605 AVENIDA DE MAYO Live the Siesta Key lifestyle at its best in this exceptional, elevated waterfront residence, positioned just one block from Siesta Village and only three blocks to Sunset Pier and world-famous white quartz sands and aqua waters of Siesta Beach. Whether you’re seeking a primary residence, vacation retreat or potential income-producing investment, this home offers the location, boating access and peace of mind today’s buyers value most. Custom-designed and built by the engineer-owner, this striking Key West–inspired, three-story home offers approximately 4, 210 square feet of air-conditioned living space, thoughtfully engineered for energy efficiency, durability and low maintenance. The main living level begins at approximately 19 feet above base flood elevation, a significant advantage that helps reduce flood risk and insurance costs. Built in compliance with FEMA and Florida building codes, the home earned Florida Power & Light’s Build Smart designation, verified to be 40% more energy-efficient than required by Florida energy standards. Designed for everyday living and entertaining, the expansive open-concept main level features soaring tray ceilings, glass block accents, porcelain tile with marble inlays and abundant natural light. The chef’s kitchen offers extensive custom cabinetry, abundant quartz countertop workspace, an oversized island and stainless-steel appliances, seamlessly flowing into an expansive formal dining room ideal for hosting family and friends. The home offers five bedrooms and five baths, including a spacious owner’s suite with vaulted ceilings, spa-style bath and an oversized bonus room opening to multiple balconies with tranquil water views. A large recreation room, workshop, and generous storage add flexibility for full-time living or guest accommodations. Additional features include impact windows, wind-rated low-maintenance exterior siding, zoned HVAC with UV filtration, central vacuum, oversized four-car garage, additional driveway parking and landscaped, maintenance-free grounds. Outdoor living is a highlight, featuring a saltwater pool with titanium heat pump and hydraulic cover, expansive paver deck, outdoor kitchen with a seven-foot stainless steel grill, wet bar, pergola, gazebo and ambient LED lighting, ideal for relaxed island entertaining. Boaters will appreciate the canal-front setting with a 7, 000-pound boat lift, providing easy access to Sarasota Bay and downtown by water. From morning experiences along the shoreline to breathtaking sunsets over the Gulf, every day on Siesta Key feels like a vacation. And when you're ready to explore beyond the island, downtown Sarasota is just a short drive away, offering world-class dining, arts and culture, including the Ringling Museum, Van Wezel Performing Arts Hall, St. Armands Circle and ever-popular Sarasota Farmers Market. Offering exceptional value as one of the lowest price-per-square-foot elevated waterfront homes on Siesta Key, this residence combines location, construction quality, efficiency and lifestyle, an outstanding opportunity to own in the heart of Siesta Key.