Designed as the builder's personal residence, this extraordinary Bethesda estate presents a rare opportunity to own a private resort-like retreat on approximately 2.5 secluded acres. Offering approximately 15,000 square feet of finished living space across four levels, the residence combines exceptional scale, timeless craftsmanship, and unparalleled recreational amenities rarely found in the Washington metropolitan area. A long private driveway leads to two expansive motor courts, a four-car side-entry garage, and a setting that feels worlds away while remaining moments from downtown Bethesda, Potomac, and Washington, D.C. Convenient access through Avenel provides the benefits of the location without Avenel HOA fees. A dramatic two-story foyer introduces interiors designed for both grand entertaining and comfortable everyday living. Formal living and dining rooms, each anchored by a fireplace and framed by oversized picture windows, create elegant gathering spaces filled with natural light. At the heart of the home, the gourmet kitchen features professional-grade appointments, a breakfast room, butler's pantry, and walk-in pantry, all opening seamlessly to the spectacular two-story family room. Soaring ceilings, walls of windows, a floor-to-ceiling stone fireplace, and a wet bar create an impressive centerpiece for entertaining. The family room extends effortlessly to a covered indoor-outdoor terrace overlooking the estate's resort-caliber amenities, including a swimming pool, spa, fire pit terrace, and expansive private grounds. One of the home's most remarkable features is the luxurious main-level primary suite. Designed as a private sanctuary, it offers cathedral ceilings, a fireside sitting room, dual oversized walk-in closets, a private fitness room, and a beautifully renovated spa-inspired bath. A handsome study, sunroom, and two powder rooms complete the main level. The upper level offers four exceptional bedroom suites, including two secondary primary-style suites with spacious sitting areas and luxurious baths. Each bedroom enjoys a private en-suite bath and generous walk-in closet, providing comfort and privacy for family and guests alike. Designed for recreation, wellness, and multi-generational living, the walkout lower level delivers an extraordinary collection of amenities. Highlights include a spacious recreation lounge, full secondary kitchen, wet bar, media room, fitness area, guest suite, extensive storage, and a spa bath with steam shower. Glass doors open directly to the home's showstopping indoor-outdoor pool and spa, featuring a retractable roof that allows for year-round enjoyment regardless of season. Adding to the estate's exceptional lifestyle offerings is a full-size indoor basketball court; a truly rare luxury amenity that transforms the property into a private athletic retreat. Outdoors, a lighted tennis court, multiple terraces and patios, and beautifully landscaped grounds create endless opportunities for recreation, entertaining, and relaxation. Perfectly suited for multi-generational living, extended guests, or live-in staff, this remarkable estate delivers a level of privacy, scale, and resort-style living seldom available in Bethesda. Ideally located near premier dining, shopping, golf courses, and country clubs, and zoned for Carderock Springs Elementary School, Thomas W. Pyle Middle School, and Walt Whitman High School, this is a one-of-a-kind offering for the most discerning buyer.