One-of-a-kind modern retreat in the heart of Olde La Costa, offering a rare opportunity to own a custom, non-tract home with no HOA, a detached ADU, and resort-style grounds on an expansive .26-acre private lot. Set within one of North County's most sought-after coastal communities-known for its eclectic architecture, larger lots, and character homes-this architecturally distinct residence blends design, flexibility, and lifestyle in a way that is increasingly hard to find. Thoughtfully curated upgrades create a clean, contemporary aesthetic, featuring a statement concrete fireplace, bamboo cabinetry, frosted glass accents, and granite flooring throughout the main living areas. The home's design is centered aroundDesigned to embrace the coveted Southern California indoor-outdoor lifestyle, the home is anchored by seamless flow to a private backyard retreat. The resort-inspired grounds offer an expansive elevated patio ideal for entertaining, relaxing, and enjoying the year-round coastal climate. Upstairs, the home features four bedrooms, including a spacious primary retreat with westerly-facing peek-a-boo ocean views. The layout also includes a dedicated downstairs office and multiple living areas-ideal for today's flexible lifestyle needs, including work-from-home living and multigenerational use. A standout feature is the approximately 500 sq ft detached ADU, complete with kitchenette, full bath, living area, and private bedroom-perfect for guests, rental income potential, or extended family living. Located just minutes from world-class beaches, golf, shopping, dining, and top-rated schools, this property captures the essence of coastal Carlsbad living while offering the space, privacy, and individuality today's buyers are actively seeking.