Backyard! A Must See Move In Ready Rare To Find 4 Bedrooms, 2 Bath With A Huge Sun Drenched Family Room Facing The Lake Will Give You The Joy Of Living On The Lakefront. House Was Gutted And Redone, Starting From Updated Kitchen With Pull-out Shelves & Quartz Countertop With New Appliances, New Baths, New Hardwood Floors Throughout, New Plumbing, New Sheetrock With Insulation, Updated Electric & New 200 Amps Panel, Updated Water Heater & Boiler. Newly Finished Basement For Lots Of Entertainment, Updated Pool With New Liner & Pump And 2 Car Garage With Lots of Storage. Incredible Big Yard Having Views Of Sunset And Swans In The Lake. Enjoy The Life On The Lakefront Property Like No Where Else! Ideal Location! Close To Major Hwys, LIRR And The Great Beaches Of The South Shore! $699,999 Active

66 Arbour Street West Islip, New York

4 Beds 2 Baths 2,427 SqFt 0.770 Acres