Cozy waterside South Sayville gem, designed for comfortable living & convenience. Enjoy evenings by the wood-burning fireplace in the spacious family room or seaside breezes and water views of Browns River from your back deck. The charming front porch entry leads to the living room which flows seamlessly into the sun-drenched kitchen with open floor plan and a convenient island overlooking the large family room with fireplace. There are two first-floor bedrooms and hardwood floors throughout. This home also offers a versatile loft space with a closet, ideal for an office, playroom, or third bedroom. Complete with first-floor laundry, a private fenced yard, and a detached garage, this home is in the heart of Sayville, just one mile from town and the LIRR.
Listing by Dawn M Reilly• Signature Premier Properties
•Source:OneKey® MLS as Distributed by MLS Grid #1060101
Contact 15 River Rd
Policies
Parkinggarage lot, other
Type
garage lot
Spaces
1
Type
other
Features:Detached
Amenities
In-unitFireplace, Dishwasher, Patio
Fireplace
Dishwasher
Patio
Hardwood Flooring
Unique featuresPrivate Yard, Garage
Private Yard
Garage
Around 15 River Rd
Schools
Places
Transit
9/10
Lincoln Avenue Elementary School
Public, PreK-5 • Assigned • 1.5mi
7/10
Sayville Middle School
Public, 6-8 • Assigned • 2.0mi
9/10
Sayville High School
Public, 9-12 • Assigned • 1.1mi
Provided by GreatSchools
About
Islip
Islip, located between Great South Bay and the Connetquot River State Park Preserve, is a waterfront and suburban Brentwood neighborhood with salt-air marinas and leafy parkland. The neighborhood’s character concentrates around Main Street near Islip Avenue, where low-slung storefronts, cafés, and local services set a steady, walkable rhythm. Architectural cues lean toward mid-century ranches and Cape-style homes, with pockets of newer infill along wider arterials. Islip’s shoreline geography shapes weekends around docks, bay views, and boat traffic. Community pillars include the Bayard Cutting Arboretum, the historic Islip Art Museum, and the Sayville Ferry Service for Fire Island days. Rail service at Islip station adds a commuter cadence without overpowering the residential feel.
Provided by Walk Score and Local Logic
Historical weather
Sayville, NY • 11782
Average low and high temperatures (°F)
37
23
39
25
51
35
60
43
68
53
80
63
84
69
79
63
75
60
66
49
55
39
42
28
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Climate risks
7/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
4/10 Heat Factor
7 days above 93° expected this year, 18 days in 30 years
8/10 Wind Factor
80% chance of strong winds in next 30 years
4/10 Air Factor
4 unhealthy days expected this year, 6 days in 30 years
Provided by First Street
Sun exposure
In this area, properties receive around 8.8 hours in
June and 4.5 hours in December, which is comparable to the
U.S. average for solar exposure.
All information is deemed reliable but not guaranteed. Redfin and its affiliates may receive compensation if you contact a rental property or sign a lease.
Listing provided courtesy of: Signature Premier Properties
Listing agent: Dawn M Reilly (6317860080)
Based on information submitted to the MLS GRID as of Sat Oct 31 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.
Last Updated: 2026-10-30T20:31:08.056Z
15 River Rd is a 1522 square foot property with 3 bedrooms and 1 bathrooms. 15 River Rd is located in Sayville, the 11782 zipcode, and the Sayville Union Free School District.