Single Family

64 Mowbray Avenue

Active · Islip · Suffolk County, NY 11706

Asking price$2,000,000Estimate monthly payment Request a Showing

Bedrooms: 9 Beds
Bathrooms: 9 Baths
Year built: 1902
Est. monthly taxes: $3,129.94

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About this home

Rare Waterfront Investment Opportunity On Penataquit Canal! This Exceptional Home Offers Over 180 Feet Of Prime Waterfront With 13 Private Boat Slips, Expansive Docking, And Breathtaking Views Of Fire Island. Situated At The End Of A Quiet Cul-De-Sac, This Unique Property Features A Total Of 9 Bedrooms And 9 Bathrooms, Including 5 Bedrooms With Private En-Suite Baths. Step Outside To A True Waterfront Oasis Featuring An In-Ground Pool With An In-Ground Hot Tub, A Stunning Brick Outdoor Kitchen, Expansive Paver Patio, And Swaying Palm Trees, Creating The Ultimate Resort-Style Setting For Entertaining Or Relaxing Along The Water. Whether You're Looking To Expand Your Investment Portfolio, Generate Exceptional Rental Income, Or Own A One-Of-A-Kind Waterfront Property With Endless Possibilities, This Incredible Offering Checks Every Box. A Rare Opportunity To Own A High-Income Producing Property In An Unbeatable Waterfront Location.

Listing snapshot

Days on site: 59 days
Listed on MLS: Aug 18, 2026
Full baths: 9
Half baths: 0
Annual property tax (MLS): $37,559.3
Tax year: 2025
Area source (MLS): Plans
Listing brokerage: RE/MAX Integrity Leaders
MLS ID: KEY1040354
Last updated: Sep 18, 2026

General features

Property type: Single Family
Property subtype: Single Family Residence
Year built: 1902
Garage: Yes
Garage spaces: 1
Parking: Attached, Driveway, Oversized, Private
Water source: Public
Sewer: Public Sewer
Utilities: Electricity Connected, Natural Gas Connected, Water Connected

Interior features

Basement: Partial, Unfinished
Heating: Hot Water, Natural Gas
Cooling: Central Air
Interior: First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen, Entrance Foyer, Formal Dining, Recessed Lighting, Soaking Tub, Walk Through Kitchen
Appliances: Dishwasher, Dryer, Microwave, Oven, Range, Refrigerator, Stainless Steel Appliance(s), Washer
Fireplace: Yes

Exterior features

Architectural style: Post Modern
Construction materials: Frame, Vinyl Siding
Private pool: Yes

Schools (MLS)

Elementary school: Brook Avenue Elementary School
Elementary school district: Bay Shore
Middle school: Bay Shore Middle School
Middle school district: Bay Shore
High school: Bay Shore Senior High School
High school district: Bay Shore

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

Sep 18, 2026Listing updated from MLS
Aug 30, 2026First seen on this site
Aug 18, 2026MLS status changed

Location

Islip · Suffolk County, NY 11706Show interactive map

64 Mowbray Avenue

Islip · Suffolk County, NY 11706

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Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.

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Property expenses (USD)

Annual property taxMonthly association / maintenance fees

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