luxury houses for sale Jefferson County, United States

Experience ultimate Lake Ontario living in this stunning two bedroom, two full bath turn-key ranch built in 2018. Offered fully furnished with curated pieces, this home provides an effortless move-right-in experience. The sun drenched, open concept layout features soaring vaulted ceilings, a premium modern kitchen with stainless steel appliances, 3 sleek counter stools, and a dining table that comfortably seats 6. The living room is perfectly styled for relaxation with a comfortable sofa/sleeper, a glass coffee table, white accent chairs, a massive sliding-door console, and a wall-mounted TV. Enjoy a split-bedroom layout boasting a secondary bedroom with a King bed, and a luxurious primary suite complete with a private bath, King bed, walk-in closet, and a dedicated workspace with a white desk and chair. Step outside to the wrap-around deck or head down to your private waterfront parcel, featuring a permanent dock with an integrated seating deck. Convenient main-floor laundry with a washer/dryer is included, alongside an exterior storage shed equipped with a 275 gallon water transfer system. Don’t miss this rare, completely turn-key Henderson paradise!

Wake to the sound of songbirds, sipping your morning coffee on the screened porch, and abundant wildlife wandering through rolling pastures as the sun rises over your own 51.5-acre country retreat. Minutes from the village of Clayton, this exceptional Connor-built Colonial, crafted by the renowned builders of Middlebury, Vermont, offers perfect balance of peaceful rural living and modern convenience. Designed by the owners to capture warmth and character of a historic farmhouse. With wide pine floors secured with square nails, authentic 12-over-12 windows, and timeless craftsmanship throughout. Impeccably maintained and filled with natural light, four spacious bedrooms, two full baths, and inviting living spaces designed for gathering with family and friends. The kitchen features granite countertops, stainless steel appliances, and generous workspace, flowing seamlessly into the dining and living areas. On cooler days, gather around the wood-burning fireplace for warmth and ambiance, central air conditioning keeps the home comfortable throughout the warmer months.3 season screened porch invites you to relax. A full walkout basement with impressive 9-foot ceilings offers endless possibilities for additional living space, a workshop, fitness area, or recreation room. Step outside and embrace the country lifestyle. The centerpiece of the property is a remarkable historic post-and-beam barn, dismantled in Redwood, New York, and meticulously reconstructed on the property, preserving a piece of North Country history. Complementing the barn are fenced pastures, a chicken coop, and a traditional sugar shack ready for your own maple syrup operation. Wander private trails leading to a picturesque spring-fed pond, while apple trees, blueberry and raspberry bushes, and abundant wildlife make every season a delight.A detached two-car garage, newly built just four years ago, provides exceptional space for vehicles, equipment, and hobbies. Rarely does a property combine architectural character, historic craftsmanship, the beauty of 51.5 acres so close to Clayton and the St. Lawrence River. Welcome home to a lifestyle defined by nature, privacy, and timeless country living.

Discover the perfect canvas for your island retreat with this charming summer cottage studio on picturesque Grindstone Island. Set on approximately 1+ acre with 200 feet of deep-water frontage, this property offers stunning channel views and an ideal setting for your seasonal escape. A new deed is in process to reflect the updated acreage and waterfront; a full survey is complete and available. The studio features all-new windows that frame serene waterfront vistas, a well-insulated floor, and room to expand. Inside, a full bathroom is underway with a shower already installed and the toilet and vanity on site, ready for completion. The property is equipped with a 1000-gallon septic system, brand-new electric service with underground power, and all PEX plumbing already in place—providing a strong foundation for your finishing touches. Enjoy immediate boating access with underwater anchors ready to secure the included 26' x 8' floating dock. In addition, a dock in Rusho Bay will be available for your use while new dock is built, offering convenient temporary access to the island. Whether you're looking to finish it yourself or bring in a contractor, this studio offers the rare opportunity to create a custom island escape with privacy, incredible views, and room to expand with trail access to all that Grindstone Island has to offer.

