With a premium waterfront setting on Trinidad Island overlooking Huntington Harbour’s main channel, this extensively upgraded home redefines luxury living in Southern California. A covered entry porch and a gated driveway enrich the undeniable curb appeal of the residence and complement its elegant Tudor-style architecture, distinguished by whitewashed brick and prominent dormer windows. Leaded-glass windows and sidelites embellish the front door, creating a warm introduction to living areas that extend approximately 5,000 square feet. Discover four ensuite bedrooms, five baths, a dramatic two-story foyer with circular staircase, a fireplace-warmed formal living room with bay window and vaulted ceiling with beams, and a sophisticated formal dining room with bay window, contemporary chandelier, corner cabinets with glass display shelves, and a handsome tray ceiling. Watch sailboats glide by while relaxing in an large family room with corner fireplace and seamless access to a casual breakfast nook with bay window and backyard access. Anchored by an oversized island and enhanced with harbor views, the kitchen showcases a mix of black and white stone countertops, custom wood cabinetry, walk-in pantry, top-tier Thermador and Viking appliances, cabinet matched Sub-Zero refrigerator, prep sink and fixtures shining with unlacquered brass. One ensuite bedroom is currently featured as a home office on the first level, and two other ensuite secondary bedrooms are offered upstairs. Crowned by a third-level turret-style viewing room with wet bar, the opulent primary suite is sequestered beyond double doors and reveals a fireplace, sitting area, a large balcony with panoramic harbor, sunset and evening-light views, a walk-in closet with built-ins, and a freestanding soaking tub. For the ultimate in entertaining, this grand residence boasts a massive bonus room with wet bar, pool table and bathroom. Upgrades are led by hardwood flooring, designer lighting fixtures, custom millwork including crown molding and judges paneling, recessed LED lighting, and custom stone fireplace surrounds. The bayfront backyard offers ample space for enjoyment, and yacht enthusiasts are accommodated by two private boat slips that can house vessels up to 45’. Trinidad Island is home to a beachfront park, waterfront pathways and scenic paseos, enhancing the idyllic Huntington Harbour lifestyle.