Welcome to an exceptional Modern Colonial estate in prestigious Muttontown. Six bedrooms, eight and a half baths, dramatic ceiling heights, and walls of glass create an immediate sense of scale and light. A grand two-story foyer opens to elegant formal living and dining rooms and a dramatic two-story family room built for entertaining. The gourmet kitchen is the heart of the home, with generous prep and gathering space, plus a separate spice kitchen for added convenience. A private first-floor suite with its own full bath. Two staircases and an elevator provide easy access throughout. Upstairs, discover spacious 4 ensuite bedrooms and a spectacular primary suite with dual closets, a spa-like bath, and direct access to an expansive terrace overlooking the grounds. The fully finished walkout lower level is bright and inviting with 10-foot ceilings, radiant heated tile floors, a full bath, spa area, egress windows, and large sliding doors that open to the backyard. Designed for year-round comfort with central air, radiant heat, whole-home automation, sound, and intelligent lighting control. Resort-style grounds feature an oversized heated pool with spa and automatic cover, a fully enclosed cabana, and a private basketball court. This is a rare offering that blends scale, luxury, and true modern convenience.