This exceptional Highland Beach estate presents a rare opportunity within the exclusive enclave of Boca Highland Beach Club, including access to the newly renovated, resident-only beach club. Located in Grand Cay Estates, 1 of 18 residences, and set on over 1/3 acre, the property offers nearly 6,000 sq ft under air, delivering privacy, scale, and a true coastal lifestyle. The entry opens to a light-filled great room with volume ceilings, new hardwood flooring throughout, with a thoughtfully designed layout that creates a natural flow between living spaces. The chef's kitchen is functional and refined, featuring Viking and Sub-Zero appliances, including a gas range, double ovens, quartz countertops, and a substantial island with seating, seamlessly connected to the family room. The primary suite is a sun-drenched retreat, featuring walk-in closets and a newly renovated spa-inspired bath with a free-standing soaking tub, expansive walk-in shower, dual vanities, and a dedicated makeup vanity. The main level also includes a grand office with custom millwork, a private theatre, and a well-appointed guest suite. Upstairs offers four additional bedrooms and a spacious loft. A Chicago brick motor court, three-car garage, and expansive grounds complete the setting, offering ample space for outdoor living and entertaining, complemented by a private pool recently resurfaced and a well-appointed cabana bath. New furnishings throughout. Residents of Boca Highland Beach Club enjoy 24-hour manned security and a newly renovated, resident-only beach club just across A1A. Located in the Town of Highland Beach, known for its limited commercial presence, private police department, and strong sense of privacy, the home offers a quiet, residential setting just minutes from Mizner Park and Atlantic Avenue.