2300 John Street Coastal Cape Cod Estate with ADU in Manhattan Beach Tree Section Set on an oversized corner lot in Manhattan Beach's sought-after Tree Section. This extensively remodeled Cape Cod residence combines timeless architecture with modern coastal living. Originally designed by architect Louie Tomaro and thoughtfully expanded, the home offers exceptional space and functionality in one of the South Bay's most desirable neighborhoods. A dramatic two-story foyer with a curved staircase and expansive windows welcomes natural light throughout the home. Wide-plank oak flooring adds warmth, while every bedroom includes an en suite bath for comfort and privacy. A main level bedroom suite with French doors opening to the front yard provides flexible accommodations for guests. The kitchen features a large island with Cambria countertops, custom cabinetry, an 8-burner range, beverage refrigerator, and a striking glass wine display that anchors the breakfast area. Nearby living spaces connect easily to the outdoor setting. Upstairs, the primary suite includes a two-sided fireplace, window seat, covered balcony with outdoor fireplace, and a bonus room ideal for a home office, fitness area, or lounge. The spa-inspired bath features skylights, a sauna, dual vanities, and a custom walk-in closet. A flexible ADU adds versatility with sliding glass walls opening to the garden, plus a full bath and kitchenette. It works well for guests, remote work, creative pursuits, wellness, or entertaining. Outdoor amenities include Jerusalem stone hardscape, custom lighting, a turfed lawn, fire pit, mature tree, and a Mont Alpi outdoor kitchen designed for year-round gatherings. Integrated smart home technology controls HVAC, lighting, audio, security, and water monitoring systems. Located near beaches, parks, shopping, dining, and award-winning schools, this Manhattan Beach home offers architectural character, modern upgrades, and a highly sought-after coastal lifestyle.