1 Maple and Lot 35 Dunderberg Rd Island, Putnam Valley, NY 10579
--beds
--baths
0.5Acres
Land
Built in ----
0.5 Acres Lot
$-- Zestimate®
$--/sqft
$-- HOA
What's special
Private islandPrivate dock
There’s something rare about owning a place that feels completely removed from everything—yet still within reach. Tucked within Oscawana Lake in Putnam Valley sits a true escape: a private island paired with its own dedicated dock parcel along the shoreline, offering a gateway to a different pace of life. This offering includes two tax parcels—62.10-2-6, the island itself, and 62.14-1-35, a separate dock lot that provides your essential access point. They are being conveyed together, inseparable by design, forming an experience that begins at the water’s edge and carries you across to your own secluded retreat. The journey is part of the story. You arrive at your private dock, step into a boat, and within moments, the mainland fades behind you. What replaces it is stillness—water gently moving against the shoreline, the sound of wind through trees, and a sense of ownership that’s increasingly hard to find. This is not just land; it’s separation, privacy, and presence. The island itself offers a natural setting shaped by time and untouched character. It invites simple, meaningful use—day trips, quiet afternoons, fishing at sunrise, or evenings watching the light settle across the lake. Whether you envision a rustic campsite, a gathering place or simply a personal refuge, the value here lies in the experience rather than development intensity. Importantly, this is being offered strictly as a recreational property to be enjoyed as it is. It’s about preserving what makes it special: the water, the isolation, and the freedom to enjoy it on your own terms. Properties like this are increasingly uncommon—especially with dedicated, deeded access included. Without the dock parcel, the island is just a view. With it, it becomes something far more meaningful: a destination you can reach, use, and truly call your own. Together, these two parcels create a singular opportunity—a place where the shoreline is just the beginning, and the real value lies just beyond it.
104 days
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1,098
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Zillow last checked:
Listing updated:
Listed by:
Coldwell Banker Realty914-245-3400,
Thomas J. Santore845-590-5488
Source: OneKey® MLS as distributed by MLS GRID,MLS#: 976394
Facts & features
Property
Features
Has view: Yes
View description: Water
Has water view: Yes
Water view: Water
Waterfront features: Waterfront
Lot
Size: 0.5 Acres
Details
Parcel number: 37280006201000020060000000
Zoning: R3
Special conditions: None
Utilities & green energy
Sewer: None
Community & HOA
Location
Region: Putnam Valley
Financial & listing details
Tax assessed value: $319,300
Annual tax amount: $4,048
Date on market: 3/31/2026
Listing agreement: Exclusive Right To Sell
Estimated market value
Zestimate®
Not available
Estimated sales range
Not available
Rent Zestimate®
Not available
Price history
Date
Event
Price
3/31/2026
Listed for sale
$289,000
Source: OneKey® MLS as distributed by MLS GRID #976394Report a problem
Public tax history
Tax history is unavailable.
Monthly payment
Estimated monthly payment$1,822
Principal & interest
$1,547
Mortgage insurance
$0
Property taxes
$170
Home insurance
$105
HOA fees
$0
Utilities
Not included
All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
See how much you could borrow to make a competitive offer.
Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.