*** MODERN MASTERPIECE WITH UNRIVALED OCEAN VIEWS *** Perched on a PRIVATE, STREET-TO-STREET LOT at the end of a QUIET CUL-DE-SAC, 900 GAINSBOROUGH DRIVE is a CONTEMPORARY ARCHITECTURAL TRIUMPH offering some of the most BREATHTAKING OCEAN AND CITY LIGHT VIEWS in all of LAGUNA BEACH. Encompassing approximately 4,100 SQUARE FEET across THREE LEVELS, this CUSTOM ESTATE spans TWO ADJACENT PARCELSpresenting a rare opportunity to add a POOL, SPA, OR GARDEN PAVILION overlooking the PACIFIC OCEAN. Reimagined in a COMPREHENSIVE 2015 REMODEL, the residence blends SOPHISTICATION AND MODERN ELEGANCE, featuring SOARING CEILINGS, WALLS OF GLASS, a SPIRAL STAIRCASE, SMART HOME AUTOMATION, ELEVATOR ACCESS, and SEAMLESS INDOOR-OUTDOOR LIVING that captures PANORAMIC COASTAL VISTAS from nearly every room. The MAIN LEVEL is anchored by a SHOWSTOPPING OCEAN-VIEW GREAT ROOM, opening to an EXPANSIVE TERRACE adorned with VINTAGE TILEan ENTERTAINERS DREAM. The CHEFS KITCHEN boasts SLEEK MIELE APPLIANCES, CUSTOM CABINETRY, a LARGE ISLAND WITH SEATING, and a WALK-IN PANTRY. Two EN-SUITE BEDROOMS, a FULL GUEST BATH, and a SPACIOUS LAUNDRY ROOM complete this level. The ENTIRE UPPER FLOOR is dedicated to the OWNERS RETREAT, a private sanctuary with SWEEPING OCEAN AND CATALINA ISLAND VIEWS. This LUXURY SUITE features a SPA-INSPIRED BATH with DUAL WALK-IN SHOWERS, a FREESTANDING TUB WITH FIREPLACE, PRIVATE SITTING AREA, and a VIEW BALCONY perfect for SUNSET UNWINDING. The LOWER LEVEL offers REMARKABLE FLEXIBILITY, with a SEPARATE LIVING AREA, FIREPLACE, KITCHENETTE, and PRIVATE PATIOideal for a GUEST SUIT