Step back to a time when St. Lawrence River summers were measured by the sound of passing ships, sunsets from the porch, and generations gathering under one roof. This timeless early-1900s Round Island cottage, ‘ Sonnenklang’ is more than a home, it is an invitation to continue a cherished Thousand Islands tradition. Beautifully preserved with its original woodwork, exquisite central staircase, stained glass window, and craftsmanship are rarely found today. Cedar shake cottage captures the character and warmth of a bygone era. Offering five bedrooms on the second floor, an additional first-floor bedroom, a full bath on the main level and a half bath upstairs, there’s room for family and friends to gather comfortably for summers to come. The formal dining room is ready for memorable dinners, while the spacious kitchen features a walk-in pantry, adjoining storage and laundry room, and a back staircase to the second floor, a reminder of the home’s historic design. A fireplace in the living room provides warmth on chilly nights. Stretching across the front of the home, the expansive covered porch becomes the heart of the cottage, where you’ll enjoy breathtaking sunsets, watch freighters and pleasure boats glide along the channel, experience the peaceful rhythm of river life. Protected dockage makes boating effortless. The detached garage offers abundant storage today and exciting possibilities for future guest accommodations, while the full attic presents additional potential to expand and customize the home to your vision. Offered fully furnished and turnkey, this exceptional property allows the next owner to begin making memories from day one. Round Island itself is one of the Thousand Islands’ most treasured communities, featuring a post office, tennis court, scenic walking trails, and a welcoming summer neighborhood. Being just a short boat ride from Clayton and the mainland. Rarely does an authentic Thousand Islands cottage of this caliber become available. Whether preserved in its timeless elegance or thoughtfully enhanced for future generations, this remarkable property is a blank canvas for creating the next chapter of unforgettable summers on the river.
Property Details
Price:
$799,800
MLS #:
S1696316
Status:
Active
Beds:
6
Baths:
2
Type:
Single Family
Subtype:
SingleFamilyResidence
Subdivision:
Round Island Park
Neighborhood:
clayton223289
Listed Date:
Jul 17, 2026
Finished Sq Ft:
2,135
Total Sq Ft:
2,135
Lot Size:
32,234 sqft / 0.74 acres (approx)
Year Built:
1900
Cottage,twostoryWaterfrontBarnOutbuildingTennisClayton-223289Clayton223289Round Island ParkThousand IslandsSaint Lawrence Seaway
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Schools
School District:
Thousand Islands
Interior
Appliances
Dryer, Electric Oven, Electric Range, Electric Water Heater, Microwave, Refrigerator, Washer
Bathrooms
1 Full Bathroom, 1 Half Bathroom
Fireplaces Total
1
Flooring
Hardwood, Varies, Vinyl
Heating
Other, See Remarks, None
Interior Features
Separate Formal Dining Room, Furnished, Separate Formal Living Room, Living Dining Room, Other, Pantry, See Remarks, Storage, Walk In Pantry, Natural Woodwork, Bedroom On Main Level, Workshop
Laundry Features
Main Level
Levels
Two
Main Level Bathrooms
1
Main Level Bedrooms
1
Exterior
Architectural Style
Cottage, Two Story
Association Amenities
Other, See Remarks, Tennis Courts
Construction Materials
Stone, Wood Siding, Copper Plumbing
Exterior Features
Dock, See Remarks
Garage Spaces
1
Lot Features
Other, Rectangular, Rectangular Lot, See Remarks
Other Structures
Barns, Outbuilding
Parking Features
Detached, Garage, No Driveway
Patio And Porch Features
Covered, Open, Porch
Roof
Asphalt, Metal
Stories
2
Waterfront Features
Beach Access, Deeded Access, Dock Access, River Access, Stream
Window Features
Leaded Glass, Storm Windows, Wood Frames
Financial
Taxes
$9,346
Map
Community
- Address15463 Round Clayton NY
- SubdivisionRound Island Park
- CityClayton
- CountyJefferson
- Zip Code13624
Subdivisions in Clayton
Market Summary
Current real estate data for Single Family in Clayton as of Jul 22, 2026
38
Single Family Listed
145
Avg DOM
302
Avg $ / SqFt
$569,809
Avg List Price
Property Summary
- Located in the Round Island Park subdivision, 15463 Round Clayton NY is a Single Family for sale in Clayton, NY, 13624. It is listed for $799,800 and features 6 beds, 2 baths, and has approximately 2,135 square feet of living space, and was originally constructed in 1900. The current price per square foot is $375. The average price per square foot for Single Family listings in Clayton is $302. The average listing price for Single Family in Clayton is $569,809.
Similar Listings Nearby
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 Michael Paduano include the name of the listing broker. Neither the listing company nor Michael Paduano 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. 15463 Round
Clayton, NY