Imagine arriving at your own private retreat on Grindstone Island, where 480 feet of stunning pink granite shoreline wrap around 2.3 acres of peaceful waterfront. Tucked away in a protected deep-water setting, this property offers exceptional privacy, generous docking options, and the kind of waterfront lifestyle that draws families to the Thousand Islands generation after generation. Begin your mornings with coffee on the expansive waterfront deck as the river comes alive around you. Spend the day boating, swimming, fishing, or exploring all that Grindstone Island has to offer, then return home to gather with family and friends for sunset barbecues overlooking the water. Inside, the cottage welcomes you with cathedral ceilings, natural wood accents, and French doors that frame beautiful waterfront views. Open living space flows effortlessly to the expansive deck that spans the rear of the home, creating seamless indoor-outdoor living. A loft adds character and additional sleeping or recreational space, while two bedrooms and two full baths provide comfortable accommodations for family and guests. First-floor laundry, a UV water treatment system, and a mini-split system extend the enjoyment of the property well into the spring and fall seasons. A garage provides storage for vehicles, recreational equipment, and all the essentials needed for island living while allowing you to explore the island's road network and all that Grindstone Island has to offer. The property is being offered fully furnished and sold as-is, allowing the next owner to begin enjoying the Thousand Islands lifestyle from day one. For buyers seeking a truly unique riverfront compound, the adjacent channel-side property on 1 acre is also available for purchase (MLS #S1564645), creating a rare opportunity to own an expanded family estate with frontage on both sides and unmatched flexibility for future generations. Whether you're searching for a seasonal getaway, a family gathering place, or a private waterfront legacy property, this Grindstone Island retreat offers the perfect setting to create lasting Thousand Islands memories while enjoying spectacular sunsets over the St. Lawrence River.

Step back in time and experience the charm of an authentic 1800s cottage on Grenell Island, a special St. Lawrence River community where generations have gathered to enjoy the traditions and simplicity of island life. Loved and cared for over the years, being offered “as is” and presents a wonderful opportunity for its next owner to continue its story. The cottage is rich with character, featuring beautiful fir beadboard, wainscoting, original woodwork and hardwood floors throughout. The expansive front porch with channel views is a favorite spot to be at this cottage. The main level offers a welcoming living room centered around a wood-burning fireplace, formal dining room and a flexible room that can serve as a first-floor bedroom, office or den, along with a convenient half bath. Upstairs are three bedrooms, a full bath and laundry. The home’s timeless interior opens to a large covered porch—the perfect place for morning coffee while watching an incredible sunrise or an evening gathering beneath a moonrise over the St. Lawrence Seaway. Passing ships provide an ever-changing backdrop to life along the River. At the shoreline, a large two-slip boathouse provides protected dockage along with a skiff ramp and workshop, making it ideal for embracing the boating lifestyle for which the Thousand Islands are known. Grenell Island offers something increasingly rare: a true island community. Residents enjoy their own seasonal post office, Community House with library, seasonal chapel and an approximately one-mile walking path around the island—perfect for visiting neighbors or simply enjoying the natural beauty of the River. This is more than a cottage—it is an opportunity to become part of a cherished Thousand Islands tradition and create your own memories on the St. Lawrence River. Selling furnished and turnkey.

Step back to a time when summers on the St. Lawrence River were measured by passing ships, porch sunsets, and generations gathering under one roof. This timeless early-1900s Round Island cottage is more than a home—it's an invitation to continue a cherished Thousand Islands tradition. Beautifully preserved with original woodwork, an exquisite central staircase, stained glass window, and craftsmanship rarely found today, this classic cedar shake cottage captures the warmth and character 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 for summers to come. The formal dining room is perfect for memorable dinners after days on the river, while the spacious kitchen features a walk-in pantry, adjoining storage and laundry room, and a charming back staircase leading to the second floor. A cozy fireplace provides the perfect place to unwind on cool evenings. Stretching across the front of the home, the expansive covered porch is the heart of the cottage, where you'll enjoy breathtaking sunsets while watching freighters and pleasure boats glide along the channel. Protected dockage makes boating effortless, placing the Thousand Islands at your doorstep. The detached garage offers abundant storage and exciting potential for future guest accommodations, while the full attic presents additional possibilities for expansion. Offered fully furnished and turnkey, this exceptional property allows the next owner to begin making memories from day one. Round Island is one of the Thousand Islands' most treasured communities, featuring a post office, tennis court, scenic trails, and a welcoming summer neighborhood 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, this remarkable property is ready for its next chapter of unforgettable river memories.