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4 Beds
3 Baths
2,364 sqft

$699,999

15 Riverside Avenue, Mastic Beach NY, 11951

Price per sqft$296.11
Built in1988
Property size2,364 sqft
Property typeResidential
Courtesy of Douglas Elliman Real Estate, Maralyn C. Diggin CBR Listing Contact: 516-681-2600

Overview

Active

Listed Oct 13, 2026

Updated 1h ago

Breathtaking waterfront views and peaceful sunsets set the stage for this updated 4 Bedroom, 2.5 Bath Hi-Ranch on Poospatuck Creek, with direct access to the bay. The first level features updated flooring, Led lighting, summer kitchen, spacious living room, bedroom, ample storage and sliders to the deck- an ideal setup for mom, returning children, or guests Upstairs, Cathedral ceilings and hardwood floors create a bright and open feel. This Main level offers two generously sized bedrooms, and a spacious primary with walk in closet and half bath.The remodeled kitchen features quartz countertops, while the living room with fireplace and an oversized picture window showcases the yard and water views. Sliders lead to the upper deck, the perfect place to relax, unwind and savor those spectacular sunsets. Outside the home shines while you enjoy your private dock and a place to launch kayaks and paddleboat. From Poospatuck head to the bay for a day of fishing or simply enjoying life on the water. NEW : 2025/2026 Trex decking on Upper and Lower Level, New Oil tank, New Gutters And Gutter guards

$4,657/mo

Est. mortgage payment based on a $699,999 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
1059003

Interior Features

Bedrooms
4
Bathrooms
3
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.25 Acres

Other Property Details

Taxes
$8,497
Tax Frequency
Annually
Garage
Yes
Waterfront
Yes
55+/Senior Community
No

Listings courtesy of OneKey MLS as distributed by MLS GRID

All information deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) nor Kelly Dijorio shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Properties displayed may be listed or sold by various participants in the MLS.

Based on information submitted to the MLS GRID as of 5:40 AM UTC on 10/15/2026. 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.

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