New Listing - 06/03/2026

$859,000 ($402.15 per sqft)

Est. Mortgage $4,176/mo *

Quick Pre-Approval

Open House Schedule

06/06/2026
1:30 PM to 3:00 PM
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06/07/2026
11:00 AM to 12:30 PM
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25 Bay 3rd Street, Islip, NY, 11751

25 Bay 3rd Street, Islip, NY, 11751

10 rooms

3 beds

3 Full baths

1927

Colonial

2,136 sqft

Welcome to 25 Bay 3rd Street, Islip — A Beautifully Updated Colonial South of Montauk perfectly positioned on a quiet tree-lined street within biking distance to Islip town beach and vibrant downtown main street. This beautifully renovated Colonial offers timeless charm, modern updates, and exceptional indoor-outdoor living. Featuring over 2,100 square feet of living space, this 3-bedroom, 3-bath home welcomes you with soaring cathedral ceilings, abundant natural light, hardwood floors, and an open, airy layout designed for comfortable everyday living and entertaining. The updated kitchen boasts stainless steel appliances, gas cooking, recessed lighting, and direct access to the backyard oasis. The spacious primary suite offers vaulted ceilings, a walk-in closet, and a luxurious ensuite bath complete with a soaking tub and separate shower. Two additional generously sized bedrooms and a beautifully updated guest bath complete the second floor. Step outside and enjoy your private resort-style backyard featuring an in-ground heated pool, outdoor cabana/pool house, bar area, new paver patio, professionally landscaped grounds, and in-ground sprinklers. Recent improvements include a new roof, new hot water heater, updated pool equipment, new pool liner, new paver patio, and a whole-house Kohler generator, providing peace of mind for years to come. Additional highlights include central air conditioning, natural gas heating, partially finished basement with storage, attached garage, security system, and public sewer. Located in the highly desirable South of Montauk section of Islip, close to shops, restaurants, marinas, parks, beaches, and vibrant downtown Islip. Move right in and enjoy the perfect blend of classic character, modern updates, and exceptional outdoor living.


Status:

Active

Type:

Single-family residential

Laundry Remarks:

Electric Dryer Hookup, In Basement, Washer Hookup

Subdivision:

South of Montauk

Garage:

1-car

Heating:

Natural Gas

Cooling:

Central Air, Zoned

Basement:

Partially Finished, Storage Space

Parking:

Attached, Driveway, Garage, On Street

Acreage:

0.19

Est. Taxes:

$14,179

Assessment

$40,000

Construction

Vinyl Siding

Utilities

Cable Connected, Electricity Connected, Natural Gas Connected, Sewer Connected, Trash Collection Public, Water Connected

Lot Description:

Back Yard, Front Yard, Landscaped, Level, Near Shops, Private, Sprinklers In Front, Sprinklers In Rear

View Description:

Neighborhood, Trees/Woods

Elementary School:

Maud S Sherwood Elementary School

Middle School:

Islip Middle School

High School:

Islip High School

School District:

Islip

Days on Market:

1

Appliances:

Dishwasher, Dryer, Freezer, Gas Cooktop, Gas Range, Microwave, Oven, Range, Refrigerator, Stainless Steel Appliance(s), Washer, Gas Water Heater

Pool:

Fenced, In Ground, Outdoor Pool, Pool Cover, Vinyl

MLS #:

988807


Community Info

School Info

Walk Score

Mass Transit

Yelp



Listing courtesy of Compass Greater NY LLC 631-241-0298