A Reimagined Coastal Estate in the Heart of the Prestigious Tree Section, this exceptional home sits on an oversized 6,745 sq ft corner lot, blending timeless Cape Cod architecture with modern coastal luxury. Originally designed in 1994 by noted architect Louie Tomaro, the home has been extensively remodeled, adding 920 sq ft, plus an additional 200 sq ft off the primary bedroom, a tranquil covered balcony with an outdoor fireplace. A dramatic two-story foyer with a curved staircase and expansive windows fills the home with natural light. Wide-plank oak floors run throughout, and each bedroom features its own en-suite bath for added comfort and privacy. The main level includes a private bedroom suite with French doors opening to the front yard-ideal for guests or multigenerational living. The chef's kitchen showcases a large island with Cambria countertops, an 8-burner range, a beverage fridge, custom cabinetry, and a striking glass wine wall anchoring the breakfast nook. Upstairs, the spacious primary suite includes a two-sided fireplace, a window seat, a balcony, and a sunny bonus room perfect for a gym, office, or relaxation. The spa-like bath features skylights, a sauna, dual vanities, and a custom walk-in closet. A new flexible ADU with sliding glass walls that open to the garden includes its own full bath and kitchenette, creating additional living and entertaining space that can meet the changing needs of any family. The backyard is a private retreat with Jerusalem stone hardscape, custom lighting, a mature tree, turfed lawn, firepit, and a Mont Alpi outdoor kitchen for year-round entertaining. Fully integrated smart home features include HVAC, lighting, sound, security, and water monitoring systems. Located in one of Manhattan Beach's most desirable neighborhoods, 2300 John Street offers refined coastal living at its best. A new flexible ADU with sliding glass walls that open to the garden, perfect for guests, a home office, gym, or entertaining space, with its own bath and kitchenette. The backyard is a private retreat with Jerusalem stone hardscape, custom lighting, a mature tree, turfed lawn, firepit, and a Mont Alpi outdoor kitchen for year-round entertaining. Fully integrated smart home features include HVAC, lighting, sound, security, and water monitoring systems. Located in one of Manhattan Beach's most desirable neighborhoods, 2300 John Street offers refined coastal living at its best.