Welcome to “Salt Life” at Great South Bay Estates! Come and join the lifestyle of this exclusive beach and boating community deep into the Great Neck peninsula of Copiague Harbor – X-Zone! NO FLOOD INSURANCE REQUIRED! Just a few houses from the Great South Bay, this huge, sun-drenched, expanded Custom Colonial offers oversized windows, 3-4 large Bedrooms, including a main suite with dressing alcove, full bath and WIC; and 2 additional full baths, one with a jetted, soaker tub! The stylish, well-appointed eat-in-kitchen with breakfast nook comes dressed with granite counters and Stainless Steel appliances and features a gas stovetop plus built-in microwave and separate wall oven with convection cooking! The adjacent room is spacious for gatherings and spills into the first-floor, fully windowed Sunroom with additional seating and lounging areas offering views of the well-landscaped yard. The formal Dining Room with its front bump-out can accommodate even those wandering beyond the dinner table, while the living room features a gas fireplace for additional warmth and ambience. There’s even a first-floor billiard/game room with a bay window and outside entrance. While the second floor accommodates the sleeping quarters, it also features a spacious second Sunroom with spiral stairs to the backyard and patio. This spacious home is heated by a newer gas furnace circulating hot water through 4 zones of baseboard convection radiators, while a newer, hot water storage tank provides domestic hot water and the newer C/AC cools in summer along with direct vent, A/C and heat units in each of the enclosed sunrooms. If needed, the flexible floorplan can adjust to a first-floor bedroom suite with full bath. Close proximity to the bay with marina and private beach rights included for required $200 annual HOA fee. Boat docking is also available. This is a large, custom home on an oversized lot in a resort-style community, and it’s waiting for you!
Listed by Chris E. Costa
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Coldwell Banker American Homes
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516-798-4100
Last updated April 30, 2026
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Source: OneKey #982616
Listing Facts
TypeSingle-family
NeighborhoodCopiague Harbor
Bedrooms4
Bathrooms3
Days on Prevu23
HOA/Maint. Fees$200/annual
Taxes$19,051/year
Size3,588 sqft
Price per sqft$237
Amenities
Dishwasher
Private Outdoor Space
Washer/Dryer
Air Conditioning
Parking
Location
Mortgage Calculator
Listing History
04/08/2026
Listed by Coldwell Banker American Homes
$849,990
Property Details for 16 Seaway Drive
Association
Amenities
Community Features: Other, Park, Playground, Powered Boats Allowed
Fees
Association Fee: $200.00 Annually
Association Fee Includes: Other
General
Association Name: Great South Bay Estates Http://Www.Copiagueharbor.
Exterior
Construction
Property Condition: Actual
Window Features: Bay Window(s), Oversized Windows, Skylight(s), Wall Of Windows
Year Built: 1976
Architectural Style: Colonial
Construction Materials: Frame, Vinyl Siding
Features
Fencing: Fenced
Patio And Porch Features: Deck
Measurements
Building Area Total: 3,588
Building Area Units: Square Feet
Lot Features: Back Yard, Front Yard, Landscaped, Level, Private
Lot Size Acres: 0.28
Lot Size Dimensions: 100,125
Lot Size Square Feet: 12,500
Financial
Taxes
Parcel Number: 0100-185-00-02-00-044-051
Tax Annual Amount: $19,051.00
Tax Year: 2025
Interior
Features
Appliances: Convection Oven, Cooktop, Dishwasher, Dryer, Gas Cooktop, Microwave, Oven, Refrigerator, Stainless Steel Appliance(s), Washer, Gas Water Heater
Fireplace Features: Living Room, Masonry, Wood Burning
Fireplace: Yes
Flooring: Combination
Interior Features: First Floor Bedroom, First Floor Full Bath, Breakfast Bar, Built-in Features, Chandelier, Eat-in Kitchen, Entrance Foyer, Formal Dining, Granite Counters, High Speed Internet, Kitchen Island, Pantry, Primary Bathroom, Soaking Tub, Storage, Walk-In Closet(s), Washer/Dryer Hookup, Wet Bar
Spa Features: Bath
Measurements
Living Area: 3,588
Living Area Source: Public Records
Rooms
Bathrooms Full: 3
Bathrooms Total Integer: 3
Bedrooms Total: 4
Rooms Total: 12
Other
Location
Subdivision Name: Copiague Harbor
Tax Block: 2
Tax Lot: 44.05
Parking
Parking
Parking Features: Driveway
Schools
Elementary School
Elementary School: Susan E Wiley School
Elementary School District: Copiague
High School
High School: Walter G O'Connell Copiague High Sch
High School District: Copiague
Middle or Junior School
Middle Or Junior School: Copiague Middle School
Middle Or Junior School District: Copiague
Utilities
Equipment
Cooling: Central Air
Heating: Hot Water
Laundry Features: In Bathroom
Sewer: Public Sewer
Utilities: Cable Connected, Electricity Connected, Natural Gas Connected, Sewer Connected, Trash Collection Public, Underground Utilities, Water Connected
Water Source: Public
Frequently Asked Questions
How many bedrooms and bathrooms does this single-family home have?
There are 4 bedrooms and 3 bathrooms in this single-family home at 16 Seaway Drive.
What schools are nearby to 16 Seaway Drive?
Nearby schools include the Susan E Wiley School Elementary School, Copiague Middle School, and Walter G O'Connell Copiague High Sch.
What are the annual taxes for 16 Seaway Drive?
Annual taxes for this single-family home are estimated at $19,051.
How does 16 Seaway Drive compare to other single-family homes in Copiague Harbor?
This single-family home is listed 31% below the average price for single-family homes in Copiague Harbor and has been on the market for 65 less days than the typical home in this area.
What building or home owners association is the single-family home part of?
This single-family home is part of the Great South Bay Estates Http://Www.Copiagueharbor. home owners association.
What is the square footage on this single-family home?
According to the MLS, this listing is 3,588 sqft.
16 Seaway Drive is a 4-bedroom, 3-bath single-family home for sale in Copiague NY 11726. Listed on Prevu for 23 days at $849,990. This property features 3,588 square feet of living space, located in Suffolk County. The median listing price for single-family homes in this area is $1,099,000. Nearby schools include Susan E Wiley School Elementary School, Copiague Middle School, and Walter G O'Connell Copiague High Sch. The home offers private outdoor space, dishwasher, air conditioning, parking, and washer/dryer. Explore more single-family home listings in Suffolk County.
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