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.