A rare opportunity to own one of the East End's most significant architectural homes—more than a house, it's a lifestyle. Imagined by the Osofsky family and originally designed by Norman Jaffe in 1971, this waterfront estate was expanded by Jaffe himself in 1981—a rarity among his works. Recently renovated to preserve its architectural integrity while introducing modern comfort and luxury, the home offers a truly turn-key experience.Set on 1.7 acres with 175 feet of Gardiners Bay frontage, the property delivers sweeping views toward Orient and historic Gardiner's Island. Accessible only by ferry from the North and South Forks, Shelter Island ensures privacy and seclusion—just 2.5 hours from Manhattan yet worlds away.The residence features 6 ensuite bedrooms, 8 full baths, and 2 half baths, plus a chef's kitchen, private gym, movie theater, and dedicated guest wing. Outdoor amenities include cantilevered decks, an extra-deep heated gunite pool, an entertaining pergola with kitchen and fireplace, and a tennis court with pickleball lines. Coastal-inspired landscaping and pollinator gardens complete the serene setting.An extraordinary waterfront retreat offering timeless design, privacy, and effortless luxury.
Sold for $15,995,000
$15,995,000
4 Dawn Ln, Shelter Island Heights, NY 11965
6beds
5,089sqft
Single Family Residence
Built in 1971
1.7 Acres Lot
$16,215,800 Zestimate®
$3,143/sqft
$7,134 Estimated rent
Home value
$16,215,800
$14.59M - $18.00M
$7,134/mo
Zestimate® history
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$7,134/mo
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$111,137/mo
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List your homeWhat's special
Waterfront estateExtra-deep heated gunite poolCantilevered decksPollinator gardensDedicated guest wingPrivate gymCoastal-inspired landscaping
Zillow last checked:
Source: Out East,MLS#: 392459
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 10
- Full bathrooms: 8
- 1/2 bathrooms: 2
Rooms
- Room types: Family Room, Laundry, Library, Office
Cooling
- Central Air
Features
- Basement: Yes
- Has fireplace: Yes
Interior area
- Total structure area: 5,089
- Total interior livable area: 5,089 sqft
Property
Parking
- Parking features: GarageDetached
- Has garage: Yes
Features
- Stories: 3
- Exterior features: Tennis Court(s)
- Has private pool: Yes
- Pool features: Heated
- Has view: Yes
- View description: Water
- Has water view: Yes
- Water view: Water
- Waterfront features: Waterfront
- Frontage type: Waterfront
Lot
- Size: 1.7 Acres
Details
- Parcel number: 0700001000200070002
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Condition
- New construction: No
- Year built: 1971
Community & HOA
Location
- Region: Shelter Island Heights
Financial & listing details
- Price per square foot: $3,143/sqft
- Tax assessed value: $8,200,000
- Date on market: 12/23/2025
- Lease term: Contact For Details
Price history
| Date | Event | Price |
|---|---|---|
| 5/6/2026 | Sold | $15,995,000-11.1%$3,143/sqft |
Source: Public Record Report a problem | ||
| 3/6/2026 | Pending sale | $17,995,000$3,536/sqft |
Source: Out East #392459 Report a problem | ||
| 12/23/2025 | Listed for sale | $17,995,000+151.7%$3,536/sqft |
Source: Out East #392459 Report a problem | ||
| 9/24/2020 | Sold | $7,150,000$1,405/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $8,200,000 +47.8% |
| 2024 | -- | $5,548,000 |
| 2023 | -- | $5,548,000 |
| 2022 | -- | $5,548,000 |
| 2021 | -- | $5,548,000 +15.5% |
| 2020 | -- | $4,803,000 -1.3% |
| 2019 | -- | $4,865,000 -0.1% |
| 2018 | -- | $4,869,000 +0.3% |
| 2017 | $28,878 | $4,855,000 +2.2% |
| 2016 | -- | $4,750,000 -22.1% |
| 2015 | -- | $6,100,000 +5.2% |
| 2014 | -- | $5,800,000 +3.3% |
| 2013 | -- | $5,612,000 +0.5% |
| 2012 | -- | $5,586,000 -2% |
| 2011 | -- | $5,700,000 +0.4% |
| 2010 | -- | $5,680,000 -9.6% |
| 2009 | -- | $6,285,000 -1.8% |
| 2008 | -- | $6,400,000 +0.7% |
| 2007 | $32,470 +35.5% | $6,357,700 +78.2% |
| 2005 | $23,964 -5.7% | $3,568,000 +1.2% |
| 2004 | $25,415 +5.2% | $3,526,600 +8% |
| 2003 | $24,161 +51% | $3,265,800 +133.3% |
| 2002 | $16,002 | $1,400,000 |
Find assessor info on the county website
Neighborhood: 11965
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Nearby schools
GreatSchools rating
- 8/10Shelter Island SchoolGrades: PK-12Distance: 2.4 mi
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Estimated market value
$16,215,800
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$16,215,800