Single Family
170 Penataquit Avenue
Active · Islip · Suffolk County, NY 11706
- Bedrooms
- 3 Beds
- Bathrooms
- 3 Baths
- Year built
- 1983
- Est. monthly taxes
- $4,514.83
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About this home
SPECTACULAR 2.75-ACRE WATERFRONT CONTEMPORARY ESTATE A truly rare opportunity to own an extraordinary privately gated 3,800 sq. ft. waterfront estate set on 2.75 breathtaking acres with over 1,000 feet of bulkhead and spectacular water views. Step through the grand double glass doors into a stunning open-concept interior featuring soaring windows, beautiful ceramic flooring, and a magnificent chandelier overlooking the water. The home offers 3 bedrooms, 3 bathrooms, a second-floor loft, dining room, living room with fireplace, and a 3-car garage.The fabulous chef’s kitchen features custom wood cabinetry, a large granite island, and professional Wolf and Verona stainless-steel appliances. The luxurious primary en-suite offers a spa bath, walk-in closet, glass doors with balcony and deck with bay views, elevator access, along with a convenient second-floor laundry room. The waterfront lifestyle is truly exceptional, offering over 1,000 feet of bulkhead, a large boat slip accommodating two 65-foot yachts, a boat ramp, and a dedicated cut-out for multiple jet skis. A spacious boathouse and waterfront gazebo provide the perfect setting for enjoying the water, while a beautiful patio and pergola create an ideal space for outdoor entertaining and relaxation. Take in breathtaking sunsets with picturesque views of the Robert Moses Bridge. Additional amenities include a full-house generator, 27-zone sprinkler system, and an on-demand tankless hot water heater. Perfectly positioned approximately 60 minutes by LIRR to NYC for world-class dining, entertainment and shows, and approximately 60 minutes to the Hamptons and its renowned wineries. From your own home or the nearby local ferries, enjoy a quick 20 minute ride to Fire Island's Ocean Beach and other sought after destinations, where you can spend the day exploring charming shops, enjoying waterfront dining and live music, or relaxing on the beautiful white sand beaches. It's the perfect blend of waterfront living, convenience, and the quintessential Fire Island lifestyle. Conveniently located near shopping, transportation and everyday amenities. A magnificent waterfront estate. An extraordinary lifestyle. A rare opportunity. Call today for your private showing.
Listing snapshot
- Days on site
- 51 days
- Listed on MLS
- Sep 4, 2026
- Full baths
- 3
- Half baths
- 0
- Annual property tax (MLS)
- $54,178
- Tax year
- 2026
- Area source (MLS)
- Public Records
- Listing brokerage
- Douglas Elliman Real Estate
- MLS ID
- KEY1032772
- Last updated
- Oct 25, 2026
General features
- Property type
- Single Family
- Property subtype
- Single Family Residence
- Year built
- 1983
- Garage
- Yes
- Garage spaces
- 3
- Parking
- Driveway, Garage
- Water source
- Public
- Sewer
- Public Sewer
- Utilities
- Electricity Connected, Natural Gas Connected, Sewer Connected, Trash Collection Public, Underground Utilities, Water Connected
Interior features
- Basement
- None
- Heating
- Forced Air
- Cooling
- Central Air
- Interior
- First Floor Bedroom, First Floor Full Bath, Chefs Kitchen, Eat-in Kitchen, Open Floorplan, Open Kitchen
- Appliances
- Dishwasher, Gas Range
- Flooring
- Carpet, Ceramic Tile, Hardwood
- Fireplace
- Yes
- Fireplaces
- 1
Exterior features
- Architectural style
- Contemporary
- Construction materials
- Frame
- Exterior
- Balcony, Boat Slip, Dock, Lighting, Mailbox
- Private pool
- No
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
- Listing updated from MLS
- First seen on this site
- MLS status changed
Location
Estimate monthly payment
Estimated monthly principal & interest—
Monthly property taxNot provided
Monthly association / maintenance feesNot provided
Estimated monthly total of entered costs—
Listing data is supplied by the MLS and may change without notice.
