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- Description
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Street View
$2,200,000
Monthly Est:$10,950
10 Beds
- 7 Baths
7 full baths
8,783sqft
45 S Penataquit Ave, Islip, NY 11706
$2,200,000
$10,950/moEst:
Get Pre-Approved
Single Family Residence
Built in 1850
$-- HOA
1.64 acres lot
$250/sq.ft
Description
Step back in time and experience the grandeur of this extraordinary 1850 Victorian estate, a truly one-of-a-kind residence where timeless architecture, remarkable scale, and old-world craftsmanship create something rarely found today. Set on 1.64 breathtaking, park-like acres, this magnificent property offers exceptional privacy, an inground pool, and endless possibilities.
From the moment you enter, soaring ceilings, intricate crown moldings, beautiful hardwood floors, and exquisite period details capture the elegance and charm of a bygone era. Three expansive floors of living space feature a magnificent living room, grand banquet-sized formal dining room, large eat-in kitchen, and an inviting den with fireplace. The main residence offers an impressive ten bedrooms, seven full baths, and a full basement, providing extraordinary space and versatility.
The estate also features a separate back house offering four additional bedrooms, two full baths, and a two-car garage, adding another remarkable dimension to this unique property.
Rich in history and overflowing with character, this exceptional Victorian estate presents a rare opportunity to restore, reimagine, and create something truly spectacular. From its grand interior spaces to its sprawling grounds and resort-style pool, this is more than a home. It is a piece of history waiting for its next chapter.
Make this extraordinary one-of-a-kind estate yours.
- Houzeo last checked: 10 minutes ago
- Listing updated: September 18, 2026 at 4:17 pm
- Listing Provided by: Matthew B. Arnold (631) 661-5100 | Netter Real Estate Inc (631) 661-5100
- Source: OneKey MLS-NY | MLS#: 1037620

Property Details
Status
Active
Type
Single Family Residence
No. of Stories
-
County
City
Neighborhood
--
Year Built
1850
HOA Fees
-
Finished Area
8,783 sqft
Lot Size
1.64 acres lot
Basement Area
- sqft
MLS Name
OneKey MLS
MLS Number
1037620
MLS Status
Active
Days on Market
57
Cumulative Days on Market
37

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Location
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 10
Bathrooms: 7
Interior
Interior Features
First Floor Full Bath, Built In Features, Chefs Kitchen, Crown Molding, Eat In Kitchen, Entrance Foyer, Formal Dining, Granite Counters, High Ceilings, Kitchen Island, Primary Bathroom, Storage, Walk In Closet(s)
Cooling
Central Air
Heating
Natural Gas
Sewer
Public Sewer
Flooring
Wood
Appliances
Gas Cooktop, Gas Oven, Refrigerator
Construction
Year Built
Year Built: 1850
Home type
Single Family Residence
Property Condition
Actual
Construction Materials
Vinyl Siding
Architectural Style
Victorian
Utilities & Energy
Utilities
Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
Pool Features
In Ground, Vinyl
Water Source
Public
Parking Features
Driveway
Basement
Full
Laundry Features
Laundry Room
Other Features
Lot Features
Back Yard
Patio And Porch Features
Deck, Porch, Wrap Around
Price History
| Date | Event | Price |
|---|---|---|
08/12/2026 Source: | Listed for Sale | $2,200,000 $250/sqft |
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Based on information from OneKey MLS, through Oct 09, 2026, 06:31AM. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. © 2026 OneKey® MLS. All rights reserved.
Advertising Broker: Derek Greene | The Greene Realty Group









