Exceptional Architecture. Timeless Beauty. Extraordinary Waterfront Living. Set along the shores of the St. Lawrence River, 1618 Saint Lawrence Avenue is a striking custom-built residence where thoughtful architecture, fine craftsmanship, and natural beauty come together. Offering over 6,000 square feet of refined living space, this 4+1-bedroom home was designed to embrace its waterfront setting, with panoramic south-facing views, abundant natural light, and inviting spaces that connect indoors and out. The home's beauty lies in its details: soaring ceilings, elegant proportions, and carefully considered spaces that feel both grand and welcoming. The open-concept main level brings together sophisticated living and dining areas with a chef's kitchen featuring Viking, Wolf, Miele, and Fisher & Paykel appliances. Three fireplaces, including one wood-burning, add warmth and character throughout the home. An elevator connects all levels, while the primary suite offers a peaceful retreat with breathtaking river views, a private balcony, and a spa-inspired ensuite. A main-level billiard room and a lower-level soundproof music room or home theatre and fitness area provide space to entertain, unwind, and enjoy your favourite pursuits. Outside, the same attention to detail continues. Professionally landscaped grounds feature stone walkways, tiered gardens, mature trees, and accent lighting, creating a beautiful , private setting at the water's edge. Multiple balconies and expansive terraces, including terraces with power screens, offer exceptional places to gather or simply watch the changing light and seasons across the river. Just a short walk from Treasure Island Marina, this remarkable property offers enduring architectural appeal and an exceptional St. Lawrence waterfront lifestyle.
Three fireplaces (gas, wood burning, propane) located in family room, living room, and other areas
Bedrooms
Basement present (full, partially finished)
Kitchen
Oven
Water softener
Water purifier
Heating & cooling
Central air
Natural gas forced air heating
Exterior features
Outdoor lighting
Deck
Patio
Porch
Gazebo
Waterfront property with riverfront and river access
Landscaped grounds
Terraced topography
Home design
Faces south
Three stories
Residential, single family detached
Parking
8 parking spaces total
2 covered spaces
Attached garage with garage door opener
Circular driveway
Security
Security system
Smoke detectors
Carbon monoxide detectors
Construction
Stucco and stone construction
Asphalt roof
Has basement (full, partially finished)
Utilities
Private well water
Septic tank sewer
Cable available
Underground utilities
Sale and tax history for 1618 St Lawrence Ave
Sale History
Tax History
Date
Event
Price
TREB #X13861286
Oct 5, 2026
Listed
$3,999,999
TREB #X12262863
Jan 1, 2026
Delisted
—
Jul 4, 2025
Listed
$4,650,000
+45
A true architectural masterpiece on the St. Lawrence River, this 4+1 bedroom, 5 bath custom-built residence offers over 6,000 sq. ft. of refined living space where every detail reflects timeless design and craftsmanship. Panoramic, south-facing waterfront views fill the home with natural light, while multiple terraces and balconies invite you to enjoy the outdoors year-round. The professionally landscaped grounds are a showpiece - meticulously designed with stone walkways, tiered gardens, mature trees, and accent lighting that create a private, resort-like atmosphere for entertaining or relaxation. Inside, the open concept main level showcases soaring ceilings and a chef's kitchen featuring Viking, Wolf, Miele, and Fisher & Paykel appliances, flowing seamlessly to elegant living and dining areas anchored by three fireplaces (one wood-burning). An elevator offers easy access to all levels, including a luxurious primary suite with breathtaking river views, a private balcony, and a spa-inspired ensuite. The main level features a billiard room. The lower level features a soundproof music room or home theatre, and fitness area. Expansive terraces with power screens capture spectacular sunrises and sunsets over the river. Perfectly located just a short walk to Treasure Island Marina and The Cove restaurant, this extraordinary property blends architectural excellence with stunning and natural beauty - offering the ultimate waterfront lifestyle.
TREB #X9410434
Jul 1, 2025
Delisted
—
May 14, 2024
Listed
$4,650,000
+52
Spectacular masterpiece, on the St. Lawrence River. Architectural custom built, over 6,000 square feet of striking interior design. This is not just a home but one that encompasses a beautiful lifestyle. This structural magnificent home is designed with superior finishing’s in every room. This stunning home is nestled in Treasure Island, South facing panoramic waterfront views from almost every room. Multiple level terraces to waterfront, designed with granite & stone, chefs dream kitchen with Viking, Wolf, Miele and Fisher Paykel appliances. The living area has plenty of room for entertaining with a gorgeous fireplace. Elevator upon arrival from garage to all levels. The interior features 4-5 bedrooms, 3 fireplaces (one wood). Stunning view of sun rise and sunsets from 2 screen in balconies with power screens and magnificent view of The St. Lawrence River. Main level billiard room, large multipurpose room above garage, custom design sound proof music room, and fitness room. Landscaping is impeccably maintained with much attention to detail. A quintessential home offering a fabulous setting for family gatherings & entertaining indoor and outdoor. A short walk will take you to Treasure Island Marina and Cove restaurant. This property is in a class of its own. Be sure to check out our video and our drone footage
TREB #X8369530
Nov 27, 2024
Delisted
—
TREB #X9515582
Nov 1, 2024
Listed
$4,650,000
Nov 1, 2024
Delisted
—
May 18, 2024
Listed
$4,650,000
TREB #X9434823
May 18, 2024
Listed
$4,650,000
As the MLS and public records start to fill up, we'll list the details here.
Public record
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Lot width
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Lot depth
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Lot size
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Year renovated
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Finished Sq. Ft.
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Unfinished Sq. Ft.
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Total Sq. Ft.
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Year built
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Style
Single Family Residential
Region
Frontenac County
Parking Spaces
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Basement
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Accessible
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Maintenance Fees
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Garage
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Last updated by owner on Mar 28, 2024.
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