Set on a quiet cul-de-sac within the prestigious enclave of Long Lake Estates, 18338 Guardiann Circle offers a rare opportunity to own a fully renovated estate set on an acre of beautifully landscaped grounds. This exceptional residence blends refined design with privacy and tranquility, all in one of Boca Raton's most sought-after gated communities. The home features 5 bedrooms plus a dedicated gym and a versatile multipurpose room, 5.5 bathrooms, and a 3-car garage. Soaring ceilings and expansive windows throughout flood the interiors with natural light, highlighting the home's elegant finishes and seamless indoor-outdoor flow. Four of the five bedrooms are en suite, while the spacious primary suite serves as a true retreat, complete with large walk-in closets and spa-inspired ambiance. At the center of the home, the show-stopping chef's kitchen commands attention with an oversized island, top-of-the-line appliances, and effortless connectivity to the main living spacesperfect for both entertaining and everyday living. Step outside to a private resort-style oasis featuring a custom waterfall, pool and spa, outdoor shower, and a generous covered patio ideal for hosting or unwinding in total serenity. Expansive grassy areas and lush tropical landscaping enhance the sense of seclusion, with no road noise and unmatched privacy throughout the property. Additional highlights include impact windows and doors, a newer roof, and thoughtful renovations completed throughout. Known for its estate-sized lots and peaceful setting, Long Lake Estates offers a rare blend of luxury, space, and quiet, just minutes from Boca Raton's finest dining, shopping, and amenities.