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    1 home
      1 home available
      17 Riverside Avenue, Mastic Beach, NY 11951
      NEW 3 hrs ago
      17 Riverside Avenue, Mastic Beach, NY 11951
      $585,000
      4beds
      2.5bath
      1,272sqft
      0.25acres
      House for Sale

      17 Riverside Avenue, Mastic Beach, NY 11951

      Listing by: Handsome Real Estate Inc
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      Copyright © 2026 OneKey® MLS LLC
      Display of MLS Data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals.
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      Membio
      OneKey® MLS
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      17 Riverside Avenue, Mastic Beach, NY 11951
      NEW 3 hrs ago
      $585,000
      4beds
      2full,1half bath
      1,272sqft
      0.25acres

      17 Riverside Avenue, Mastic Beach, NY 11951

      City/Town:Mastic Beach   Post Office: Mastic Beach     

      House for Sale by Karen ClarkHandsome Real Estate Inc.

      Data checked -. Listing last updated 3 hours ago.
      1. Overview
      2. Details
      3. More 

      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.

      Internet Serviceability
      Details
        Property type
      Residential
        Year built
      1982
        Heating
      Baseboard
        Cooling
      Wall/Window Unit(s)
        Total rooms
      12
        Garage
      No
        City/Town
      Mastic Beach
        Post Office
      Mastic Beach
        Parking spots
      -
      955567
      MLS ID
      Active
      Status
      01/26/2026
      On Market Date
        Laundry features
        Flooring
        Fireplace
      Yes
        Pets allowed
        Architectural Style
      Raised Ranch
        Basement
        View
      Interior features
      Cathedral Ceiling(s), Ceiling Fan(s), Eat-in Kitchen, Formal Dining, High Ceilings, Open Floorplan, Recessed Lighting, Tray Ceiling(s)
      Exterior features
      Lot features
      Appliances included
      Dishwasher, Dryer, Electric Range, Refrigerator, Stainless Steel Appliance(s)
      Construction materials
      Shingle Siding
      Monthly taxes
      $842
      Yearly taxes
      $10,102.69
      Community Features
      -
      School district
      William Floyd
      Schools
      Nathaniel Woodhull Elementary School, William Floyd Middle School, William Floyd High School
      Senior community
      No
      Common Charges
      -
      Maintenance
      -
      Additional Fees
      -
      Open Houses
      In-Person
      No upcoming in-person open houses
      Virtual
      No upcoming virtual open houses
      Contact Agent
      KC
      Karen Clark
      Real Estate Salesperson, Handsome Real Estate Inc
      Direct Number 
       
      Location
      For Sale Nearby
      No nearby homes are For Sale Nearby.
      Recently Sold
      No nearby homes have been Recently Sold.
      17 Riverside Avenue, Mastic Beach, NY 11951, is a 4 bedroom, 2 bathroom, 1272 sqft. Single Family Residence built in 1982. This property is currently available for sale and was listed on OneKey® MLS on 1-26-2026. The MLS# for this Single Family Residence is MLS# 955567.
      Display of MLS Data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals.
      Copyright ©2026