$859,000
PENDING

25 Bay 3rd St Islip, NY 11751

Estimated payment $5,822/month

Total Views 2,781
3 Beds
3 Baths
2,136 Sq Ft
$402 Price per Sq Ft

Highlights

  • Pool House
  • View of Trees or Woods
  • Private Lot
  • Islip High School Rated A-
  • Colonial Architecture
  • Cathedral Ceiling

About This Home

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.

Listing Agent

Diane Betz

Compass Greater NY LLC Brokerage Phone: 631-241-0298 License #40BE1103303 Listed on: 06/03/2026

Compass Greater NY LLC

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $14,179

Year Built

  • Built in 1927

Lot Details

  • 8,586 Sq Ft Lot
  • Lot Dimensions are 81 x 106
  • South Facing Home
  • Landscaped
  • Private Lot
  • Level Lot
  • Front and Back Yard Sprinklers
  • Back Yard Fenced and Front Yard

Parking

  • 1 Car Attached Garage
  • Driveway
  • On-Street Parking

Property Views

  • Woods
  • Neighborhood

Home Design

  • Colonial Architecture
  • Vinyl Siding

Interior Spaces

  • 2,136 Sq Ft Home
  • 3-Story Property
  • Cathedral Ceiling
  • Recessed Lighting
  • Double Pane Windows
  • Storage
  • Wood Flooring
  • Home Security System

Kitchen

  • Oven
  • Gas Cooktop
  • Microwave
  • Freezer
  • Dishwasher
  • Stainless Steel Appliances

Bedrooms and Bathrooms

  • 3 Bedrooms
  • En-Suite Primary Bedroom
  • 3 Full Bathrooms
  • Soaking Tub

Laundry

  • Dryer
  • Washer

Partially Finished Basement

  • Laundry in Basement
  • Basement Storage

Pool

  • Pool House
  • Cabana
  • In Ground Pool
  • Vinyl Pool
  • Fence Around Pool
  • Pool Cover

Outdoor Features

  • Patio
  • Rain Gutters
  • Porch

Location

  • Property is near shops

Schools

  • Maud S Sherwood Elementary School
  • Islip Middle School
  • Islip High School

Utilities

  • Zoned Heating and Cooling
  • Heating System Uses Natural Gas
  • Natural Gas Connected
  • Gas Water Heater
  • Cable TV Available

Community Details

  • Park

Listing and Financial Details

  • Assessor Parcel Number 0500-397-00-02-00-015-000

Home Details

Home Type

Single Family

Est. Annual Taxes

$14,179

Year Built

Built in 1927

Lot Details

8,586 Sq Ft Lot

Parking

1

Listing Details

  • Property Type: Residential
  • Architectural Style: Colonial
  • Property SubType: Single Family Residence
  • Property Condition: Updated/Remodeled
  • Levels: Three Or More
  • Year Built: 1927
  • Attribution Contact: 631-241-0298
  • Carport Y N: No
  • CurrentPrice: 859000.00
  • MlsMajorChangeType: Pending
  • CurrentPrice_By_LivingArea: 402.15356
  • ListPrice_By_LivingArea: 402.15356
  • ListPrice_By_OriginalListPrice: 1.00000
  • ListPrice_By_LotSizeAcres: 4521052.6316
  • LivingAreaSearchSqFt: 2136.00
  • CurrentPrice_By_BuildingAreaTotal: 402.15356
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Appliances: Dishwasher, Dryer, Freezer, Gas Cooktop, Gas Range, Microwave, Oven, Range, Refrigerator, Stainless Steel Appliance(s), Washer, Gas Water Heater
  • Interior Amenities: Cathedral Ceiling(s), Primary Bathroom, Storage, Washer/Dryer Hookup
  • Flooring: Hardwood, Other
  • Full Bathrooms: 3
  • Basement: Partially Finished, Storage Space
  • Total Bedrooms: 3
  • Fireplace: No
  • Living Area: 2136
  • Window Features: Double Pane Windows
  • Other Equipment: Generator, Irrigation Equipment, Pool Equip/Cover
  • Basement YN: Yes

Exterior Features

  • Direction Faces: South
  • Other Structures: Cabana, Pool House
  • Construction Materials: Vinyl Siding
  • Fencing: Back Yard, Fenced, Vinyl
  • Pool Features: Fenced, In Ground, Outdoor Pool, Pool Cover, Vinyl
  • Pool Private: Yes
  • Spa: No
  • View: Neighborhood, Trees/Woods
  • Exterior Features: Rain Gutters
  • Patio and Porch Features: Patio, Porch
  • Waterfront: No

Garage/Parking

  • Garage Spaces: 1
  • Garage: Yes
  • Parking Description: Attached, Driveway, Garage, On Street

Utilities

  • Cooling: Central Air, Zoned
  • Heating: Natural Gas
  • Laundry Features: Electric Dryer Hookup, In Basement, Washer Hookup
  • Security: Security System
  • Sewer: Public Sewer
  • Utilities: Cable Connected, Electricity Connected, Natural Gas Connected, Sewer Connected, Trash Collection Public, Water Connected
  • Water Source: Public

Association/Amenities

  • Community Features: Curbs, Park

Condo/Co-op/Association

  • Senior Community: No
  • Association: No

Schools

  • Middle School: Islip Middle School

Lot Info

  • Horses: No
  • Lot Size Acres: 0.19
  • Lot Dimensions: 81 x 106
  • Lot Size Sq Ft: 8586
  • Lot Features: Back Yard, Front Yard, Landscaped, Level, Near Shops, Private, Sprinklers In Front, Sprinklers In Rear
  • Parcel Number: 0500-397-00-02-00-015-000
  • Property Attached: No

Rental Info

  • Lease Considered: No

Tax Info

  • Tax Annual Amount: 14179
  • Tax Year: 2025

MLS Schools

  • Elementary School: Maud S Sherwood Elementary School
  • High School: Islip High School
  • Middle School District: Islip

Map

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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $13,177 $40,000 $10,700 $29,300
2024 $13,177 $40,000 $10,700 $29,300
2023 $13,177 $40,000 $10,700 $29,300
2022 $10,746 $40,000 $10,700 $29,300
2021 $10,746 $40,000 $10,700 $29,300
2020 $12,401 $40,000 $10,700 $29,300
2019 $12,401 $0 $0 $0
2018 -- $40,000 $10,700 $29,300
2017 $11,966 $40,000 $10,700 $29,300
2016 $10,721 $40,000 $10,700 $29,300
2015 -- $40,000 $10,700 $29,300
2014 -- $40,000 $10,700 $29,300
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
06/26/2026 06/26/26 Pending -- -- --
06/03/2026 06/03/26 For Sale $859,000 -- $402 / Sq Ft
Source: OneKey® MLS

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Bargain Sale Deed $515,000 None Available
Interfamily Deed Transfer -- Commonwealth Land Title Ins
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Loan Amount Loan Type
Open $463,500 New Conventional
Previous Owner $7,745 No Value Available
Source: Public Records

Source: OneKey® MLS

MLS Number: 988807

OneKey® MLS

APN: 0500-397-00-02-00-015-000

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