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Pending
    • $859,000

    25 Bay 3rd Street, Islip, NY 11751

    3beds
    2,136sqft
    Single Family Residence, Residential
    Built in 1927
    8,586 Square Feet Lot
    $-- Zestimate®
    $402/sqft
    $-- HOA

    What's special

    Abundant natural lightNew roofCentral air conditioningIn-ground heated poolNew paver patioGenerously sized bedroomsAttached garage
    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.
    75 days
    |
    111
    |
    7
    |

    Likely to sell faster than

    Zillow last checked:

    Listing updated:

    Listed by:

    Compass Greater NY LLC 631-629-7719,

    Diane Betz 631-241-0298

    Source: OneKey® MLS as distributed by MLS GRID,MLS#: 988807MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 3
      • Full bathrooms: 3
      Primary bedroom
      • Description: High vaulted cathedral ceiling featuring tall arched window, WIC, primary bath ensuite, wood floors
      • Level: Second
      Bedroom 2
      • Description: Wood floors (under carpeting), 2 large south facing windows, closet
      • Level: Second
      Bedroom 3
      • Description: Wood floors (under carpeting), large north facing window, closet
      • Level: Second
      Primary bathroom
      • Description: Large primary bath featuring soaking tub, walk-in shower, vanity, closet, toilet
      • Level: Second
      Bathroom 1
      • Description: Full Bath featuring pedestal sink, shower, tub, toilet
      • Level: First
      Bathroom 2
      • Description: Second floor guest bathroom featuring a sliding glass shower enclosure, a vanity w/ base cabinetry, closet, a wall-mounted mirror, tile flooring
      • Level: Second
      Other
      • Description: 1 car attached garage w/electric opener, 2 car remotes
      • Level: First
      Other
      • Description: Outdoor Cabana w/bar & electric, water hook up available, glass slider, storage
      • Level: First
      Other
      • Description: In-Ground 18 x 36 free form pool, chlorine, new liner (2026), gas heater (2021), loop loc cover, new pump motor, new polaris pump (2026), new pool plumbing (2026), new pavered patio (2026), In-ground sprinkler system (3 zones), new landscaping front and back
      • Level: First
      Other
      • Description: New roof (2025), new hot water heater (2019), Kohler 14kW hard wired generator in weather enclosure, house wired for Fios & Optimum
      • Level: First
      Basement
      • Description: Partially finished, recessed lighting, heated and cooled, boiler, hot water heater, storage, washer, dryer, 200 amp electric panel
      • Level: Basement
      Dining room
      • Description: Wood floors, large south facing bay window, light fixture
      • Level: First
      Kitchen
      • Description: SS Apps, white cabinetry, recessed lighting, door to country club backyard
      • Level: First
      Living room
      • Description: Wood floors, French doors to deck and backyard, floor to ceiling windows w/views of country club backyard
      • Level: First
      Heating
      • Natural Gas
      Cooling
      • Central Air, Zoned
      Appliances
      • Included: Dishwasher, Dryer, Freezer, Gas Cooktop, Gas Range, Microwave, Oven, Range, Refrigerator, Stainless Steel Appliance(s), Washer, Gas Water Heater
      • Laundry: Washer/Dryer Hookup, Electric Dryer Hookup, In Basement, Washer Hookup
      Features
      • Cathedral Ceiling(s), Primary Bathroom, Storage
      • Flooring: Hardwood, Other
      • Windows: Double Pane Windows
      • Basement: Partially Finished,Storage Space
      • Attic: Partial,Unfinished
      • Has fireplace: No
      Interior area
      • Total structure area: 2,136
      • Total interior livable area: 2,136 sqft

      Property

      Parking
      • Total spaces: 1
      • Parking features: Attached, Driveway, Garage, On Street
      • Garage spaces: 1
      • Has uncovered spaces: Yes
      Features
      • Levels: Three Or More
      • Patio & porch: Patio, Porch
      • Exterior features: Rain Gutters
      • Has private pool: Yes
      • Pool features: Fenced, In Ground, Outdoor Pool, Pool Cover, Vinyl
      • Fencing: Back Yard,Fenced,Vinyl
      • Has view: Yes
      • View description: Neighborhood, Trees/Woods
      Lot
      • Size: 8,586 Square Feet
      • Dimensions: 81 x 106
      • Features: Back Yard, Front Yard, Landscaped, Level, Near Shops, Private, Sprinklers In Front, Sprinklers In Rear
      Details
      • Additional structures: Cabana, Pool House
      • Parcel number: 0500397000200015000
      • Special conditions: None
      • Other equipment: Generator, Irrigation Equipment, Pool Equip/Cover

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Colonial
      • Property subtype: Single Family Residence, Residential
      Materials
      • Vinyl Siding
      Condition
      • Updated/Remodeled
      • Year built: 1927

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public
      • Utilities for property: Cable Connected, Electricity Connected, Natural Gas Connected, Sewer Connected, Trash Collection Public, Water Connected

      Community & HOA

      Community
      • Features: Curbs, Park
      • Security: Security System
      • Subdivision: South of Montauk
      HOA
      • Has HOA: No
      Location
      • Region: Islip

      Financial & listing details

      • Price per square foot: $402/sqft
      • Tax assessed value: $40,000
      • Annual tax amount: $14,179
      • Date on market: 6/3/2026
      • Cumulative days on market: 74 days
      • Listing agreement: Exclusive Right To Sell
      • Electric utility on property: Yes

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        6/26/2026Pending sale$859,000$402/sqft
        Source: OneKey® MLS as distributed by MLS GRID #988807 Report a problem
        6/3/2026Listed for sale$859,000+66.8%$402/sqft
        Source: OneKey® MLS as distributed by MLS GRID #988807 Report a problem
        9/22/2016Sold$515,000+3.2%$241/sqft
        Source: OneKey® MLS as distributed by MLS GRID #L2859687 Report a problem
        11/2/2014Listing removed$499,000$234/sqft
        Source: Eric G. Ramsay Jr. Associate LLC #2715091 Report a problem
        10/21/2014Listed for sale$499,000$234/sqft
        Source: Eric G. Ramsay Jr. Associate LLC #2715091 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025-- $40,000
        2024-- $40,000
        2023-- $40,000
        2022-- $40,000
        2021-- $40,000
        2020-- $40,000
        2019-- $40,000
        2018-- $40,000
        2017$11,520 $40,000
        2016-- $40,000
        2015-- $40,000
        2014-- $40,000
        2013-- $40,000
        2012-- $40,000
        2011-- $40,000
        2010-- $40,000
        2009-- $40,000
        2008-- $40,000
        2007$8,054 +18.9%$40,000
        2005$6,776 +11%$40,000 +2.6%
        2004$6,107 +7.6%$39,000
        2003$5,673 +7.3%$39,000
        2002$5,287 $39,000
        2001-- $39,000 +4%
        2000$4,895 $37,500
        Find assessor info on the county website

        Monthly payment

        Estimated monthly payment$1,822
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
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        Climate risks

        Neighborhood: 11751

        Getting around

        50 / 100
        Somewhat Walkable
        39 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Maud S Sherwood Elementary School
        • Middle: Islip Middle School
        • High: Islip High School

        Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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