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$585,000
5 Days On Site

17 Riverside Avenue
Mastic Beach, NY 11951

For Sale|Single Family Residence|Active
4
Beds
3
Total Baths
2
Full Baths
1
Partial Bath
1,272
SqFt
$460
/SqFt
1982
Built
County:
Suffolk
Listing courtesy of Handsome Real Estate Inc karen.clark@handsomere.com
17 Riverside Avenue17 Riverside Avenue17 Riverside Avenue17 Riverside Avenue
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Monthly Payment (Est.)

$2,669
Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2026 Information is deemed reliable but not guaranteed.

Come see this spacious 4-bedroom, 2.5-bath waterfront home featuring an open floor plan where you can enjoy breathtaking sunrise views over the water. The property offers a large private bulkhead capable of accommodating up to three boats, making it ideal for boating and waterfront living. This home also includes a well-designed in-law suite, offering flexibility and additional living space. Conveniently located near William Floyd Parkway and Montauk Highway, providing easy access to shopping, dining, and major commuter routes. Enjoy close proximity to local outdoor attractions, including Smith Point County Park, Mastic Beach Conservancy, and the scenic trails and wildlife at Wertheim National Wildlife Refuge. A rare opportunity to own a waterfront home with boating access, nearby beaches, and convenient transportation.

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Listing Snapshot
Price 
$585,000
Days On Site 
5 Days
Bedrooms 
4
Inside Area (SqFt) 
1,272 sqft
Total Baths 
3
Full Baths 
2
Partial Baths 
1
Lot Size 
0.25 Acres
Year Built 
1982
MLS® Number 
955567
Status 
Active
Property Tax 
$10,102.69
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
6 days agoListing first seen on site
6 days agoListing updated with changes from the MLS®
General Features
Acres 
0.25
Parking 
Driveway
Property Sub Type 
Single Family Residence
Sewer 
Cesspool
SqFt Total 
1272
Style 
Raised Ranch
Utilities 
Cable ConnectedElectricity ConnectedWater Connected
Water Source 
Public
Interior Features
Appliances 
DishwasherDryerElectric RangeRefrigeratorStainless Steel Appliance(s)
Cooling 
Wall/Window Unit(s)
Fireplace 
Yes
Heating 
Baseboard
Interior 
Cathedral Ceiling(s)Ceiling Fan(s)Eat-in KitchenHigh CeilingsOpen FloorplanRecessed LightingTray Ceiling(s)
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Exterior Features
Construction Details 
Shingle Siding
Community Features
School District 
William Floyd
Schools
School District
William Floyd
Elementary School
Nathaniel Woodhull Elementary School
Middle School
William Floyd Middle School
High School
William Floyd High School
Listing courtesy of Handsome Real Estate Inc karen.clark@handsomere.com


Based on information submitted to the MLS GRID as of 2026-02-01 04:43 PM EST. 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.

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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