$599,995
 $3,221 est/mo Sourced by Back At You

21 Bay 3rd Street,Islip, NY 11751

Islip, NY 11751

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Description

Welcome to this charming 1930 Cape Cod located mid-block in the desirable St. Marks neighborhood south of Montauk Highway. Filled with character and thoughtful updates, this home features original built-ins in the kitchen, dining room, and primary bedroom, hardwood floors in the living and dining room, and a beautifully renovated bathroom with classic octagon ceramic tile. Four energy-efficient split units provide heating and air conditioning, complemented by smart thermostats, a new gas heating system, separate hot water heater, and 200-amp electric service. Flexible bonus spaces offer the perfect home office and playroom/Den. Enjoy front and rear in-ground sprinklers, low taxes, and an unbeatable location just minutes from Islip Beach, the marina, parks, shopping, restaurants, and the Long Island Railroad. A wonderful opportunity to own a home that blends timeless charm with today's modern conveniences.

Details

MLS #1023939
Listing TypeFor Sale
StyleHouse
Sub-TypeResale
StatusActive
Year1929
Days On Site22
Listing Provided ByNetter Real Estate Inc | Steven J. Rainone CBR SRES

Features

Bed(s)2
Bath(s) 1 Total
SQ Feet1,188
Garage1
BasementY
Story(s)2
Acreage0.15

Interior

CoolingDuctless
HeatingHot Water, Natural Gas, Steam
Interior FeaturesFirst Floor Full Bath, Entrance Foyer, Formal Dining, Galley Type Kitchen, Low Flow Plumbing Fixtures, Original Details, Washer/Dryer Hookup
AppliancesConvection Oven, Cooktop, Dryer, Gas Cooktop, Gas Oven, Oven, Range, Refrigerator, Washer, Gas Water Heater

Exterior

Construction MaterialsFrame
Foundation DetailsConcrete Perimeter
Lot FeaturesBack Yard, Front Yard

Parking

Garage Yes / NoYes
Parking FeaturesDetached, Driveway, Garage, Off Street

Utilities

UtilitiesElectricity Connected, Natural Gas Connected, Sewer Available, Trash Collection Public, Water Connected
SewerPublic Sewer

Taxes

Tax Year2025
Tax Assessed Value29650
Tax Annual Amount10711
Tax Lot17

Area Information

StateNY
CountySuffolk County
CityIslip
Zip Code11751
Community NameSt. Marks
School DistrictIslip High School
Elementary SchoolMaud S Sherwood Elementary Schoo
High SchoolIslip High School
Listing VS Median (in St. Marks)
Price:
$599,995
low | high
Med:
$599,995
50% of Average
sqft:
1,188
low | high
Med:
1,188
50% of Average
$ / sqft:
$505
low | high
Med:
$505
50% of Average
On site:
22
low | high
Med:
22
100% of Average
Sourced by Back At You

Market Activity 11751

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Learn More About This Property

StateNY
CountySuffolk County
CityIslip
Zip Code11751
Community NameSt. Marks
School DistrictIslip High School
Elementary SchoolMaud S Sherwood Elementary Schoo
High SchoolIslip High School
Listing VS Median (in St. Marks)
Price:
$599,995
low | high
Med:
$599,995
50% of Average
sqft:
1,188
low | high
Med:
1,188
50% of Average
$ / sqft:
$505
low | high
Med:
$505
50% of Average
On site:
22
low | high
Med:
22
100% of Average
Sourced by Back At You
Nearby Listings (Within 1/2 mile)
Price: $449K - $749K
sqft: 891 - 1,000
Nearby Listings Property ImageNearby Listings Details
16 Willow Avenue 2B Property Photo 1
$3,025
16 Willow Avenue 2b
Islip, NY 11751
Listing Updated: August 10, 2026 at 12:33:13 AM PDT