Welcome to Granite Point—an exceptionally well-built, year-round estate on sought-after Grindstone Island. Constructed in 2022 with an uncompromising focus on quality, durability, and long-term performance, this property offers a rare opportunity to own a nearly new, expertly crafted waterfront home at an incredible value in the Thousand Islands.
Set on 8.2 private wooded acres with access to the island road network, the offering includes a 4,235 SF main residence, two barns, and 520 feet of prime waterfront with sweeping views of Canadian provincial park islands and award-winning sunsets—just moments from Canoe Point State Park and Grindstone Winery.
Built to last in a river environment, the home features HardiePlank siding, metal/asphalt roofing, energy-efficient windows, and high-performance systems designed for year-round comfort and low maintenance. With 10’ ceilings throughout and exceptional attention to detail, the residence offers both scale and craftsmanship rarely found at this price point.
Inside, the home offers 5 bedrooms (3 ensuite, including a first-floor suite) and 5.5 baths with custom cabinetry and tilework. The kitchen is designed for entertaining, featuring dual SubZero refrigerator/freezers, two dishwashers, dual sinks, soapstone counters, inset cabinetry, a walk-in pantry, and premium appliances including a Viking propane range, electric wall oven, Miele speed oven, warming drawer, and built-in ice maker.
Living spaces include a great room, formal dining room, and den with gas fireplace, along with a dual wood/gas fireplace. Systems include two high-efficiency heat pumps, central air, circulating hot water, whole-house stereo, motorized shades, Starlink internet, and exterior security.
The Red Barn (28×60) includes a guest apartment, while the Gray Barn (26×36) offers storage, workshop space, and loft. Outdoor living features an ipe deck, covered porches, and dockage for four boats—perfect for enjoying the award-winning sunsets. Supported by well, septic, and a buried propane tank.
A rare blend of new construction, superior build quality, and prime Grindstone Island location—Granite Point is a true legacy property
Set on 8.2 private wooded acres with access to the island road network, the offering includes a 4,235 SF main residence, two barns, and 520 feet of prime waterfront with sweeping views of Canadian provincial park islands and award-winning sunsets—just moments from Canoe Point State Park and Grindstone Winery.
Built to last in a river environment, the home features HardiePlank siding, metal/asphalt roofing, energy-efficient windows, and high-performance systems designed for year-round comfort and low maintenance. With 10’ ceilings throughout and exceptional attention to detail, the residence offers both scale and craftsmanship rarely found at this price point.
Inside, the home offers 5 bedrooms (3 ensuite, including a first-floor suite) and 5.5 baths with custom cabinetry and tilework. The kitchen is designed for entertaining, featuring dual SubZero refrigerator/freezers, two dishwashers, dual sinks, soapstone counters, inset cabinetry, a walk-in pantry, and premium appliances including a Viking propane range, electric wall oven, Miele speed oven, warming drawer, and built-in ice maker.
Living spaces include a great room, formal dining room, and den with gas fireplace, along with a dual wood/gas fireplace. Systems include two high-efficiency heat pumps, central air, circulating hot water, whole-house stereo, motorized shades, Starlink internet, and exterior security.
The Red Barn (28×60) includes a guest apartment, while the Gray Barn (26×36) offers storage, workshop space, and loft. Outdoor living features an ipe deck, covered porches, and dockage for four boats—perfect for enjoying the award-winning sunsets. Supported by well, septic, and a buried propane tank.
A rare blend of new construction, superior build quality, and prime Grindstone Island location—Granite Point is a true legacy property
Property Details
Price:
$2,495,000
MLS #:
S1625312
Status:
Active
Beds:
5
Baths:
5
Type:
Single Family
Subtype:
SingleFamilyResidence
Subdivision:
Grindstone Island
Neighborhood:
clayton223289
Listed Date:
Jul 26, 2025
Finished Sq Ft:
4,235
Total Sq Ft:
4,235
Lot Size:
357,192 sqft / 8.20 acres (approx)
Year Built:
2022
See this Listing
Schools
School District:
Thousand Islands
Interior
Appliances
Dryer, Dishwasher, Exhaust Fan, Gas Cooktop, Disposal, Gas Oven, Gas Range, Indoor Grill, Microwave, Propane Water Heater, Refrigerator, Range Hood, Washer, Water Purifier Owned
Bathrooms
4 Full Bathrooms, 1 Half Bathroom
Cooling
Heat Pump, Other, See Remarks, Central Air
Fireplaces Total
2
Flooring
Ceramic Tile, Hardwood, Other, See Remarks, Varies
Heating
Electric, Heat Pump, Propane, Other, See Remarks
Interior Features
Breakfast Bar, Dry Bar, Den, Separate Formal Dining Room, Entrance Foyer, Separate Formal Living Room, Great Room, Country Kitchen, Kitchen Island, Other, See Remarks, Solid Surface Counters, Walk In Pantry, Bedroom On Main Level, Bath In Primary Bedroom, Workshop
Laundry Features
Main Level
Levels
Two
Main Level Bathrooms
2
Main Level Bedrooms
1
Exterior
Architectural Style
Other, Two Story, See Remarks, Traditional
Community Features
Trails Paths
Construction Materials
Attic Crawl Hatchways Insulated, Composite Siding, Frame, Stone, Copper Plumbing, Insulated Concrete Forms, Pex Plumbing
Exterior Features
Dirt Driveway, Deck, Dock, Patio, See Remarks, Propane Tank Owned
Garage Spaces
9
Lot Features
Irregular Lot, Other, Rural Lot, See Remarks
Other Structures
Barns, Guest House, Outbuilding, Sheds, Storage
Parking Features
Detached, Garage
Patio And Porch Features
Deck, Open, Patio, Porch
Roof
Asphalt, Architectural, Metal, Shingle
Stories
2
Waterfront Features
Beach Access, Dock Access, Other, River Access, See Remarks, Stream
Window Features
Thermal Windows
Financial
Taxes
$15,198
Map
Community
- Address43335 School House Road Clayton NY
- SubdivisionGrindstone Island
- CityClayton
- CountyJefferson
- Zip Code13624
Subdivisions in Clayton
Market Summary
Current real estate data for Single Family in Clayton as of Jun 06, 2026
34
Single Family Listed
122
Avg DOM
291
Avg $ / SqFt
$590,690
Avg List Price
Property Summary
- Located in the Grindstone Island subdivision, 43335 School House Road Clayton NY is a Single Family for sale in Clayton, NY, 13624. It is listed for $2,495,000 and features 5 beds, 5 baths, and has approximately 4,235 square feet of living space, and was originally constructed in 2022. The current price per square foot is $589. The average price per square foot for Single Family listings in Clayton is $291. The average listing price for Single Family in Clayton is $590,690. To schedule a showing of MLS#s1625312 at 43335 School House Road in Clayton, NY, contact your Concrete Jungle Realty agent at 3472420937.
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Courtesy of Four Seasons Sotheby’s Inter.. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the New York State Alliance of MLSs. Detailed information about real estate listings held by brokerage firms other than Concrete Jungle Realty include the name of the listing broker. Neither the listing company nor Concrete Jungle Realty shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. New York State Alliance of MLSs. All rights reserved. 43335 School House Road
Clayton, NY