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321 Lagoon Drive S

Copiague, NY 11726

4 beds
3 baths
1,917 sqft
12,423 sqft lot
$510 per sqft
1984 build
– on site

Coastal Contemporary Retreat with Private Beach Access of the Great South Bay. Step into a serene blend of modern luxury and coastal charm in this stunning contemporary home, ideally located in the charming neighborhood of Copiague Harbor. Clean architectural lines, and an open-concept design flood the interior with natural light and capture uninterrupted views of the tranquil pool and backyard. This newly renovated 4 bedroom, 2.5 bath home features sleek finishes, minimalist interiors, and seamless indoor-outdoor living. The chef's kitchen includes all stainless steel Cafe appliances, quartz countertops, an island and for the added convenience, a wine cooler. For extra coziness there is a wood burning fireplace in the living area. The spacious outdoor area, includes a fully paved patio with outdoor kitchen, granite countertops, gas barbecue and a pergola and pool is surrounded by composite decking. The side yard is beautifully landscaped and enclosed. This home walking distance to the sandy shoreline. Whether you’re entertaining by the barbecue under the stars or enjoying quiet sunrise mornings with waves as your soundtrack, this residence is a true sanctuary by the Great South Bay.

Listing courtesy of ONEKEY / ALG NY Management LLC

Last checked: Checking… • Last updated Jul 13, 2025 •

MLS# 888624 —

The Building

Year Built:

1984
Basement:

false
Architectural Style:

Contemporary
Construction Materials:

Shingle Siding, Stone
Patio And Porch Features:

Patio
Year Built Effective:

1984
Building Area Units:

Square Feet
Building Area Total:

1917
Building Area Source:

Public Records
Exterior Features:

Gas Grill
Security Features:

Security System, Smoke Detector(s), Video Cameras
Laundry Features:

Gas Dryer Hookup
Attic:

Storage

Interior

Living Area:

1917
Total Rooms:

9
Interior Features:

Chefs Kitchen, Kitchen Island, Quartz/Quartzite Counters, Soaking Tub, Sound System
Fireplace Features:

Wood Burning
Fireplaces Total:

1
Fireplace:

true
Flooring:

Tile, Wood
Living Area Source:

Public Records
Additional Rooms:

Dining Area,Home Office

Financial & Terms

Lease Considered:

false

The Property

Lot Features:

Back Yard, Front Yard, Landscaped, Level, Sprinklers In Front, Sprinklers In Rear
Lot Size Acres:

0.2852
Parcel Number:

0100-185-00-02-00-044-120
Property Type:

Residential
Property Subtype:

Single Family Residence
Lot Size SqFt:

12,423 Sqft
Property Attached:

false
Property Condition:

Updated/Remodeled
Additional Parcels:

false
Waterfront:

false
Water Access:

Yes

Listing Agent

Contact info:

Taxes

Tax Year:

2024
Tax Source:

Other
Tax Annual Amount:

15981.32

Beds

Total Bedrooms:

4

Baths

Full Baths:

2
Half Baths:

1
Total Baths:

3

The Listing

Special Listing Conditions:

None

Heating & Cooling

Heating:

ENERGY STAR Qualified Equipment, Natural Gas, Solar
Cooling:

Electric, Wall/Window Unit(s)

Utilities

Sewer:

Public Sewer
Utilities:

Cable Connected, Electricity Connected, Natural Gas Connected
Water Source:

Public
Electric Company:

Pseg
Solar Ownership:

Leased

Appliances

Appliances:

Cooktop, Dishwasher, Dryer, ENERGY STAR Qualified Appliances, Exhaust Fan, Gas Cooktop, Gas Range, Microwave, Oven, Refrigerator, Stainless Steel Appliance(s), Washer, Gas Water Heater, Wine Refrigerator

Schools

High School:

Walter G O'connell Copiague High Sch
Elementary School:

Deauville Gardens East Elementary
High School District:

Copiague
Middle School:

Copiague Middle School
Elementary School District:

Copiague
Middle School District:

Copiague

The Community

Association:

true
Senior Community:

false
Additional Fees:

Yes
Subdivision Name:

Copiague Harbor
Association Fee:

200
Additional Fees Amount:

$200
Additional Fee Frequency:

Annually
Association Fee Frequency:

Annually
Pool Features:

Above Ground, Outdoor Pool, Vinyl
Pool Private:

true
Association Fee Includes:

Other

Parking

Parking Features:

Driveway, Garage, Garage Door Opener
Parking Total:

4
Garage:

true
Garage Spaces:

1
Carport:

false

Extra Units

Other Structures:

Outdoor Kitchen, Pergola

Monthly cost estimate

Asking price

$979,000

Expense	Monthly cost
Mortgage	$5,242
Taxes	$1,331
Insurance	$269
HOA fees	$17
Utilities	$235 See report
Total	$7,094/mo.^*
	^*This is an estimate

Explore the Area

My Commute

From

Walk Score®

Provided by WalkScore® Inc.

Bike Score®

Provided by WalkScore® Inc.

Air Pollution Index

Provided by ClearlyEnergy

Sale history

Date	Event	Source	Price	% Change
7/13/25 Jul 13, 2025	Listed / Active	ONEKEY	$979,000	95.8% (19.5% / YR)
8/12/20 Aug 12, 2020		ONEKEY	$500,000

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This house located in Copiague Harbor, Copiague, NY 11726 is currently for sale for $979,000. 321 Lagoon Drive S is a 1,917 square foot house with 4 beds and 3 baths that has been on Estately for 0 days. 321 Lagoon Drive S is in the Copiague Harbor neighborhood of Copiague and has a WalkScore® of 6, making it car-dependent. This house is in the attendance area of Copiague Middle School and Walter G O'Connell Copiague High School.

Listing Courtesy of: ONEKEY and ALG NY Management LLC.

IDX information is provided exclusively for consumers’ personal non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS.

Based on information submitted to the MLS GRID. 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.