Located within the prestigious guard-gated community of Harbor Ridge and crafted by world-renowned builder Tony Valentine, 5 Ridgeline evokes the elegance of a grand European estate. Showcasing panoramic views of the Pacific Ocean, Catalina Island, Rancho Palos Verdes, and twinkling city lights, this residence offers an unmatched blend of timeless sophistication and modern luxury. Upon entering, you're welcomed by soaring two-story ceilings and a sweeping staircase leading to the expansive primary suite and four generously sized en-suite bedrooms. Designed for grand-scale entertaining, the home features multiple formal and informal living areas, a gentleman’s office, game room, a fully equipped gym with steam shower, and a 10+ car garage. The meticulously landscaped backyard is a private retreat, offering multiple seating areas, a large pool, and a palatial koi pond. Additional highlights include solar power, two laundry rooms, and an ideal location just moments from the 73 Toll Road, world-class shopping and dining at Fashion Island, and Orange County’s most prestigious beaches.