21 Bay 3rd Street
Islip, NY 11751
2
Bed
1
Bath
1,188Sqft
0.15Acre(Lot)
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 Lo
Property Details
Map
Map
What's Nearby
Nearby Areas
Features
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Bedroom Information
Total beds: 2Bathroom Information
Total Baths: 1 Full Baths: 1Room Information
Rooms Total: 6 Basement: Full, Partially Finished -
Flooring Information
Wood -
Interior Features
Entrance Foyer, Low Flow Plumbing Fixtures Appliances: Convection Oven, Cooktop, Dryer, Gas Cooktop, Gas Oven, Oven, Range, Refrigerator, Washer, Gas Water Heater Laundry Features: Gas Dryer Hookup, In Basement, Inside, Laundry Room, Washer Hookup -
Heating & Cooling
Has Heating: Yes Heating: Hot Water, Natural Gas, Steam Has Cooling: Yes Cooling: Ductless
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Building Information
Year Built: 1929 Building Area Total: 1436 Construction Materials: Frame Private Pool: No
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Lot Information
Lot Dimensions: 60x106 Lot Size Acres: 0.146 Lot Size Square Feet: 6098 Lot Description: Back Yard, Front YardProperty Information
Subdivision: St. Marks Source Property Type: Residential Property SubType: Single Family Residence Direction Faces: South Levels: Two Property Age: 97
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Listing Price Information
Listing Price: $599995
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Tax Information
Parcel Number: 0500-397-00-02-00-017-000 Tax Lot: 17 Tax Block: 0002 Annual Tax: $10711
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Parking Information
Detached, Driveway, Garage, Off StreetGarage Information
Has Garage: Yes Garage Space: 1
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School Information
Elementary School: Maud S Sherwood Elementary SchoolJunior High School: Islip Middle SchoolSenior High School: Islip High School -
Utility Information
Natural Gas Available, Electricity Connected, Natural Gas Connected, Sewer Available, Water Connected -
Location Information
WaterSource: Public
How much is this property worth?
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Nearby Home Value
| Address | Estimate | Bed | Bath | Sq. Ft | Lot Size |
|---|---|---|---|---|---|
| 57 Wingam Drive, Islip, NY, 11751 | $1,150,000 | 5 | 3 | 2,440 | 2,440 SqFt |
| 100 Elm Street, Islip, NY, 11751 | $599,999 | 4 | 2 | 1,622 | 1,622 SqFt |
| 112 Cardinal Lane #2A, Islip, NY, 11751 | $149,900 | 1 | 1 | 500 | 500 SqFt |
| 42 Cedar Street, Islip, NY, 11751 | $525,000 | 2 | 1 | 860 | 860 SqFt |
| 22 Manitton Court, Islip, NY, 11751 | $699,999 | 5 | 3 | 1,717 | 1,717 SqFt |
| 20 Whitman Avenue, Islip, NY, 11751 | $599,000 | 4 | 2 | 1,197 | 1,197 SqFt |
| 65 W Bayberry Road, Islip, NY, 11751 | $2,990,000 | 5 | 5 | 5,629 | 5,629 SqFt |
| 2 Taft Avenue, Islip, NY, 11751 | $759,000 | 4 | 3 | 1,884 | 1,884 SqFt |
| 111 Fuller Avenue, Islip, NY, 11751 | $675,000 | 5 | 2 | 2,181 | 2,181 SqFt |
| 2453 B Union Boulevard .., Islip, NY, 11751 | $189,999 | 1 | 1 | 600 | 600 SqFt |
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ByOwner last updated this listing 08/16/2026 @ 10:03
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