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100 Middlesex Avenue

100 Middlesex Avenue, Islip, NY, 11769

$699,999

active

Bedrooms

Bathrooms

Sq Ft

2,098

Lot Size

9,583 sqft

Year Built

1975

Garage

2 car

Type

Single Family

Monthly Cost

Estimate. Actual payment depends on credit, lender, taxes, and insurance.

$5,028/month estimated

Principal & interest: $3,726
Property tax: $1,177
Home insurance (est.): $125

Down payment %Interest rate %Term (years)

Down payment: $140,000 · Loan amount: $559,999

Description

Welcome To This Well Cared For Idle Hour Colonial Situated On A Large Corner Property! Greeted By A Gorgeous Foyer Leading To A Formal Living Room & Formal Dining Room w/Hardwood Floors Throughout. The Eat-In Kitchen Features Wide Plank Tile Flooring, Light Maple Cabinetry, Granite Countertops, Recessed Lighting, Stainless Steel Refrigerator & Microwave, Electric Cooking, Dishwasher & Center Island w/Granite Top. The Main Level Also Features A Stone Faced Fireplace w/Granite Mantle, 4 Year Young Laundry/Mudroom, Half Bath & Andersen Sliders Leading To The Deck w/Beautiful Views Of The Wetlands. Upstairs You'll Find 4 Bedrooms & A Full Bath w/Jacuzzi Tub. Additional Features Include Oil Heat, Gas Is In The Street, CAC, 200-Amp Electrical Service w/Transfer Switch for Generator, Immaculate Attached 2-Car Garage w/Attic Storage, Deck w/Gazebo, 8-Zone IG Sprinklers, Mature Landscaping, 3 Year Young Self Contained Septic System, Water Main Replaced & Expansion Tank Installed In 2026. This Home Has Been So Loved & Is Ready For It's Next Owner!

Features

✓ Formal Dining
✓ Granite Counters
✓ Kitchen Island
✓ Storage

Appliances

✓ Dishwasher
✓ Dryer
✓ Microwave
✓ Oven
✓ Refrigerator

Property Details

Cooling: Central Air
Heating: Oil
Basement: Crawl Space

Schools

Elementary

Idle Hour Elementary School

Connetquot

Middle

Oakdale-Bohemia Middle School

Connetquot

High

Connetquot High School

Connetquot

Location

Get directions →

Map of 100 Middlesex Avenue, Islip, NY, 11769

Listed by Carmela Gampero, Douglas Elliman Real Estate

MLS# 1030335631-589-8500

Listings courtesy of OneKey® MLS as distributed by MLS GRID

Based on information submitted to the MLS GRID as of Aug 23, 2026, 4:09 PM UTC (date and time MLS GRID Data was obtained). 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.

IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID.

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