17 Riverside Avenue, Mastic Beach, NY 11951

• 4 beds |
• 3 baths |
• 1,272 sqft

Property Description

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.

Listing Status:

Active

Data Last Updated:

February 8, 2026 at 7:20AM

Listing Office:

Handsome Real Estate Inc : 516-457-2225

MLS ID:

955567

Interior

• General: Cathedral Ceiling(s)Ceiling Fan(s)Eat-in KitchenFormal DiningHigh CeilingsOpen FloorplanRecessed LightingTray Ceiling(s)
• Appliances: DishwasherDryerElectric RangeRefrigeratorStainless Steel Appliance(s)
• A/C: Wall/Window Unit(s)
• Heating: Baseboard
• Fireplace: Fireplace

Exterior

• Style: Raised Ranch
• Parking: Driveway

Location

• Originating MLS: onekey2
• School District: William Floyd
• County: Suffolk County

Lot

• Zoning: 0200-940-00-05-00-023-000

Utilities

• Utilities: Cable ConnectedElectricity ConnectedWater Connected
• Water: Public
• Sewer: Cesspool

Financial

• Source: onekey2