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Street View
$3,399,000
Monthly Est:$16,918
3 Beds
3 Baths3 full baths
3,767sqft
170 S Penataquit Ave, Islip, NY 11706
$3,399,000
$16,918/moEst:
Get Pre-Approved
Single Family Residence
Built in 1983
$-- HOA
2.75 acres lot
$902/sq.ft
Description
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.
- Houzeo last checked: 1 hour ago
- Listing updated: October 25, 2026 at 7:09 pm
- Listing Provided by: Sherry L. Cutillo (631) 258-8127 | Douglas Elliman Real Estate (631) 422-7510
- Source: OneKey MLS-NY as distributed by MLS GRID | MLS#: 1032772
Property Details
Status
Active
Type
Single Family Residence
No. of Stories
-
County
City
Neighborhood
--
Year Built
1983
HOA Fees
-
Finished Area
3,767 sqft
Lot Size
2.75 acres lot
Basement Area
- sqft
MLS Name
OneKey MLS
MLS Number
1032772
MLS Status
Active
Days on Market
60
Cumulative Days on Market
51
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Location
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 3
Bathrooms: 3
Kitchen
Level: First
Dining Room
Level: First
Living Room
Level: First
Bonus Room
Level: First
Bedroom 1
Level: First
Bedroom 2
Level: First
Bathroom 1
Level: First
Bathroom 2
Level: First
Primary Bedroom
Level: Second
Primary Bathroom
Level: Second
Loft
Level: Second
Laundry
Level: Second
Interior
Flooring
Carpet, Ceramic Tile, Hardwood
Interior Features
First Floor Bedroom, First Floor Full Bath, Chefs Kitchen, Eat In Kitchen, Open Floorplan, Open Kitchen
Sewer
Public Sewer
Exterior Features
Balcony, Boat Slip, Dock, Lighting, Mailbox
Appliances
Dishwasher, Gas Range
Cooling
Central Air
Heating
Forced Air
Construction
Year Built
Year Built: 1983
Home type
Single Family Residence
Property Condition
Updated/remodeled
Architectural Style
Contemporary
Construction Materials
Frame
Utilities & Energy
Laundry Features
Laundry Room
Utilities
Electricity Connected, Natural Gas Connected, Sewer Connected, Trash Collection Public, Underground Utilities, Water Connected
Basement
None
Water Source
Public
Parking Features
Driveway, Garage
Other Features
Patio And Porch Features
Deck, Patio
Price History
| Date | Event | Price |
|---|---|---|
10/20/2026 Source: | Price Decreased | $3,399,000 -5.56% $902/sqft |
10/13/2026 Source: | Price Decreased | $3,599,000 -10.00% $955/sqft |
09/04/2026 Source: | Listed for Sale | $3,999,000 +185.64% $1,062/sqft |
11/30/2024 Source: | Sold | $1,400,000 $372/sqft |
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Based on information from OneKey MLS® through Nov 04, 2026, 12:46PM as submitted to and distributed by MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. IDX information is provided exclusively for consumers’ personal non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. The use of the MLS GRID Data may be subject to an end-user license agreement prescribed by the Member Participant’s applicable MLS, if any, and as amended from time to time. © 2026 OneKey MLS. All rights reserved.
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