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16 Seaway DriveCopiague, NY 11726

For Sale

$849,990

Smart Buyer Rebate $8,500

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.

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey™ MLS. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. Information Copyright 2026, OneKey™ MLS. All Rights Reserved.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.