The advent of a new era in sustainable, innovative living has arrived with the introduction of 638 Lakeside Harbor in Boynton Beach. Designed from inception with eco-friendly and inventively efficient techniques in mind, this one-of-a-kind residence is a bastion of sustainability in one of South Florida's most beloved waterfront communities. Comprising 4 bedrooms and 4.5 bathrooms across 4,194 square feet, this home blends gleaming contemporary design with bleeding-edge eco-friendly features, all just steps away from the Intracoastal Waterway and Boynton Beach's Intracoastal and Oyer parks. Upon entry, the home's foyer leads into its open kitchen, dining, and living spaces, all of which enjoy abundant natural light and views of the home's stunning outdoor spaces. The custom kitchen isfitted with Dacor and Bosch appliances, and its sizable marble island overlooks a living room that features a statement fireplace and is ready-made for cozy evenings in. The ground level is completed by its fourth bedroom, which could easily double as a home office or den. The home's remarkable outdoor spaces stretch across two levels, with a decked exterior patio as well as a separate covered patio on the ground level, both of which overlook the pool and its shimmering waterfall. From the ground, an outdoor spiral staircase leads up to the home's extraordinary roof terrace, which has been prepped for solar panel installation and includes a premium summer kitchen. The terrace both overlooks the backyard and boasts breathtaking views of the Intracoastal Waterway, perfect for admiring passing boats on a sunny South Florida day. Best of all, residence in the community includes access to private community beach, as well as deeded water and dock access. Back inside and ascending via either the staircase or private elevator, the home's second floor includes its primary suite, which features a sleek primary bathroom with a freestanding tub, water closet and dual vanities, along with a vast walk-in closet and direct access to a spacious balcony. The second level also houses two additional bedrooms, each of which also has its own ensuite bathroom and walk-in closet, along with a sizable loft and laundry room. Additional features include double EV chargers in the dual-car garage, sound-proofing built into the home's walls, hypoallergenic building materials designed to be mold and pest resistant, and a highly efficient HVAC-ERV (energy recovery ventilation) system. The home is designed to be incredibly hurricane resilient, with a whole-home generator built-in and innovative construction techniques designed to withstand storms exceeding even the most severe on record. All told, estimates predict a 90% reduction in energy costs vs. comparable homes. Constructed in 2023 by Blue Oval Group with the goal of utilizing leading environmentally friendly techniques and materials, the residence is pending certification to be named the first Passive House in the state of Florida by iPHA, the highest recognized standard for sustainable living spaces. Designed for the conscious homeowner who seeks to elevate their lifestyle and reduce their carbon footprint, 638 Lakeside Harbor invites you to step into the forefront of responsible luxury living, where sustainability meets sophistication in an unparalleled modern sanctuary.